BR93G86FVT-3AGE2 [ROHM]
MicroWire BUS EEPROM (3-Wire);型号: | BR93G86FVT-3AGE2 |
厂家: | ROHM |
描述: | MicroWire BUS EEPROM (3-Wire) 可编程只读存储器 电动程控只读存储器 电可擦编程只读存储器 |
文件: | 总40页 (文件大小:3168K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Datasheet
Serial EEPROM series Standard EEPROM
MicroWire BUS EEPROM (3-Wire)
BR93G86-3A
●General Description
BR93G86-3A is serial EEPROM of serial 3-line Interface method.
They are 16bit organization and CS PIN is the first PIN in their PIN configuration.
●Features
■ 3-line communications of chip select, serial clock,
●Packages W(Typ.) x D(Typ.)x H(Max.)
serial data input / output (the case where input and
output are shared)
■ Operations available at high speed 3MHz clock
(4.5 V~5.5 V)
■ High speed write available (write time 5ms max.)
■ Same package and pin configuration from 1Kbit to
16Kbit
TSSOP-B8
3.00mm x 6.40mm x 1.20mm
DIP-T8
9.30mm x 6.50mm x 7.10mm
■ 1.7~5.5V single power source operation
■ Address auto increment function at read operation
■ Write mistake prevention function
» Write prohibition at power on
SOP8
» Write prohibition by command code
TSSOP-B8J
3.00mm x 4.90mm x 1.10mm
5.00mm x 6.20mm x 1.71mm
»
Write mistake prevention function at low voltage
■ Self-timed programming cycle
■ Program condition display by READY / BUSY
■ Compact package
SOP8/SOP-J8/SSOP-B8/TSSOP-B8/MSOP8/
TSSOP-B8J/DIP-T8/VSON008X2030
■ More than 40 years data retention
SOP- J8
4.90mm x 6.00mm x 1.65mm
MSOP8
2.90mm x 4.00mm x 0.90mm
■ More than 1 million write cycles
■ Initial delivery state all addresses FFFFh
VSON008X2030
2.00mm x 3.00mm x 0.60mm
SSOP-B8
3.00mm x 6.40mm x 1.35mm
●BR93G86-3A
Capacity Bit Format
*1 DIP-T8 is not halogen free package
Power Source
Voltage
Type
Package
DIP-T8
BR93G86-3A
BR93G86F-3A
BR93G86FJ-3A
BR93G86FV-3A
BR93G86FVT-3A
BR93G86FVJ-3A
BR93G86FVM-3A
BR93G86NUX-3A
SOP8
SOP-J8
SSOP-B8
TSSOP-B8
TSSOP-B8J
MSOP8
16Kbit
1024×16
1.7V to 5.5V
VSON008X2030
○Product structure:Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays
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BR93G86-3A
●Absolute Maximum Ratings
Parameter
Symbol
Ratings
Unit
V
Remarks
Supply voltage
VCC
-0.3 to +6.5
0.80 (DIP-T8)
When using at Ta=25℃ or higher 8.0mW to be reduced per 1℃.
When using at Ta=25℃ or higher 4.5mW to be reduced per 1℃.
When using at Ta=25℃ or higher 4.5mW to be reduced per 1℃.
When using at Ta=25℃ or higher 3.0mW to be reduced per 1℃.
When using at Ta=25℃ or higher 3.3mW to be reduced per 1℃.
When using at Ta=25℃ or higher 3.1mW to be reduced per 1℃.
When using at Ta=25℃ or higher 3.1mW to be reduced per 1℃.
When using at Ta=25℃ or higher 3.0mW to be reduced per 1℃.
0.45 (SOP8)
0.45 (SOP-J8)
0.30 (SSOP-B8)
0.33 (TSSOP-B8)
0.31 (TSSOP-B8J)
0.31 (MSOP8)
Permissible
dissipation
Pd
W
0.30 (VSON008X2030)
Storage
Tstg
Topr
-65 to +150
-40 to +85
℃
℃
temperature
Operating
temperature
The Max value of Input voltage/Output voltage is not over 6.5V.
When the pulse width is 50ns or less, the Min value of Input
voltage/Output voltage is not under -0.8V.
Input voltage/
Output voltage
‐
-0.3 to Vcc+1.0
150
V
Junction
temperature
Tjmax
℃
Junction temperature at the storage condition
●Memory cell characteristics (VCC=1.7~5.5V)
Limit
Parameter
Unit
Condition
Min.
1,000,000
40
Typ.
Max.
Write cycles *1
-
-
-
-
Times
Years
Ta=25℃
Ta=25℃
Data retention *1
○Shipment data all address FFFFh
*1 Not 100% TESTED
●Recommended Operation Ratings
Parameter
Symbol
VCC
VIN
Limits
1.7~5.5
0~VCC
Unit
V
Supply voltage
Input voltage
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BR93G86-3A
●DC characteristics (Unless otherwise specified, VCC=1.7~5.5V, Ta=-40~+85℃)
Limits
Parameter
Symbol
Unit
Condition
Min.
Typ.
Max.
Input low voltage
VIL
VIH
-0.3*1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.3VCC
VCC+1.0
0.4
V
V
1.7V≦VCC≦5.5V
Input high voltage
0.7VCC
1.7V≦VCC≦5.5V
Output low voltage 1
Output low voltage 2
Output high voltage 1
Output high voltage 2
Input leakage current1
Output leakage current
VOL1
VOL2
VOH1
VOH2
ILI1
0
V
IOL=2.1mA, 2.7V≦VCC≦5.5V
IOL=100μA
0
0.2
V
2.4
VCC
VCC
+1
V
IOH=-0.4mA, 2.7V≦VCC≦5.5V
IOH=-100μA
VCC-0.2
V
-1
-1
-
µA
µA
mA
mA
mA
mA
mA
mA
µA
VIN=0V~VCC(CS,SK,DI)
VOUT=0V~VCC, CS=0V
VCC=1.7V, fSK=1MHz, tE/W=5ms (WRITE)
VCC=5.5V ,fSK=3MHz, tE/W=5ms (WRITE)
fSK=1MHz (READ)
ILO
+1
1.0
ICC1
ICC2
-
2.0
-
0.5
Supply current
Standby current
-
1.0
fSK=3MHz (READ)
VCC=2.5V, fSK=1MHz
tE/W=5ms (WRAL, ERAL)
-
2.0
ICC3
ISB1
VCC=5.5V ,fSK=3MHz
tE/W=5ms (WRAL, ERAL)
-
3.0
-
2.0
CS=0V
*1 When the pulse width is 50ns or less, the Min value of VIL is admissible to -0.8V.
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BR93G86-3A
●AC characteristics (Unless otherwise specified, VCC=1.7~2.5V, Ta=-40~+85℃)
Limits
Parameter
Symbol
Unit
Min.
Typ.
Max.
SK frequency
SK high time
SK low time
CS low time
CS setup time
DI setup time
CS hold time
DI hold time
fSK
tSKH
tSKL
tCS
-
250
250
250
200
100
0
-
-
-
-
-
-
-
-
-
-
-
-
-
1
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
-
-
-
-
tCSS
tDIS
tCSH
tDIH
tPD1
tPD0
tSV
-
-
100
-
-
Data “1” output delay
400
400
400
200
5
Data “0” output delay
-
Time from CS to output establishment
Time from CS to High-Z
Write cycle time
-
tDF
-
tE/W
-
(Unless otherwise specified, VCC=2.5~4.5V, Ta=-40~+85℃)
Limits
Parameter
Symbol
Unit
Min.
Typ.
Max.
SK frequency
SK high time
SK low time
CS low time
CS setup time
DI setup time
CS hold time
DI hold time
fSK
tSKH
tSKL
tCS
-
230
200
200
50
100
0
-
-
-
-
-
-
-
2
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
-
-
-
-
tCSS
tDIS
tCSH
tDIH
tPD1
tPD0
tSV
-
-
100
-
-
Data “1” output delay
-
-
-
-
-
200
200
150
100
5
Data “0” output delay
-
Time from CS to output establishment
Time from CS to High-Z
Write cycle time
-
tDF
-
tE/W
-
(Unless otherwise specified, VCC=4.5~5.5V, Ta=-40~+85℃)
Limits
Parameter
Symbol
Unit
Min.
-
Typ.
Max.
SK frequency
SK high time
SK low time
CS low time
CS setup time
DI setup time
CS hold time
DI hold time
fSK
tSKH
tSKL
tCS
-
-
-
-
-
-
-
-
-
-
-
-
-
3
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
100
100
200
50
50
0
-
-
-
-
tCSS
tDIS
tCSH
tDIH
tPD1
tPD0
tSV
-
-
50
-
-
Data “1” output delay
200
200
150
100
5
Data “0” output delay
-
Time from CS to output establishment
Time from CS to High-Z
Write cycle time
-
tDF
-
tE/W
-
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BR93G86-3A
●Serial input / output timing
1/ fSK
CS
SK
tSKH
tCSS
tSKL
tCSH
tDIS
tD IH
DI
tPD1
tPD0
DO(READ)
t DF
tSV
STATUS VALID
DO(WRITE)
Figure 1. Sync data input / output timing
○Data is taken by DI sync with the rise of SK.
○At read operation, data is output from DO in sync with the rise of SK.
○The STATUS signal at write (READY / BUSY) is output after tCS from the fall of CS after write command input, at the area
DO where CS is high, and valid until the next command start bit is input. And, while CS is low, DO becomes High-Z.
○After completion of each mode execution, set CS low once for internal circuit reset, and execute the following operation
mode.
○1/fSK is the SK clock cycle, even if fSK is maximum, the SK clock cycle can’t be tSKH(Min.)+tSKL(Min.)
○For “Write cycle time tE/W”, please see Figure 36,37,39,40.
○For “CS low time tCS”, please see Figure 36,37,39,40.
●Block diagram
Power source voltage detection
CS
SK
Command decode
Control
Clock generation
Write
prohibition
High voltage occurrence
Address
Address
Command
register
DI
10bit
16bit
10bit
decoder
buffer
16,384 bit
EEPROM
Data
R/W
16bit
register
amplifier
DO
Dummy bit
Figure 2. Block diagram
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BR93G86-3A
●Pin Configuration
VCC
DU
NC
GND
BR93G86-3A
:DIP-T8
:SOP8
:SOP-J8
:SSOP-B8
:TSSOP-B8
:TSSOP-B8J
BR93G86F-3A
BR93G86FJ-3A
BR93G86FV-3A
BR93G86FVT-3A
BR93G86FVJ-3A
BR93G86FVM-3A :MSOP8
BR93G86NUX-3A :VSON008X2030
CS
SK
DI
DO
Figure 3. Pin Configuration
●Pin Descriptions
Pin name
CS
I / O
Function
Input
Chip select input
Serial clock input
SK
Input
DI
Input
Start bit, ope code, address, and serial data input
―――――
DO
Output
Serial data output, READY / BUSY STATUS display output
GND
NC
-
-
-
-
All input / output reference voltage, 0V
Non connected terminal*1
Don’t use terminal*1
DU
VCC
Supply voltage
*1 Terminals not used may be set to any of high,low, and OPEN
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BR93G86-3A
●Typical Performance Curves
6
6
5
4
3
2
1
0
Ta=-40℃
Ta= 25℃
5
Ta=-40℃
Ta= 25℃
Ta= 85℃
Ta= 85℃
4
3
SPEC
2
SPEC
1
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLYVOLTAGE: VCC(V)
SUPPLYVOLTAGE: VCC(V)
Figure 5. Input low voltage VIL(CS,SK,DI)
Figure 4. Input high voltage VIH(CS,SK,DI)
1
0.8
0.6
0.4
0.2
0
1
0.8
0.6
0.4
0.2
0
Ta=-40℃
Ta= 25℃
Ta= 85℃
Ta=-40℃
Ta= 25℃
Ta= 85℃
SPEC
SPEC
0
1
2
3
4
5
0
1
2
3
4
5
OUTPUT LOW CURRENT : IOL(mA)
OUTPUT LOW CURRENT:IOL(mA)
Figure 6. Output low voltage1 VOL1(VCC=2.7V)
Figure 7. Output low voltage2 VOL2(VCC=1.7V)
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BR93G86-3A
●Typical Performance Curves‐Continued
5
4
3
2
1
0
Ta=-40℃
Ta= 25℃
Ta=-40℃
Ta= 25℃
Ta= 85℃
4
Ta= 85℃
3
SPEC
2
SPEC
1
0
0
0.4
0.8
1.2
1.6
0
0.4
0.8
1.2
1.6
OUTPUT HIGH CURRENT: IOH(mA)
OUTPUT HIGH CURRENT: IOH(mA)
Figure 9. Output high voltage2 VOH2(VCC=1.7V)
Figure 8. Output high voltage1 VOH1(VCC=2.7V)
1.2
1
1.2
1
SPEC
SPEC
0.8
0.6
0.4
0.2
0
Ta=-40℃
Ta= 25℃
Ta= 85℃
0.8
0.6
0.4
0.2
0
Ta=-40℃
Ta= 25℃
Ta= 85℃
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLYVOLTAGE: VCC(V)
SUPPLYVOLTAGE: VCC(V)
Figure 11. Input leakage current1 ILI1(SK)
Figure 10. Input leakage current1 ILI1 (CS)
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BR93G86-3A
●Typical Performance Curves‐Continued
1.2
1.2
1
SPEC
SPEC
1
0.8
0.8
0.6
0.4
0.2
0
Ta=-40℃
Ta= 25℃
Ta=-40℃
Ta= 25℃
Ta= 85℃
Ta= 85℃
0.6
0.4
0.2
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLYVOLTAGE: VCC(V)
SUPPLYVOLTAGE: VCC(V)
Figure 13. Output leakage current ILO(DO)
Figure 12. Input leakage current1 ILI1(DI)
2.5
2
5
4
3
2
1
0
Ta=-40℃
Ta= 25℃
Ta= 85℃
Ta=-40℃
Ta= 25℃
Ta= 85℃
1.5
1
SPEC
SPEC
0.5
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLYVOLTAGE: VCC(V)
SUPPLYVOLTAGE: VCC(V)
Figure 15. Supply current (WRITE)
ICC1(WRITE,fSK=3MHz)
Figure 14. Supply current (WRITE)
ICC1(WRITE, fSK=1MHz)
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BR93G86-3A
●Typical Performance Curves‐Continued
2.5
2.5
2
Ta=-40℃
Ta= 25℃
Ta= 85℃
2
1.5
1
Ta=-40℃
Ta= 25℃
Ta= 85℃
1.5
1
SPEC
SPEC
0.5
0
0.5
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLYVOLTAGE: VCC(V)
SUPPLYVOLTAGE: VCC(V)
Figure 16 Supply current (READ)
ICC2(READ,fSK=1MHz).
Figure 17. Supply current (READ)
ICC2(READ,fSK=3MHz)
5
4
3
2
1
0
2.5
2
Ta=-40℃
SPEC
Ta= 25℃
Ta= 85℃
SPEC
Ta=-40℃
1.5
1
Ta= 25℃
Ta= 85℃
0.5
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLYVOLTAGE: VCC(V)
SUPPLYVOLTAGE: VCC(V)
Figure 19. Supply current (WRAL)
ICC3(WRAL,fSK=3MHz)
Figure 18. Supply current (WRAL)
ICC3(WRAL,fSK=1MHz)
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BR93G86-3A
●Typical Performance Curves‐Continued
2.5
1000
100
10
Ta=-40℃
Ta= 25℃
Ta= 85℃
SPEC
2
Ta=-40℃
Ta= 25℃
Ta= 85℃
1.5
1
SPEC
SPEC
SPEC
1
0.1
0.01
0.5
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLYVOLTAGE: VCC(V)
SUPPLYVOLTAGE: VCC(V)
Figure 20. Standby current
ISB1(CS=0V)
Figure 21. SK frequency fSK
500
500
400
300
200
100
0
Ta=-40℃
400
300
200
100
0
Ta=-40℃
Ta= 25℃
Ta= 85℃
Ta= 25℃
Ta= 85℃
SPEC
SPEC
SPEC
SPEC
SPEC
SPEC
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLYVOLTAGE: VCC(V)
SUPPLYVOLTAGE: VCC(V)
Figure 22. SK high time tSKH
Figure 23. SK low time tSKL
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BR93G86-3A
●Typical Performance Curves‐Continued
50
0
500
SPEC
Ta=-40℃
Ta= 25℃
Ta= 85℃
400
300
200
100
0
-50
Ta=-40℃
Ta= 25℃
Ta= 85℃
-100
-150
-200
-250
-300
SPEC
SPEC
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLYVOLTAGE: VCC(V)
SUPPLYVOLTAGE: VCC(V)
Figure 24. CS low time tCS
Figure 25. CS hold time tCSH
150
100
50
300
250
200
150
100
50
SPEC
SPEC
Ta=-40℃
Ta= 25℃
Ta= 85℃
SPEC
Ta=-40℃
Ta= 25℃
Ta= 85℃
0
SPEC
-50
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLYVOLTAGE: VCC(V)
SUPPLYVOLTAGE: VCC(V)
Figure 27. DI setup time tDIS
Figure 26. CS setup time tCSS
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BR93G86-3A
●Typical Performance Curves‐Continued
150
1000
800
600
400
200
0
Ta=-40℃
Ta= 25℃
Ta= 85℃
SPEC
100
Ta=-40℃
Ta= 25℃
Ta= 85℃
SPEC
50
0
SPEC
SPEC
-50
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLYVOLTAGE: VCC(V)
SUPPLYVOLTAGE: VCC(V)
Figure 29. Data "0" output delay tPD0
Figure 28. DI hold time tDIH
1000
800
600
400
200
0
500
400
300
200
100
0
Ta=-40℃
SPEC
Ta= 25℃
Ta= 85℃
Ta=-40℃
Ta= 25℃
Ta= 85℃
SPEC
SPEC
SPEC
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLYVOLTAGE: VCC(V)
SUPPLYVOLTAGE: VCC(V)
Figure 31. Time from CS to output establishment tSV
Figure 30. Data "1" output delay tPD1
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BR93G86-3A
●Typical Performance Curves‐Continued
250
6
5
4
3
2
1
0
SPEC
SPEC
200
Ta=-40℃
Ta= 25℃
Ta= 85℃
150
100
50
SPEC
Ta=-40℃
Ta= 25℃
Ta= 85℃
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLYVOLTAGE: VCC(V)
SUPPLYVOLTAGE: VCC(V)
Figure 33. Write cycle time tE/W
Figure 32. Time from CS to High-Z tDF
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●Description of operations
Communications of the MicroWire BUS are carried out by SK (serial clock), DI (serial data input),DO (serial data output) ,and
CS (chip select) for device selection.
When to connect one EEPROM to a microcontroller, connect it as shown in Figure 34(a) or Figure 34(b). When to use the
input and output common I/O port of the microcontroller, connect DI and DO via a resistor as shown in Figure 34(b) (Refer to
pages 21, 22.), and connection by 3 lines is available.
In the case of plural connections, refer to Figure 34 (c).
Micro-
controller
Micro-
controller
BR93GXX
BR93GXX
Micro-
controller
CS
CS3
CS2
CS1
SK
CS
SK
DO
DI
CS
SK
DI
CS
SK
DI
DO
DI
SK
DI/O
DO
DO
Device 1
Device 2
Device 3
(a). Connection by 4 lines
(b). Connection by 3 lines
Figure 34. Connection method with microcontroller
(c). Connection example of plural devices
Communications of the MicroWire BUS are started by the first “1” input after the rise of CS. This input is called a start bit.
After input of the start bit, input ope code, address and data. Address and data are input all in MSB first manners.
“0” input after the rise of CS to the start bit input is all ignored. Therefore, when there is limitation in the bit width of PIO of the
microcontroller, input “0” before the start bit input, to control the bit width.
●Command mode
Address
Start
bit
Ope
code
Data
Command
Required clocks(n)
BR93G86-3
MSB of Address(Am) is A9
MSB of Data(Dx) is D15
Read (READ) *1
1
10
A9,A8,A7,A6,A5,A4,A3,A2,A1,A0
D15~D0(READ DATA)
BR93G86-3:n=29
BR93G86-3:n=13
Write enable (WEN)
Write disable (WDS)
Write (WRITE) *2
Write all (WRAL) *2
Erase (ERASE)
1
1
1
1
1
1
00
00
01
00
11
00
1
0
1
0
* * * * * * * *
* * * * * * * *
A9,A8,A7,A6,A5,A4,A3,A2,A1,A0
* * * * * * * *
A9,A8,A7,A6,A5,A4,A3,A2,A1,A0
* * * * * * * *
D15~D0(WRITE DATA)
D15~D0(WRITE DATA)
BR93G86-3:n=29
BR93G86-3:n=13
0
1
Erase all (ERAL)
1
0
・ Input the address and the data in MSB first manners.
・ As for *, input either “1” or “0” .
*Start bit
Acceptance of all the commands of this IC starts at recognition of the start bit.
The start bit means the first “1” input after the rise of CS.
*1 As for read, by continuous SK clock input after setting the read command, data output of the set address starts, and address data in significant order are
sequentially output continuously. (Auto increment function)
*2 For write or write all commands, an internal erase or erase all is included and no separate erase or erase all is needed before write or write all command.
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●Timing chart
1) Read cycle (READ)
~~
~~
~~
~~
~~
~~
CS
*1
n+1
*2
SK
DI
n
1
2
4
Am: MSB of address
Dx: MSB of data
n: required clocks
*2
Am
~~
~~
~~
A1
A0
1
1
0
~~
~~
~~
~~
D0
0
Dx Dx-1
D1
Dx Dx-1
DO
High-Z
*1 Start bit
When data “1” is input for the first time after the rise of CS, this is recognized as a start bit. And when “1” is input after plural “0” are input, it is
recognized as a start bit, and the following operation is started. This is common to all the commands to described hereafter.
*2 For the meaning of Am,Dx,n,please see tables of command mode in Page15. For example, Am=A9,Dx=D15,n=29.
Figure 35. Read cycle
○When the read command is recognized, input address data (16bit) is output to serial. And at that moment, at taking A0,
in sync with the rise of SK, “0” (dummy bit) is output. And, the following data is output in sync
with the rise of SK.
This IC has an address auto increment function which is valid only at read command. This is the function where after the
above read execution, by continuously inputting SK clock, the above address data is read sequentially. And, during the
auto increment, keep CS at high.
2) Write cycle (WRITE)
~~
~~
~~
~~
~~
STATUS
tCS
CS
SK
DI
~~
~~
Am: MSB of address
Dx: MSB of data
n: required clocks
n
1
2
4
~~
~~
~~
~~
Dx Dx-1
D1
A1
A0
D0
Am
1
0
1
~~
tSV
READY
DO
BUSY
~~
High-Z
tE/W
For the meaning of Am,Dx,n, please see tables of command mode in Page15.
Figure 36. Write cycle
○In this command, input 16bit data are written to designated addresses (Am~A0). The actual write starts by the fall of CS
of D0 taken SK clock.
When STATUS is not detected (CS=low fixed),make sure Max 5ms time is in comforming with tE/W
.
When STATUS is detected (CS=high), all commands are not accepted for areas where low (BUSY) is output from DO,
therefore, do not input any command.
3) Write all cycyle (WRAL)
~~
~~
~~
~~
STATUS
tCS
CS
SK
DI
~~
~~
~~
~~
n
1
2
0
5
Dx: MSB of data
n: required clocks
~~
~~
~~
Dx Dx-1
D1
D0
1
0
0
1
~~
~~
~~
tSV
READY
DO
BUSY
~~
High-Z
tE/W
For the meaning of Dx,n,please see tables of command mode in Page15.
Figure 37. Write all cycle
○In this command, input 16bit data is written simultaneously to all adresses. Data is not written continuously per one word
but is written in bulk, the write time is only Max. 5ms in conformity with tE/W
In WRAL, STATUS can be detected in the same manner as in WRITE command.
.
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4) Write enable (WEN) / disable (WDS) cycle
~~
~~
CS
SK
1
2
0
3
4
5
6
7
8
n
n: required clocks
ENABLE=1
DISABLE=0
1
0
~~
~~
DI
1
0
DO
High-Z
For the meaning of n,please see tables of command mode in Page15.
Figure 38. Write enable (WEN) / disable (WDS) cycle
○At power on, this IC is in write disable status by the internal RESET circuit. Before executing the write command, it is
necessary to execute the write enable command. And, once this command is executed, it is valid unitl the write disable
command is executed or the power is turned off. However, the read command is valid irrespective of write enable /
diable command. Input to SK after 6 clocks of this command is available by either “1” or “0”, but be sure to input it.
○When the write enable command is executed after power on, write enable status gets in. When the write disable
command is executed then, the IC gets in write disable status as same as at power on, and then the write command is
canceled thereafter in software manner. However, the read command is executable. In write enable status, even when
the write command is input by mistake, write is started. To prevent such a mistake, it is recommended to execute the
write disable command after completion of write.
5) Erase cycle (ERASE)
~~
~~
tCS
CS
SK
DI
STATUS
~~
~~
~~
~~
~~
~~
n
1
2
4
Am: MSB of address
n: required clocks
~~
A1
A3
A2
A0
Am
1
1
1
~~
~~
~~
~~
~~
tSV
READY
DO
BUSY
High-Z
~~
tE/W
For the meaning of Am,n,please see tables of command mode in Page15.
Figure 39. Erase cycle
○In this command, data of the designated address is made into “1”. The data of the designated address
becomes “FFFFh”.
Actual ERASE starts at the fall of CS after the fall of A0 taken SK clock.
In ERASE, STATUS can be detected in the same manner as in WRITE command.
6) Erase all cycle (ERAL)
~~
~~
~~
STATUS
tCS
CS
SK
DI
~~
~~
~~
~~
n
1
2
4
n: required clocks
~~
0
1
0
0
1
~~
~~
~~
tSV
READY
DO
BUSY
~~
High-Z
tE/W
For the meaning of n,please see tables of command mode in Page15.
Figure 40. Erase all cycle
○In this command, data of all addresses is made into “1”. Data of all addresses becomes ”FFFFh”.
Actual ERASE starts at the fall of CS after the falll of the n-th clock from the start bit input.
In ERAL, STATUS can be detected in the same manner as in WRAL command.
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●Application
1)Method to cancel each command
○READ
Address*1
Data*1
*1 For the meaning of m,x, please see tables of command mode in Page15
Start bit
Ope code
1bit
2bit
m+1bit
x+1bit
Cancel is available in all areas in read mode.
・Method to cancel:cancel by CS=low
Figure 41. READ cancel available timing
○WRITE,WRAL
Clock rise of D0 taken
n-1
n
n+1
n+2
SK
DI
D0
A1
a
D1
c
b
Enlarged figure
*1
Start bit
Ope code
Address
Data
x+1bit
tE/W
*1 For the meaning of m,n,x,
please see tables of command mode in Page15
1bit
2bit
m+1bit
a
c
b
a:From start bit to the clock rise of D0 taken
Cancel by CS=low
b:The clock rise of D0 taken and after
Cancellation is not available by any means.
Note 1) If VCC is made OFF in this area, designated address data is not
guaranteed, therefore write once again is suggested.
c:n+1 clock rise and after
Cancel by CS=low
However, when write is started in b area (CS is ended), cancellation is not
available by any means.
And when SK clock is output continuously cancel function is not available.
Note 2) If CS is started at the same timing as that of the SK rise,
write execution/cancel becomes unstable, therefore, it is
recommended to fall in SK=low area.
As for SK rise, recommend timing of tCSS/tCSH or higher.
Figure 42. WRITE, WRAL cancel available timing
○ERASE, ERAL
Clock rise of A0 taken
n-1
n
n+2
n+1
SK
DI
A1
a
A0
b
c
Enlarged figure
*1
Start bit
Ope code
Address
tE/W
*1 For the meaning of m,n,please see tables of command mode in Page15
1bit
2bit
m+1bit
b
a
c
a:From start bit to clock rise of A0 taken
Cancel by CS=low
b:Clock rise of A0 taken
Note 1) If VCC is made OFF in this area, designated address data is not
guaranteed, therefore write once again is suggested.
Cancellation is not available by any means.
c:n+1 clock rise and after
Note 2) If CS is started at the same timing as that of the SK rise,
write execution/cancel becomes unstable, therefore, it is
recommended to fall in SK=low area.
Cancel by CS=low
However, when write is started in b area (CS is ended), cancellation is not
available by any means.
And when SK clock is output continuously cancel function is not available.
As for SK rise, recommend timing of tCSS/tCSH or higher.
Figure 43. ERASE, ERAL cancel available timing
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2) At standby
When CS is low , even if SK,DI,DO are low, high or with middle electric potential, current does not over ISB1 Max.
3) I/O peripheral circuit
3-1) Pull down CS.
By making CS=low at power ON/OFF, mistake in operation and mistake write are prevented.
○Pull down resistance Rcs of CS pin
To prevent mistake in operation and mistake write at power ON/OFF, CS pull down resistance is necessary. Select an
appropriate value to this resistance value from microcontroller VOH, IOH, and VIL characteristics of this IC.
VOHM
Rcs ≧
VOHM VIHE
・・・①
・・・②
IOHM
≧
Microcontroller
VOHM
EEPROM
VIHE
Example) When VCC =5V, VIHE=2V, VOHM=2.4V, IOHM=2mA,
from the equation ①,
2.4
Rcs ≧
2×10-3
high output
low input
IOHM
Rcs
∴
Rcs ≧ 1.2 [kΩ]
With the value of Rpd to satisfy the above equation, VOHM becomes
2.4V or higher, and VIHE (=2.0V), the equation ② is also satisfied.
Figure 44. CS pull down resistance
・VIHE
: EEPROM VIH specifications
・VOHM : Microcontroller VOH specifications
・IOHM : Microcontroller IOH specifications
3-2) DO is available in both pull up and pull down.
Do output always is High-Z except in READY / BUSY STATUS and data output in read command.
Malfunction may occur when High-Z is input to the microcontroller port connected to DO, it is necessary to pull down
and pull up DO. When there is no influence upon the microcontroller operations, DO may be OPEN.
If DO is OPEN, and at timing to output STATUS READY, at timing of CS=high, SK=high, DI=high, EEPROM
recognizes this as a start bit, resets READY output, and DO=High-Z, therefore, READY signal cannot be detected. To
avoid such output, pull up DO pin for improvement.
CS
SK
DI
CS
SK
DI
high
Enlarged
D0
High-Z
CS=SK=DI=high
When DO=OPEN
High-Z
READY
DO
DO
DO
BUSY
BUSY
BUSY
Improvement by DO pull up
CS=SK=DI=high
When DO=pull up
READY
Figure 45. READY output timing at DO=OPEN
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○Pull up resistance Rpu and pull down resistance Rpd of DO pin
As for pull up and pull down resistance value, select an appropriate value to this resistance value from microcontroller
VIH, VIL, and VOH, IOH, VOL, IOL characteristics of this IC.
VCC-VOLE
Rpu ≧
・・・③
・・・④
IOLE
VILM
Microcontroller
VILM
EEPROM
VOLE
≦
Rpu
IOLE
VOLE
Example) When VCC =5V, VOLE=0.4V, IOLE=2.1mA, VILM=0.8V,
from the equation ③,
low input
5-0.4
Rpu ≧
2.1×10-3
low output
∴
Rpu ≧ 2.2 [kΩ]
With the value of Rpu to satisfy the above equation, VOLE becomes
0.4V or below, and with VILM(=0.8V), the equation ④ is also satisfied.
Figure 46. DO pull up resistance
・VOLE
・IOLE
・VILM
: EEPROM VOL specifications
: EEPROM IOL specifications
: Microcontroller VIL specifications
EEPROM
Microcontroller
VOHE
Rpd ≧
・・・⑤
・・・⑥
IOHE
VIHM
VIHM
VOHE
≧
VOHE
Example) When VCC =5V, VOHE=VCC-0.2V, IOHE=0.1mA,
VIHM=VCC×0.7V from the equation ⑤,
IOHE
high input
high output
Rpd
5-0.2
Rpd ≧
0.1×10-3
∴
Rpd ≧ 48 [kΩ]
Figure 47. DO pull down resistance
With the value of Rpd to satisfy the above equation, VOHE becomes 2.4V
or below, and with VIHM (=3.5V), the equation ⑥ is also satisfied.
・VOHE
・IOHE
・VIHM
: EEPROM VOH specifications
: EEPROM IOH specifications
: Microcontroller VIH specifications
○READY / BUSY STATUS display (DO terminal)
This display outputs the internal STATUS signal. When CS is started after tCS
from CS fall after write command input, high or low is output.
R/B display=low (BUSY) = write under execution
(DO STATUS)
After the timer circuit in the IC works and creates the period of tE/W, this timer circuit completes automatically.
And the memory cell is written in the period of tE/W, and during this period, other command is not accepted.
R/B display = high (READY) = command wait STATUS
(DO STATUS)
After tE/W (max.5ms) the following command is accepted.
Therefore, CS=high in the period of tE/W, and If signals are input in SK, DI, malfunction may occur,
therefore, DI=low in the area
CS=high. (Especially, in the case of shared input port, attention is required.)
*Do not input any command while STATUS signal is output. Command input in BUSY area is cancelled, but command input in READY area is accepted.
Therefore, STATUS READY output is cancelled, and malfunction and mistake write may occur.
CS
STATUS
SK
CLOCK
DI
WRITE
INSTRUCTION
DO
High-Z
tSV
READY
BUSY
tE/W
Figure 48. READY/BUSY STATUS output timing chart
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4) When to directly connect DI and DO
This IC has independent input terminal DI and output terminal DO, and separate signals are handled on timing chart,
meanwhile, by inserting a resistance R between these DI and DO terminals, it is possible to carry out control by 1 control line.
Microcontroller
EEPROM
DI/O PORT
R
DI
DO
Figure 49. DI, DO control line common connection
○Data collision of microcontroller DI/O output and DO output and feedback of DO output to DI input of EEPROM.
Drive from the microcontroller DI/O output to DI input of EEPROM on I/O timing, and output signal from DO output of
EEPROM occur at the same time in the following points.
4-1) 1 clock cycle to take in A0 address data at read command
Dummy bit “0” is output to DO terminal.
→When address data A0 = “1” input, through current route occurs.
EEPROM CS input
high
*1 X=15,for the meaning of x ,
please see tables of command mode in Page15.
EEPROM SK input
EEPROM DI input
A1
A0
Collision of DI input and DO output
*1
EEPROM DO output
Microcontroller DI/O port
0
Dx Dx-1 Dx-2
High-Z
A1 A0
High-Z
Microcontroller output
Microcontroller input
Figure 50. Collision timing at read data output at DI, DO direct connection
4-2) Timing of CS = high after write command. DO terminal in READY / BUSY function output.
When the next start bit input is recognized, High-Z gets in.
→Especially, at command input after write, when CS input is started with microcontroller DI/O output low,
READY output high is output from DO terminal, and through current route occurs.
Feedback input at timing of these (4-1) and (4-2) does not cause disorder in basic operations, if resistance R is inserted.
~~
EEPROM CS input
Write command
~~
~~
EEPROM SK input
EEPROM DI input
Write command
Write command
Write command
~~
~~
~~
~~
High-Z
READY
READY
READY
BUSY
~~
EEPROM DO output
Microcontroller DI/O port
Collision of DI input and DO output
BUSY
Write command
~~
~~
Microcontroller output
Microcontroller input
Microcontroller output
Figure 51. Collision timing at DI, DO direct connection
Note) As for the case (4-2), attention must be paid to the following.
When STATUS READY is output, DO and DI are shared, DI=high and the microcontroller DI/O=High-Z or the microcontroller DI/O=high,if SK clock
is input, DO output is input to DI and is recognized as a start bit, and malfunction may occur. As a method to avoid malfunction, at STATUS READY
output, set SK=low, or start CS within 4 clocks after high of READY signal is output.
Start bit
CS
SK
DI
Because DI=high, set
SK=low at CS rise.
READY
DO
High-Z
Figure.52 Start bit input timing at DI, DO direct connection
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○Selection of resistance value R
The resistance R becomes through current limit resistance at data collision. When through current flows, noises of
power source line and instantaneous stop of power source may occur. When allowable through current is defined as I,
the following relation should be satisfied. Determine allowable current amount in consideration of impedance and so
forth of power source line in set. And insert resistance R, and set the value R to satisfy EEPROM input level VIH/VIL even
under influence of voltage decline owing to leak current and so forth. Insertion of R will not cause any influence upon
basic operations.
4-3) Address data A0 = “1” input, dummy bit “0” output timing
(When microcontroller DI/O output is high, EEPROM DO outputs low, and high is input to DI)
・Make the through current to EEPROM 10mA or below.
・See to it that the level VIH of EEPROM should satisfy the following.
Conditions
Microcontroller
EEPROM
VIHE ≦ IOHM×R + VOLE
At this moment, if VOLE=0V,
DI/O PORT
VOHM
IOHM
DI
VIHE ≦ IOHM×R
high output
VIHE
R ≧
R
∴
・・・⑦
DO
IOHM
VOLE
・VIHE
: EEPROM VIH specifications
・VOLE : EEPROM VOL specifications
low output
・IOHM : Microcontroller IOH specifications
Figure 53. Circuit at DI, DO direct connection (Microcontroller DI/O high output, EEPROM low output)
4-4) DO STATUS READY output timing
(When the microcontroller DI/O is low, EEPROM DO output high, and low is input to DI)
・Set the EEPROM input level VIL so as to satisfy the following.
Conditions
Microcontroller
DI/O PORT
EEPROM
VILE ≧ VOHE – IOLM×R
As this moment, VOHE=VCC
DI
low output
VOLM
VILE ≧ VCC – IOLM×R
R
IOLM
VCC – VILE
∴
R ≧
・・・⑧
DO
IOLM
VOHE
high output
・VILE
・VOHE
・IOLM
: EEPROM VIL specifications
: EEPROM VOH specifications
: Microcontroller IOL specifications
Example) When VCC=5V, VOHM=5V, IOHM=0.4mA, VOLM=5V, IOLM=0.4mA,
From the equation ⑦,
From the equation⑧,
VIHE
VCC – VILE
R ≧
R ≧
R ≧
IOHM
IOLM
3.5
0.4×10-3
5 – 1.5
2.1×10-3
R ≧
∴
R ≧ 8.75 [kΩ] ・・・⑨
∴
R ≧ 1.67 [kΩ] ・・・⑩
Therefore, from the equations ⑨ and ⑩,
R ≧ 8.75 [kΩ]
Figure 54. Circuit at DI, DO direct connection (Microcontroller DI/O low output, EEPROM high output)
∴
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5) I/O equivalence circuit
Output circuit
Input citcuit
RESET int.
CSint.
DO
CS
OEint.
Figure 56. Input circuit (CS)
Figure 55. Output circuit (DO)
Input circuit
Input circuit
CS int.
CS int.
DI
SK
Figure 57. Input circuit (DI)
Figure 58. Input circuit (SK)
6)Power-Up/Down conditions
○At power ON/OFF, set CS low.
When CS is high, this IC gets in input accept status (active). If power is turned on in this status, noises and the likes may
cause malfunction, mistake write or so. To prevent these, at power ON, set CS low. (When CS is in low status all inputs
are cancelled.) And at power decline, owing to power line capacity and so forth, low power status may continue long. At
this case too, owing to the same reason, malfunction, mistake write may occur, therefore, at power OFF too, set CS low.
VCC
VCC
GND
VCC
CS
GND
Bad example
Good example
Figure 59. Timing at power ON/OFF
(Bad example)CS pin is pulled up to VCC
(Good example)It is low at power ON/OFF.
Set 10ms or higher to recharge at power OFF.
In this case, CS becomes high (active status), and EEPROM may have malfunction,
mistake write owing to noise and the likes.
Even when CS input is High-Z, the status becomes like this case, which please note.
When power is turned on without observing this condition,
IC internal circuit may not be reset, which please note.
○POR citcuit
This IC has a POR (Power On Reset) circuit as a mistake write countermeasure. After POR operation, it gets in write
disable status. The POR circuit is valid only when power is ON, and does not work when power is OFF. However, if CS is
high at power ON/OFF, it may become write enable status owing to noises and the likes. For secure operations, observe
the follwing conditions.
1. Set CS=low
2. Turn on power so as to satisfy the recommended conditions of tR, tOFF, Vbot for POR circuit operation.
Recommended conditions of tR, tOFF, Vbot
tR
VCC
tR
tOFF
Vbot
10ms or below
100ms or below
10ms or higher
10ms or higher
0.3V or below
0.2V or below
tOFF
Vbot
0
Figure 60. Rise waveform diagram
○LVCC circuit
LVCC (VCC-Lockout) circuit prevents data rewrite operation at low power, and prevents wrong write.
At LVCC voltage (Typ.=1.2V) or below, it prevent data rewrite
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BR93G86-3A
7)Noise countermeasures
○VCC noise (bypass capacitor)
When noise or surge gets in the power source line, malfunction may occur, therefore, for removing these, it is
recommended to attach a by pass capacitor (0.1μF) between IC VCC and GND, At that moment, attach it as close to IC
as possible.And, it is also recommended to attach a bypass capacitor between board VCC and GND.
○SK noise
When the rise time of SK is long, and a certain degree or more of noise exists, malfunction may occur owing to clock bit
displacement. To avoid this, a Schmitt trigger circuit is built in SK input. The hysteresis width of this circuit is set about
0.2V, if noises exist at SK input, set the noise amplitude 0.2Vp-p or below. And it is recommended to set the rise time of
SK 100ns or below. In the case when the rise time is 100ns or higher, take sufficient noise countermeasures. Make the
clock rise, fall time as small as possible.
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BR93G86-3A
●Operational Notes
(1) Described numeric values and data are design representative values, and the values are not guaranteed.
(2) We believe that application circuit examples are recommendable, however, in actual use, confirm characteristics further
sufficiently. In the case of use by changing the fixed number of external parts, make your decision with sufficient margin in
consideration of static characteristics and transition characteristics and fluctuations of external parts and our LSI.
(3) Absolute Maximum Ratings
If the absolute maximum ratings such as supply voltage and operating temperature range and so forth are exceeded, LSI
may be destructed. Do not impress voltage and temperature exceeding the absolute maximum ratings. In the case of fear
exceeding the absolute maximum ratings, take physical safety countermeasures such as fuses, and see to it that
conditions exceeding the absolute maximum ratings should not be impressed to LSI.
(4) GND electric potential
Set the voltage of GND terminal lowest at any operating condition. Make sure that each terminal voltage is not lower than
that of GND terminal in consideration of transition status.
(5) Heat design
In consideration of allowable loss in actual use condition, carry out heat design with sufficient margin.
(6) Terminal to terminal short circuit and wrong packaging
When to package LSI onto a board, pay sufficient attention to LSI direction and displacement. Wrong packaging may
destruct LSI. And in the case of pin short between LSI terminals and terminals, terminals and power source, terminals and
GND owing to unconnect use, LSI may be destructed.
(7) Using this LSI in a strong electromagnetic field may cause malfunction, therefore, evaluate the design sufficiently.
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BR93G86-3A
●Part numbering
B
R
9
3
G
8
6
x
x
x
3
x
x
x
x
x
-
BUS type
93:MicroWire
Operating temperature
/ Operating Voltage
-40℃ to +85℃/ 1.7V to 5.5V
Capacity
86=16K
Package
Blank :DIP-T8
F
:SOP8
FJ
:SOP-J8
FV
:SSOP-B8
:TSSOP-B8
:TSSOP-B8J
:MSOP8
FVT
FVJ
FVM
NUX
:VSON008X2030
Process code
Pin assignment
Blank: Pin1~8: CS, SK, DI, DO, GND, ORG, DU, VCC respectively
A
B
: Pin1~8: CS, SK, DI, DO, GND, NC, DU, VCC respectively
: Pin1~8: DU, VCC, CS, SK, DI, DO, GND, NC respectively
G
:
Halogen free
Blank: Not Halogen free
As an exception, VSON008X2030
package will be Halogen free with “Blank”
T
:
100% Sn
Blank: 100% Sn
Packaging and forming specification
E2
: Embossed tape and reel
(SOP8,SOP-J8, SSOP-B8,TSSOP-B8, TSSOP-B8J)
: Embossed tape and reel
TR
(MSOP8, VSON008X2030)
Blank : Tube
(DIP-T8)
Package
Orderable Part Number
Remark
Type
Quantity
BR93G86
-3A
DIP-T8
SOP8
Tube of 2000
Reel of 2500
Reel of 2500
Reel of 2500
Reel of 3000
Reel of 2500
Reel of 3000
Reel of 4000
Not Halogen free
Halogen free
Halogen free
Halogen free
Halogen free
Halogen free
Halogen free
Halogen free
100% Sn
100% Sn
100% Sn
100% Sn
100% Sn
100% Sn
100% Sn
100% Sn
BR93G86F
-3AGTE2
-3AGTE2
-3AGTE2
-3AGE2
-3AGTE2
-3AGTTR
-3ATTR
BR93G86FJ
BR93G86FV
BR93G86FVT
BR93G86FVJ
BR93G86FVM
BR93G86NUX
SOP-J8
SSOP-B8
TSSOP-B8
TSSOP-B8J
MSOP8
VSON008X2030
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●Physical Dimensions Tape and Reel information
Package Name
DIP-T8
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BR93G86-3A
Package Name
SOP8
(Max 5.35 (include.BURR))
(UNIT : mm)
PKG : SOP8
Drawing No. : EX112-5001-1
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Package Name
SOP-J8
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BR93G86-3A
Package Name
SSOP-B8
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BR93G86-3A
Package Name
TSSOP-B8
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BR93G86-3A
Package Name
TSSOP-B8J
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BR93G86-3A
Package Name
MSOP8
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BR93G86-3A
Package Name
VSON008X2030
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BR93G86-3A
●Marking Diagrams
SOP8(TOP VIEW)
DIP-T8 (TOP VIEW)
Part Number Marking
LOT Number
Part Number Marking
LOT Number
9 G 8 6 A
BR93G86A
1PIN MARK
SOP-J8(TOP VIEW)
SSOP-B8(TOP VIEW)
Part Number Marking
LOT Number
Part Number Marking
LOT Number
9 GEA
9 G 8 6 A
1PIN MARK
1PIN MARK
TSSOP-B8(TOP VIEW)
TSSOP-B8J(TOP VIEW)
Part Number Marking
LOT Number
Part Number Marking
9 G 8
6 A 3
LOT Number
1PIN MARK
1PIN MARK
MSOP8(TOP VIEW)
VSON008X2030 (TOP VIEW)
Part Number Marking
LOT Number
Part Number Marking
LOT Number
9 G E
A G 3
9 G 8
6 A 3
1PIN MARK
1PIN MARK
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TSZ22111・15・001
BR93G86-3A
●Revision History
Date
Revision
001
Changes
21.Jan.2013
21.Dec.2015
New Release
P.1 Change format of package line-up table.
P.2 Change Remark of Power Dissipasion.
P.26 Add the list of Part Numbering.
P.27 Correct wrong size of Physical Dimensions.
002
Wrong : The body thickness is 3.4±0.3
Correct : The leugth from high side of the body to the stopper of terminal is 3.4±0.3
P.28-34 Change the format of Physical Dimensions.
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Notice
Precaution on using ROHM Products
1. Our Products are designed and manufactured for application in ordinary electronic equipments (such as AV equipment,
OA equipment, telecommunication equipment, home electronic appliances, amusement equipment, etc.). If you
intend to use our Products in devices requiring extremely high reliability (such as medical equipment (Note 1), transport
equipment, traffic equipment, aircraft/spacecraft, nuclear power controllers, fuel controllers, car equipment including car
accessories, safety devices, etc.) and whose malfunction or failure may cause loss of human life, bodily injury or
serious damage to property (“Specific Applications”), please consult with the ROHM sales representative in advance.
Unless otherwise agreed in writing by ROHM in advance, ROHM shall not be in any way responsible or liable for any
damages, expenses or losses incurred by you or third parties arising from the use of any ROHM’s Products for Specific
Applications.
(Note1) Medical Equipment Classification of the Specific Applications
JAPAN
USA
EU
CHINA
CLASSⅢ
CLASSⅣ
CLASSⅡb
CLASSⅢ
CLASSⅢ
CLASSⅢ
2. ROHM designs and manufactures its Products subject to strict quality control system. However, semiconductor
products can fail or malfunction at a certain rate. Please be sure to implement, at your own responsibilities, adequate
safety measures including but not limited to fail-safe design against the physical injury, damage to any property, which
a failure or malfunction of our Products may cause. The following are examples of safety measures:
[a] Installation of protection circuits or other protective devices to improve system safety
[b] Installation of redundant circuits to reduce the impact of single or multiple circuit failure
3. Our Products are designed and manufactured for use under standard conditions and not under any special or
extraordinary environments or conditions, as exemplified below. Accordingly, ROHM shall not be in any way
responsible or liable for any damages, expenses or losses arising from the use of any ROHM’s Products under any
special or extraordinary environments or conditions. If you intend to use our Products under any special or
extraordinary environments or conditions (as exemplified below), your independent verification and confirmation of
product performance, reliability, etc, prior to use, must be necessary:
[a] Use of our Products in any types of liquid, including water, oils, chemicals, and organic solvents
[b] Use of our Products outdoors or in places where the Products are exposed to direct sunlight or dust
[c] Use of our Products in places where the Products are exposed to sea wind or corrosive gases, including Cl2,
H2S, NH3, SO2, and NO2
[d] Use of our Products in places where the Products are exposed to static electricity or electromagnetic waves
[e] Use of our Products in proximity to heat-producing components, plastic cords, or other flammable items
[f] Sealing or coating our Products with resin or other coating materials
[g] Use of our Products without cleaning residue of flux (even if you use no-clean type fluxes, cleaning residue of
flux is recommended); or Washing our Products by using water or water-soluble cleaning agents for cleaning
residue after soldering
[h] Use of the Products in places subject to dew condensation
4. The Products are not subject to radiation-proof design.
5. Please verify and confirm characteristics of the final or mounted products in using the Products.
6. In particular, if a transient load (a large amount of load applied in a short period of time, such as pulse. is applied,
confirmation of performance characteristics after on-board mounting is strongly recommended. Avoid applying power
exceeding normal rated power; exceeding the power rating under steady-state loading condition may negatively affect
product performance and reliability.
7. De-rate Power Dissipation depending on ambient temperature. When used in sealed area, confirm that it is the use in
the range that does not exceed the maximum junction temperature.
8. Confirm that operation temperature is within the specified range described in the product specification.
9. ROHM shall not be in any way responsible or liable for failure induced under deviant condition from what is defined in
this document.
Precaution for Mounting / Circuit board design
1. When a highly active halogenous (chlorine, bromine, etc.) flux is used, the residue of flux may negatively affect product
performance and reliability.
2. In principle, the reflow soldering method must be used on a surface-mount products, the flow soldering method must
be used on a through hole mount products. If the flow soldering method is preferred on a surface-mount products,
please consult with the ROHM representative in advance.
For details, please refer to ROHM Mounting specification
Notice-PGA-E
Rev.003
© 2015 ROHM Co., Ltd. All rights reserved.
Precautions Regarding Application Examples and External Circuits
1. If change is made to the constant of an external circuit, please allow a sufficient margin considering variations of the
characteristics of the Products and external components, including transient characteristics, as well as static
characteristics.
2. You agree that application notes, reference designs, and associated data and information contained in this document
are presented only as guidance for Products use. Therefore, in case you use such information, you are solely
responsible for it and you must exercise your own independent verification and judgment in the use of such information
contained in this document. ROHM shall not be in any way responsible or liable for any damages, expenses or losses
incurred by you or third parties arising from the use of such information.
Precaution for Electrostatic
This Product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. Please take proper
caution in your manufacturing process and storage so that voltage exceeding the Products maximum rating will not be
applied to Products. Please take special care under dry condition (e.g. Grounding of human body / equipment / solder iron,
isolation from charged objects, setting of Ionizer, friction prevention and temperature / humidity control).
Precaution for Storage / Transportation
1. Product performance and soldered connections may deteriorate if the Products are stored in the places where:
[a] the Products are exposed to sea winds or corrosive gases, including Cl2, H2S, NH3, SO2, and NO2
[b] the temperature or humidity exceeds those recommended by ROHM
[c] the Products are exposed to direct sunshine or condensation
[d] the Products are exposed to high Electrostatic
2. Even under ROHM recommended storage condition, solderability of products out of recommended storage time period
may be degraded. It is strongly recommended to confirm solderability before using Products of which storage time is
exceeding the recommended storage time period.
3. Store / transport cartons in the correct direction, which is indicated on a carton with a symbol. Otherwise bent leads
may occur due to excessive stress applied when dropping of a carton.
4. Use Products within the specified time after opening a humidity barrier bag. Baking is required before using Products of
which storage time is exceeding the recommended storage time period.
Precaution for Product Label
A two-dimensional barcode printed on ROHM Products label is for ROHM’s internal use only.
Precaution for Disposition
When disposing Products please dispose them properly using an authorized industry waste company.
Precaution for Foreign Exchange and Foreign Trade act
Since concerned goods might be fallen under listed items of export control prescribed by Foreign exchange and Foreign
trade act, please consult with ROHM in case of export.
Precaution Regarding Intellectual Property Rights
1. All information and data including but not limited to application example contained in this document is for reference
only. ROHM does not warrant that foregoing information or data will not infringe any intellectual property rights or any
other rights of any third party regarding such information or data.
2. ROHM shall not have any obligations where the claims, actions or demands arising from the combination of the
Products with other articles such as components, circuits, systems or external equipment (including software).
3. No license, expressly or implied, is granted hereby under any intellectual property rights or other rights of ROHM or any
third parties with respect to the Products or the information contained in this document. Provided, however, that ROHM
will not assert its intellectual property rights or other rights against you or your customers to the extent necessary to
manufacture or sell products containing the Products, subject to the terms and conditions herein.
Other Precaution
1. This document may not be reprinted or reproduced, in whole or in part, without prior written consent of ROHM.
2. The Products may not be disassembled, converted, modified, reproduced or otherwise changed without prior written
consent of ROHM.
3. In no event shall you use in any way whatsoever the Products and the related technical information contained in the
Products or this document for any military purposes, including but not limited to, the development of mass-destruction
weapons.
4. The proper names of companies or products described in this document are trademarks or registered trademarks of
ROHM, its affiliated companies or third parties.
Notice-PGA-E
Rev.003
© 2015 ROHM Co., Ltd. All rights reserved.
Daattaasshheeeett
General Precaution
1. Before you use our Pro ducts, you are requested to care fully read this document and fully understand its contents.
ROHM shall not be in an y way responsible or liable for failure, malfunction or accident arising from the use of a ny
ROHM’s Products against warning, caution or note contained in this document.
2. All information contained in this docume nt is current as of the issuing date and subj ect to change without any prior
notice. Before purchasing or using ROHM’s Products, please confirm the la test information with a ROHM sale s
representative.
3. The information contained in this doc ument is provi ded on an “as is” basis and ROHM does not warrant that all
information contained in this document is accurate an d/or error-free. ROHM shall not be in an y way responsible or
liable for any damages, expenses or losses incurred by you or third parties resulting from inaccuracy or errors of or
concerning such information.
Notice – WE
Rev.001
© 2015 ROHM Co., Ltd. All rights reserved.
Datasheet
Buy
BR93G86-3A - Web Page
Distribution Inventory
Part Number
Package
BR93G86-3A
DIP-T8
Unit Quantity
2000
Minimum Package Quantity
Packing Type
Constitution Materials List
RoHS
50
Tube
inquiry
Yes
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