FM93C66ALM8X [FAIRCHILD]

EEPROM, 256X16, Serial, CMOS, PDSO8, 0.150 INCH, PLASTIC, SO-8;
FM93C66ALM8X
型号: FM93C66ALM8X
厂家: FAIRCHILD SEMICONDUCTOR    FAIRCHILD SEMICONDUCTOR
描述:

EEPROM, 256X16, Serial, CMOS, PDSO8, 0.150 INCH, PLASTIC, SO-8

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 时钟 光电二极管 内存集成电路
文件: 总17页 (文件大小:152K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
July 2000  
FM93C66  
4096-Bit Serial CMOS EEPROM  
(MICROWIRE™ Synchronous Bus)  
General Description  
Features  
FM93C66 is a 4096-bit CMOS non-volatile EEPROM organized  
as 256 x 16-bit array. This device features MICROWIRE interface  
which is a 4-wire serial bus with chipselect (CS), clock (SK), data  
input (DI) and data output (DO) signals. This interface is compat-  
ible to many of standard Microcontrollers and Microprocessors.  
Thereare7instructionsimplementedontheFM93C66forvarious  
Read, Write, Erase, and Write Enable/Disable operations. This  
device is fabricated using Fairchild Semiconductor floating-gate  
CMOS process for high reliability, high endurance and low power  
consumption.  
I Wide VCC 2.7V - 5.5V  
I Typical active current of 200µA  
10µA standby current typical  
1µA standby current typical (L)  
0.1µA standby current typical (LZ)  
I No Erase instruction required before Write instruction  
I Self timed write cycle  
I Device status during programming cycles  
I 40 year data retention  
“LZ” and “L” versions of FM93C66 offer very low standby current  
making them suitable for low power applications. This device is  
offered in both SO and TSSOP packages for small space consid-  
erations.  
I Endurance: 1,000,000 data changes  
I Packages available: 8-pin SO, 8-pin DIP, 8-pin TSSOP  
Functional Diagram  
VCC  
CS  
SK  
INSTRUCTION  
DECODER  
CONTROL LOGIC  
AND CLOCK  
GENERATORS  
INSTRUCTION  
REGISTER  
DI  
HIGH VOLTAGE  
GENERATOR  
AND  
PROGRAM  
TIMER  
ADDRESS  
REGISTER  
DECODER  
EEPROM ARRAY  
16  
READ/WRITE AMPS  
16  
VSS  
DATA IN/OUT REGISTER  
16 BITS  
DO  
DATA OUT BUFFER  
1
© 2000 Fairchild Semiconductor International  
FM93C66 Rev. C.1  
www.fairchildsemi.com  
Connection Diagram  
Dual-In-Line Package (N)  
8–Pin SO (M8) and 8–Pin TSSOP (MT8)  
1
2
3
4
8
7
6
5
CS  
SK  
DI  
VCC  
NC  
NC  
DO  
GND  
Top View  
Package Number  
N08E, M08A and MTC08  
Pin Names  
CS  
SK  
Chip Select  
Serial Data Clock  
Serial Data Input  
Serial Data Output  
Ground  
DI  
DO  
GND  
NC  
VCC  
No Connect  
Power Supply  
NOTE: Pins designated as "NC" are typically unbonded pins. However some of them are bonded for special testing purposes. Hence if a signal is applied to these pins, care  
should be taken that the voltage applied on these pins does not exceed the VCC applied to the device. This will ensure proper operation.  
Ordering Information  
FM  
93  
C
XX  
LZ  
E
XXX  
Letter Description  
Package  
N
8-pin DIP  
M8  
MT8  
8-pin SO  
8-pin TSSOP  
Temp. Range  
None  
0 to 70°C  
V
E
-40 to +125°C  
-40 to +85°C  
Voltage Operating Range  
Density  
Blank  
L
LZ  
4.5V to 5.5V  
2.7V to 5.5V  
2.7V to 5.5V and  
<1µA Standby Current  
66  
4096 bits  
C
CMOS  
CS  
Data protect and sequential  
read  
Interface  
93  
MICROWIRE  
Fairchild Memory Prefix  
2
www.fairchildsemi.com  
FM93C66 Rev. C.1  
Absolute Maximum Ratings (Note 1)  
Operating Conditions  
Ambient Storage Temperature  
-65°C to +150°C  
Ambient Operating Temperature  
FM93C66  
0°C to +70°C  
-40°C to +85°C  
-40°C to +125°C  
All Input or Output Voltages  
with Respect to Ground  
+6.5V to -0.3V  
FM93C66E  
FM93C66V  
Lead Temperature  
(Soldering, 10 sec.)  
+300°C  
Power Supply (VCC  
)
4.5V to 5.5V  
ESD rating  
2000V  
DC and AC Electrical Characteristics VCC = 4.5V to 5.5V unless otherwise specified  
Symbol  
Parameter  
Conditions  
Min  
Max  
Units  
ICCA  
Operating Current  
CS = VIH, SK=1.0 MHz  
1
mA  
ICCS  
Standby Current  
CS = VIL  
50  
-1  
µA  
µA  
IIL  
IOL  
Input Leakage  
Output Leakage  
VIN = 0V to VCC  
(Note 2)  
VIL  
VIH  
Input Low Voltage  
Input High Voltage  
-0.1  
2
0.8  
VCC +1  
V
V
V
VOL1  
VOH1  
Output Low Voltage  
Output High Voltage  
IOL = 2.1 mA  
IOH = -400 µA  
0.4  
0.2  
1
2.4  
VOL2  
VOH2  
Output Low Voltage  
Output High Voltage  
IOL = 10 µA  
IOH = -10 µA  
VCC - 0.2  
fSK  
SK Clock Frequency  
SK High Time  
(Note 3)  
MHz  
ns  
tSKH  
0°C to +70°C  
-40°C to +125°C  
250  
300  
tSKL  
tCS  
tCSS  
tDH  
SK Low Time  
250  
250  
50  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ms  
Minimum CS Low Time  
CS Setup Time  
DO Hold Time  
(Note 4)  
70  
tDIS  
tCSH  
tDIH  
tPD  
DI Setup Time  
CS Hold Time  
100  
0
DI Hold Time  
20  
Output Delay  
500  
500  
100  
10  
tSV  
CS to Status Valid  
CS to DO in Hi-Z  
Write Cycle Time  
tDF  
CS = VIL  
tWP  
3
www.fairchildsemi.com  
FM93C66 Rev. C.1  
Absolute Maximum Ratings (Note 1)  
Operating Conditions  
Ambient Storage Temperature  
-65°C to +150°C  
Ambient Operating Temperature  
FM93C66L/LZ  
0°C to +70°C  
-40°C to +85°C  
-40°C to +125°C  
All Input or Output Voltages  
with Respect to Ground  
+6.5V to -0.3V  
FM93C66LE/LZE  
FM93C66LV/LZV  
Lead Temperature  
(Soldering, 10 sec.)  
+300°C  
Power Supply (VCC  
)
2.7V to 5.5V  
ESD rating  
2000V  
DC and AC Electrical Characteristics VCC = 2.7V to 4.5V unless otherwise specified. Refer to  
page 3 for VCC = 4.5V to 5.5V.  
Symbol  
Parameter  
Conditions  
Min  
Max  
Units  
ICCA  
Operating Current  
CS = VIH, SK=250 KHz  
1
mA  
ICCS  
Standby Current  
L
CS = VIL  
10  
1
µA  
µA  
LZ (2.7V to 4.5V)  
IIL  
IOL  
Input Leakage  
Output Leakage  
VIN = 0V to VCC  
(Note 2)  
1
µA  
VIL  
VIH  
Input Low Voltage  
Input High Voltage  
-0.1  
0.8VCC  
0.15VCC  
VCC +1  
V
VOL  
VOH  
Output Low Voltage  
Output High Voltage  
IOL = 10µA  
IOH = -10µA  
0.1VCC  
V
0.9VCC  
fSK  
tSKH  
tSKL  
tCS  
SK Clock Frequency  
SK High Time  
(Note 3)  
0
1
250  
KHz  
µs  
µs  
µs  
µs  
ns  
µs  
ns  
µs  
µs  
µs  
µs  
ms  
SK Low Time  
1
Minimum CS Low Time  
CS Setup Time  
DO Hold Time  
(Note 4)  
1
tCSS  
tDH  
0.2  
70  
0.4  
0
tDIS  
tCSH  
tDIH  
tPD  
DI Setup Time  
CS Hold Time  
DI Hold Time  
0.4  
Output Delay  
2
1
tSV  
CS to Status Valid  
CS to DO in Hi-Z  
Write Cycle Time  
tDF  
CS = VIL  
0.4  
15  
tWP  
Note 1: StressabovethoselistedunderAbsoluteMaximumRatingsmaycausepermanentdamage  
to the device. This is a stress rating only and functional operation of the device at these or any other  
conditionsabovethoseindicatedintheoperationalsectionsofthespecificationisnotimplied. Exposure  
to absolute maximum rating conditions for extended periods may affect device reliability.  
Capacitance TA = 25°C, f = 1 MHz or  
250 KHz (Note 5)  
Note 2: Typical leakage values are in the 20nA range.  
Note 3: TheshortestallowableSKclockperiod=1/fSK (asshownunderthefSK parameter). Maximum  
SK clock speed (minimum SK period) is determined by the interaction of several AC parameters stated  
in the datasheet. Within this SK period, both tSKH and tSKL limits must be observed. Therefore, it is not  
allowable to set 1/fSK = tSKHminimum + tSKLminimum for shorter SK cycle time operation.  
Symbol  
Test  
Typ Max Units  
COUT  
CIN  
Output Capacitance  
Input Capacitance  
5
5
pF  
pF  
Note 4: CS (Chip Select) must be brought low (to VIL) for an interval of tCS in order to reset all internal  
device registers (device reset) prior to beginning another opcode cycle. (This is shown in the opcode  
diagram on the following page.)  
Note 5: This parameter is periodically sampled and not 100% tested.  
AC Test Conditions  
VCC Range  
VIL/VIH  
Input Levels  
0.3V/1.8V  
VIL/VIH  
VOL/VOH  
Timing Level  
0.8V/1.5V  
IOL/IOH  
Timing Level  
2.7V VCC 5.5V  
1.0V  
10µA  
(Extended Voltage Levels)  
4.5V VCC 5.5V  
0.4V/2.4V  
1.0V/2.0V  
0.4V/2.4V  
2.1mA/-0.4mA  
(TTL Levels)  
Output Load: 1 TTL Gate (CL = 100 pF)  
4
www.fairchildsemi.com  
FM93C66 Rev. C.1  
Pin Description  
Microwire Interface  
AtypicalcommunicationontheMicrowirebusismadethroughthe  
CS, SK, DI and DO signals. To facilitate various operations on the  
Memoryarray,asetof7instructionsareimplementedonFM93C66.  
The format of each instruction is listed under Table 1.  
Chip Select (CS)  
This is an active high input pin to FM93C66 EEPROM (the device)  
and is generated by a master that is controlling the device. A high  
level on this pin selects the device and a low level deselects the  
device. All serial communications with the device is enabled only  
when this pin is held high. However this pin cannot be permanently  
tied high, as a rising edge on this signal is required to reset the  
internal state-machine to accept a new cycle and a falling edge to  
initiateaninternalprogrammingafterawritecycle.Allactivityonthe  
SK, DI and DO pins are ignored while CS is held low.  
Instruction  
Each of the 7 instructions is explained under individual instruction  
descriptions.  
Start bit  
This is a 1-bit field and is the first bit that is clocked into the device  
whenaMicrowirecyclestarts.Thisbithastobe1foravalidcycle  
to begin. Any number of preceding 0can be clocked into the  
device before clocking a 1.  
Serial Clock (SK)  
Thisisaninputpintothedeviceandisgeneratedbythemasterthat  
is controlling the device. This is a clock signal that synchronizes the  
communicationbetweenamasterandthedevice. Allinputinforma-  
tion(DI)tothedeviceislatchedontherisingedgeofthisclockinput,  
whileoutputdata(DO)fromthedeviceisdrivenfromtherisingedge  
of this clock input. This pin is gated by CS signal.  
Opcode  
This is a 2-bit field and should immediately follow the start bit.  
These two bits (along with 2 MSB of address field) select a  
particular instruction to be executed.  
Serial Input (DI)  
Address Field  
This is an input pin to the device and is generated by the master  
that is controlling the device. The master transfers Input informa-  
tion (Start bit, Opcode bits, Array addresses and Data) serially via  
this pin into the device. This Input information is latched on the  
rising edge of the SCK. This pin is gated by CS signal.  
This is an 8-bit field and should immediately follow the Opcode bits.  
InFM93C66,all8 bitsareusedforaddressdecodingduringREAD,  
WRITE and ERASE instructions. During all other instructions, the  
MSB 2 bits are used to decode instruction (along with Opcode bits).  
Serial Output (DO)  
Data Field  
This is an output pin from the device and is used to transfer Output  
data via this pin to the controlling master. Output data is serially  
shifted out on this pin from the rising edge of the SCK. This pin is  
active only when the device is selected.  
This is a 16-bit field and should immediately follow the Address  
bits. Only the WRITE and WRALL instructions require this field.  
D15 (MSB) is clocked first and D0 (LSB) is clocked last (both  
during writes as well as reads).  
Table 1. Instruction set  
Instruction  
READ  
Start Bit Opcode Field  
Address Field  
Data Field  
1
1
1
1
1
1
1
10  
00  
01  
00  
00  
11  
00  
A7 A6 A5 A4 A3 A2 A1 A0  
WEN  
1
1
X
X
X
X
X
X
WRITE  
WRALL  
WDS  
A7 A6 A5 A4 A3 A2 A1 A0  
D15-D0  
D15-D0  
0
0
1
0
X
X
X
X
X
X
X
X
X
X
X
X
ERASE  
ERAL  
A7 A6 A5 A4 A3 A2 A1 A0  
1
0
X
X
X
X
X
X
5
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FM93C66 Rev. C.1  
The status of the internal programming cycle can be polled at any  
time by bringing the CS signal high again, after tCS interval. When  
CS signal is high, the DO pin indicates the READY/BUSY status  
of the chip. DO = logical 0 indicates that the programming is still  
in progress. DO = logical 1 indicates that the programming is  
finished and the device is ready for another instruction. It is not  
required to provide the SK clock during this status polling. While  
the device is busy, it is recommended that no new instruction be  
issued. Refer Write cycle diagram.  
Functional Description  
A typical Microwire cycle starts by first selecting the device  
(bringing the CS signal high). Once the device is selected, a valid  
Start bit (1) should be issued to properly recognize the cycle.  
Following this, the 2-bit opcode of appropriate instruction should  
be issued. After the opcode bits, the 8-bit address information  
shouldbeissued. Forcertaininstructions,someofthese8bitsare  
dontcarevalues(canbe0or1), buttheyshouldstillbeissued.  
Following the address information, depending on the instruction  
(WRITE and WRALL), 16-Bit data is issued. Otherwise, depend-  
ing on the instruction (READ), the device starts to drive the output  
data on the DO line. Other instructions perform certain control  
functions and do not deal with data bits. The Microwire cycle ends  
when the CS signal is brought low. However during certain  
instructions, fallingedgeoftheCSsignalinitiatesaninternalcycle  
(Programming), and the device remains busy till the completion of  
the internal cycle. Each of the 7 instructions is explained in detail  
in the following sections.  
It is also recommended to follow this instruction (after the device  
becomes READY) with a Write Disable (WDS) instruction to  
safeguarddataagainstcorruptionduetospuriousnoise,inadvert-  
ent writes etc.  
4) Write All (WRALL)  
Write all (WRALL) instruction is similar to the Write instruction  
except that WRALL instruction will simultaneously program all  
memorylocationswiththedatapatternspecifiedintheinstruction.  
This instruction is valid only when device is write-enabled (Refer  
WEN instruction).  
1) Read (READ)  
READ instruction allows data to be read from a selected location  
in the memory array. Input information (Start bit, Opcode and  
Address) for this instruction should be issued as listed under  
Table1. Upon receiving a valid input information, decoding of the  
opcode and the address is made, followed by data transfer from  
the selected memory location into a 16-bit serial-out shift register.  
This 16-bit data is then shifted out on the DO pin. D15 bit (MSB)  
is shifted out first and D0 bit (LSB) is shifted out last. A dummy-bit  
(logical 0) precedes this 16-bit data output string. Output data  
changes are initiated on the rising edge of the SK clock. After  
reading the 16-bit data, the CS signal can be brought low to end  
the Read cycle. Refer Read cycle diagram.  
Input information (Start bit, Opcode, Address and Data) for this  
WRALL instruction should be issued as listed under Table1. After  
inputtingthelastbitofdata(D0bit), CSsignalmustbebroughtlow  
before the next rising edge of the SK clock. This falling edge of the  
CS initiates the self-timed programming cycle. It takes tWP time  
(Refer appropriate DC and AC Electrical Characteristics table) for  
the internal programming cycle to finish. During this time, the  
device remains busy and is not ready for another instruction.  
Status of the internal programming can be polled as described  
under WRITE instruction description. While the device is busy, it  
is recommended that no new instruction be issued. ReferWrite All  
cycle diagram.  
2) Write Enable (WEN)  
5) Write Disable (WDS)  
When VCC is applied to the part, it powers upin the Write Disable  
(WDS) state. Therefore, all programming operations must be  
preceded by a Write Enable (WEN) instruction. Once a Write  
Enable instruction is executed, programming remains enabled  
until a Write Disable (WDS) instruction is executed or VCC is  
completely removed from the part. Input information (Start bit,  
Opcode and Address) for this WEN instruction should be issued  
as listed under Table1. The device becomes write-enabled at the  
end of this cycle when the CS signal is brought low. Execution of  
a READ instruction is independent of WEN instruction. Refer  
Write Enable cycle diagram.  
Write Disable (WDS) instruction disables all programming opera-  
tions and should follow all programming operations. Executing this  
instruction after a valid write instruction would protect against  
accidental data disturb due to spurious noise, glitches, inadvertent  
writesetc. Inputinformation(Startbit, OpcodeandAddress)forthis  
WDS instruction should be issued as listed under Table1. The  
devicebecomeswrite-disabledattheendofthiscyclewhentheCS  
signal is brought low. Execution of a READ instruction is indepen-  
dent of WDS instruction. Refer Write Disable cycle diagram.  
6) Erase (ERASE)  
The ERASE instruction will program all bits in the specified  
location to a logical 1state. Input information (Start bit, Opcode  
and Address) for this WDS instruction should be issued as listed  
under Table1. After inputting the last bit of data (A0 bit), CS signal  
must be brought low before the next rising edge of the SK clock.  
This falling edge of the CS initiates the self-timed programming  
cycle. It takes tWP time (Refer appropriate DC and AC Electrical  
Characteristics table) for the internal programming cycle to finish.  
During this time, the device remains busy and is not ready for  
another instruction. Status of the internal programming can be  
polled as described under WRITE instruction description. While  
the device is busy, it is recommended that no new instruction be  
issued. Refer Erase cycle diagram.  
3) Write (WRITE)  
WRITE instruction allows write operation to a specified location in  
thememorywithaspecifieddata. Thisinstructionisvalidonlywhen  
device is write-enabled (Refer WEN instruction).  
Input information (Start bit, Opcode, Address and Data) for this  
WRITE instruction should be issued as listed under Table1. After  
inputtingthelastbitofdata(D0bit), CSsignalmustbebroughtlow  
before the next rising edge of the SK clock. This falling edge of the  
CS initiates the self-timed programming cycle. It takes tWP time  
(Refer appropriate DC and AC Electrical Characteristics table) for  
the internal programming cycle to finish. During this time, the  
device remains busy and is not ready for another instruction.  
7) Erase All (ERAL)  
6
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FM93C66 Rev. C.1  
The Erase all instruction will program all locations to a logical 1”  
state. Input information (Start bit, Opcode and Address) for this  
WDS instruction should be issued as listed under Table1. After  
inputtingthelastbitofdata(A0bit), CSsignalmustbebroughtlow  
before the next rising edge of the SK clock. This falling edge of the  
CS initiates the self-timed programming cycle. It takes tWP time  
(Refer appropriate DC and AC Electrical Characteristics table) for  
the internal programming cycle to finish. During this time, the  
device remains busy and is not ready for another instruction.  
Status of the internal programming can be polled as described  
under WRITE instruction description. While the device is busy, it  
is recommended that no new instruction be issued. Refer Erase  
All cycle diagram.  
the programming status as either BUSY (low) or READY (high)  
when CS is brought high (DO output will be tri-stated when CS is  
low). To restate, during programming, the CS pin may be brought  
high and low any number of times to view the programming status  
without affecting the programming operation. Once programming  
is completed (Output in READY state), the output is cleared’  
(returned to normal tri-state condition) by clocking in a Start Bit.  
After the Start Bit is clocked in, the output will return to a tri-stated  
condition. When clocked in, this Start Bit can be the first bit in a  
command string, or CS can be brought low again to reset all  
internal circuits. Refer Clearing Ready Status diagram.  
Related Document  
Note: The Fairchild CMOS EEPROMs do not require an ERASEor ERASE ALL”  
instruction prior to the WRITEor WRITE ALLinstruction, respectively. The  
ERASEand ERASE ALLinstructions are included to maintain compatibility with  
earlier technology EEPROMs.Clearing of Ready/Busy status  
Application Note: AN758 - Using Fairchilds MICROWIREEE-  
PROM.  
When programming is in progress, the Data-Out pin will display  
7
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FM93C66 Rev. C.1  
Timing Diagrams  
SYNCHRONOUS DATA TIMING  
CS  
t
t
t
t
CSH  
CSS  
SKH  
SKL  
SK  
t
t
DIH  
DIS  
Valid  
Input  
Valid  
Input  
DI  
t
PD  
t
t
DF  
t
t
PD  
DH  
Valid  
Valid  
Output  
Output  
DO (Data Read)  
DO (Status Read)  
DF  
t
SV  
Valid Status  
READ CYCLE (READ)  
t
CS  
CS  
SK  
1
1
0
A7  
A6  
A1  
A0  
DI  
Start Opcode  
Bit Bits(2)  
Address  
Bits(8)  
High - Z  
0
D15  
D1  
D0  
DO  
Dummy  
Bit  
93C66:  
Address bits pattern -> User defined  
WRITE ENABLE CYCLE (WEN)  
tCS  
CS  
SK  
1
0
0
A7  
A6  
A1  
A0  
DI  
Start Opcode  
Bit Bits(2)  
Address  
Bits(8)  
High - Z  
DO  
93C66:  
Address bits pattern -> 1-1-x-x-x-x-x-x; (x -> Don't Care, can be 0 or 1)  
8
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FM93C66 Rev. C.1  
Timing Diagrams (Continued)  
WRITE DISABLE CYCLE (WDS)  
t
CS  
CS  
SK  
DI  
1
0
0
A7  
A6  
A1  
A0  
Start Opcode  
Bit Bits(2)  
Address  
Bits(8)  
High - Z  
DO  
93C66:  
Address bits pattern -> 0-0-x-x-x-x-x-x; (x -> Don't Care, can be 0 or 1)  
WRITE CYCLE (WRITE)  
tCS  
CS  
SK  
1
0
1
A7  
A6  
A1  
A0  
D15 D14  
D1  
D0  
DI  
tWP  
Start Opcode  
Bit Bits(2)  
Address  
Bits(8)  
Data  
Bits(16)  
High - Z  
Ready  
DO  
Busy  
93C66:  
Address bits pattern -> User defined  
Data bits pattern -> User defined  
WRITE ALL CYCLE (WRALL)  
tCS  
CS  
SK  
1
0
0
A7  
A6  
A1  
A0  
D15 D14  
D1  
D0  
DI  
tWP  
Start Opcode  
Bit Bits(2)  
Address  
Bits(8)  
Data  
Bits(16)  
High - Z  
Ready  
DO  
Busy  
93C66:  
Address bits pattern -> 0-1-x-x-x-x-x-x; (x -> Don't Care, can be 0 or 1)  
Data bits pattern -> User defined  
9
www.fairchildsemi.com  
FM93C66 Rev. C.1  
Timing Diagrams (Continued)  
ERASE CYCLE (ERASE)  
tCS  
CS  
SK  
DI  
1
1
1
A7  
A6  
A1  
A0  
tWP  
Start Opcode  
Bit Bits(2)  
Address  
Bits(8)  
High - Z  
Ready  
DO  
Busy  
93C66:  
Address bits pattern -> User defined  
ERASE ALL CYCLE (ERAL)  
tCS  
CS  
SK  
1
0
0
A7  
A6  
A1  
A0  
DI  
tWP  
Start Opcode  
Bit Bits(2)  
Address  
Bits(8)  
High - Z  
Ready  
DO  
Busy  
93C66:  
Address bits pattern -> 1-0-x-x-x-x-x-x; (x -> Dont Care, can be 0 or 1)  
CLEARING READY STATUS  
CS  
SK  
DI  
Start  
Bit  
High - Z  
High - Z  
Ready  
DO  
Busy  
Note: This Start bit can also be part of a next instruction. Hence the cycle  
can be continued (instead of getting terminated, as shown) as if a new  
instruction is being issued.  
10  
www.fairchildsemi.com  
FM93C66 Rev. C.1  
Physical Dimensions inches (millimeters) unless otherwise noted  
0.189 - 0.197  
(4.800 - 5.004)  
8
7
6
5
0.228 - 0.244  
(5.791 - 6.198)  
1
2
3
4
Lead #1  
IDENT  
0.150 - 0.157  
(3.810 - 3.988)  
0.053 - 0.069  
(1.346 - 1.753)  
0.010 - 0.020  
(0.254 - 0.508)  
0.004 - 0.010  
(0.102 - 0.254)  
x 45¡  
8¡ Max, Typ.  
All leads  
Seating  
Plane  
0.004  
(0.102)  
All lead tips  
0.0075 - 0.0098  
(0.190 - 0.249)  
Typ. All Leads  
0.014  
(0.356)  
0.016 - 0.050  
(0.406 - 1.270)  
Typ. All Leads  
0.050  
(1.270)  
Typ  
0.014 - 0.020  
Typ.  
(0.356 - 0.508)  
Molded Package, Small Outline, 0.15 Wide, 8-Lead (M8)  
Package Number M08A  
11  
www.fairchildsemi.com  
FM93C66 Rev. C.1  
Physical Dimensions inches (millimeters) unless otherwise noted  
0.114 - 0.122  
(2.90 - 3.10)  
8
5
(7.72) Typ  
(4.16) Typ  
0.169 - 0.177  
(4.30 - 4.50)  
0.246 - 0.256  
(6.25 - 6.5)  
(1.78) Typ  
(0.42) Typ  
0.123 - 0.128  
(3.13 - 3.30)  
(0.65) Typ  
Land pattern recommendation  
1
4
Pin #1 IDENT  
0.0433  
Max  
(1.1)  
0.0035 - 0.0079  
See detail A  
0.002 - 0.006  
(0.05 - 0.15)  
0.0256 (0.65)  
Typ.  
Gage  
plane  
0.0075 - 0.0118  
(0.19 - 0.30)  
0¡-8¡  
DETAIL A  
Typ. Scale: 40X  
0.0075 - 0.0098  
(0.19 - 0.25)  
0.020 - 0.028  
(0.50 - 0.70)  
Seating  
plane  
Notes: Unless otherwise specified  
1. Reference JEDEC registration MO153. Variation AA. Dated 7/93  
8-Pin Molded TSSOP, JEDEC (MT8)  
Package Number MTC08  
12  
www.fairchildsemi.com  
FM93C66 Rev. C.1  
Physical Dimensions inches (millimeters) unless otherwise noted  
0.373 - 0.400  
(9.474 - 10.16)  
0.090  
(2.286)  
8
7
0.032 0.005  
(0.813 0.127)  
RAD  
8
7
6
5
4
0.092  
(2.337)  
DIA  
0.250 - 0.005  
(6.35 0.127)  
Pin #1  
IDENT  
+
Pin #1 IDENT  
1
Option 1  
1
2
3
Option 2  
0.280  
MIN  
0.040  
(1.016)  
Typ.  
(7.112)  
0.030  
0.145 - 0.200  
(3.683 - 5.080)  
0.039  
(0.991)  
MAX  
(0.762)  
0.300 - 0.320  
(7.62 - 8.128)  
20° 1°  
0.130 0.005  
(3.302 0.127)  
0.125 - 0.140  
95° 5°  
(3.175 - 3.556)  
0.065  
(1.651)  
0.125  
(3.175)  
DIA  
0.020  
90° 4°  
Typ  
0.009 - 0.015  
(0.229 - 0.381)  
(0.508)  
Min  
0.018 0.003  
(0.457 0.076)  
NOM  
+0.040  
-0.015  
0.325  
0.100 0.010  
+1.016  
-0.381  
8.255  
(2.540 0.254)  
0.045 0.015  
(1.143 0.381)  
0.060  
(1.524)  
0.050  
(1.270)  
Molded Dual-In-Line Package (N)  
Package Number N08E  
Life Support Policy  
Fairchild's products are not authorized for use as critical components in life support devices or systems without the express written  
approval of the President of Fairchild Semiconductor Corporation. As used herein:  
1. Life support devices or systems are devices or systems which,  
(a)areintendedforsurgicalimplantintothebody,or(b)support  
or sustain life, and whose failure to perform, when properly  
used in accordance with instructions for use provided in the  
labeling, can be reasonably expected to result in a significant  
injury to the user.  
2. A critical component is any component of a life support device  
or system whose failure to perform can be reasonably ex-  
pected to cause the failure of the life support device or system,  
or to affect its safety or effectiveness.  
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Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications.  
13  
www.fairchildsemi.com  
FM93C66 Rev. C.1  
Fairchild P/N FM93C66 - 4K-Bit Serial CMOS EEPROM (MICROWIRE BufisleI:n//t/e/rfoaacre)r/root/data13/imaging/BIT...804/08032000/FAIR/08022000/FM93C66.html  
Fairchild Logo  
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Home >>>Products >>>FM93C66  
[Information as of 1-Aug-2000]  
PDF  
FM93C66  
4K-Bit Serial CMOS EEPROM (MICROWIRE Bus Interface)  
Generic P/N 93C66  
Contents  
General Description  
Features  
Datasheet  
Availability, Models, Samples & Pricing  
General Description  
FM93C66 is a 4096-bit CMOS non-volatile EEPROM organized as 256 x 16-bit array. This device  
MICROWIRE interface which is a 4-wire serial bus with chipselect (CS), clock (SK), data input (D  
output (DO) signals. This interface is compatible to many of standard Microcontrollers and Micropr  
are 7 instructions implemented on the FM93C66 for various Read, Write, Erase, and Write Enable/D  
operations. This device is fabricated using Fairchild Semiconductor floating-gate CMOS process fo  
high endurance and low power consumption.  
"LZ" and "L" versions of FM93C66 offer very low standby current making them suitable for low po  
applications. This device is offered in both SO and TSSOP packages for small space considerations  
Features  
Wide V 2.7V - 5.5V  
CC  
Typical active current 200µA  
10µA standby current typical  
1µA standby current typical (L)  
0.1µA standby current typical (LZ)  
No Erase instruction required before Write instruction  
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Fairchild P/N FM93C66 - 4K-Bit Serial CMOS EEPROM (MICROWIRE BufisleI:n//t/e/rfoaacre)r/root/data13/imaging/BIT...804/08032000/FAIR/08022000/FM93C66.html  
Self timed write cycle  
Device status during programming cycles  
40 year data retention  
Endurance: 1,000,000 data changes  
Packages available: 8-pin SO, 8-pin DIP, 8-pin TSSOP  
Datasheet  
Receive datasheet via E-mail  
or download now  
; use Adobe Acrobat to view...  
FM93C66 4K-Bit Serial CMOS EEPROM (MICROWIRE Bus Interface) (114 Kbytes  
Availability, Models, Samples & Pricing  
Budgetary  
Pricing  
Package  
Models  
S
Pa  
Si  
Part Number  
Grade  
Status  
#
Type  
SPICE IBIS Quantity $US ea  
pins  
1-24 $0.9330  
FM93C66ALM8  
Comm SOIC  
8
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
25-99 $0.70 N  
100-500 $0.56  
1-24 $0.9560  
25-99 $0.7170 N  
100-500 $0.5730  
FM93C66ALM8X Comm SOIC  
8
8
8
1-24 $0.8220  
25-99 $0.6170 N  
100-500 $0.4930  
FM93C66AM8  
FM93C66AM8X  
FM93C66AVM8  
Comm SOIC  
Comm SOIC  
1-24 $0.8440  
25-99 $0.6330 N  
100-500 $0.5070  
1-24 $0.8670  
25-99 $0.65 N  
100-500 $0.52  
Comm  
die  
1-24 $0.8670  
25-99 $0.65 N  
100-500 $0.52  
FM93C66AVM8X Comm SOIC  
8
8
1-24 $0.8670  
25-99 $0.65 N  
100-500 $0.52  
FM93C66EM8  
Comm SOIC  
2 of 4  
8/4/00 3:05 PM  
Fairchild P/N FM93C66 - 4K-Bit Serial CMOS EEPROM (MICROWIRE BufisleI:n//t/e/rfoaacre)r/root/data13/imaging/BIT...804/08032000/FAIR/08022000/FM93C66.html  
1-24 $0.8890  
FM93C66EM8X  
FM93C66LEM8  
FM93C66LEM8X  
FM93C66LM8  
FM93C66LM8X  
FM93C66LZEM8  
FM93C66LZM8  
FM93C66LZM8X  
FM93C66M8  
Comm SOIC  
Comm SOIC  
Comm SOIC  
Comm SOIC  
Comm SOIC  
Comm SOIC  
Comm SOIC  
Comm SOIC  
Comm SOIC  
Comm SOIC  
Comm SOIC  
Comm SOIC  
8
8
8
8
8
8
8
8
8
8
8
8
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
25-99 $0.6670 N  
100-500 $0.5330  
1-24 $0.9780  
25-99 $0.7330 N  
100-500 $0.5870  
1-24  
$1  
25-99 $0.75 N  
100-500 $0.60  
1-24 $0.9330  
25-99 $0.70 N  
100-500 $0.56  
1-24 $0.9560  
25-99 $0.7170 N  
100-500 $0.5730  
N/A N  
1-24 $0.9780  
25-99 $0.7330 N  
100-500 $0.5870  
Full Production  
N/A N/A  
N/A N  
1-24 $0.8220  
25-99 $0.6170 N  
100-500 $0.4930  
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
1-24 $0.8440  
25-99 $0.6330 N  
100-500 $0.5070  
FM93C66M8X  
FM93C66VM8  
FM93C66VM8X  
1-24 $0.9560  
25-99 $0.7170 N  
100-500 $0.5730  
1-24 $0.9780  
25-99 $0.7330 N  
100-500 $0.5870  
1-24 $0.8670  
25-99 $0.65 N  
100-500 $0.52  
FM93C66MT8  
Comm TSSOP  
8
8
Full Production N/A N/A  
Full Production N/A N/A  
1-24 $1.09  
25-99 $0.8170 N  
100-500 $0.6530  
FM93C66LZEMT8X Comm TSSOP  
3 of 4  
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Fairchild P/N FM93C66 - 4K-Bit Serial CMOS EEPROM (MICROWIRE BufisleI:n//t/e/rfoaacre)r/root/data13/imaging/BIT...804/08032000/FAIR/08022000/FM93C66.html  
1-24 $0.9780  
FM93C66LZEMT8 Comm TSSOP  
8
8
8
8
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
25-99 $0.7330 N  
100-500 $0.5870  
FM93C66EMT8  
Comm TSSOP  
Comm TSSOP  
N/A N  
N/A N  
N/A N  
FM93C66ALMT8  
FM93C66ALMT8X Comm TSSOP  
1-24 $0.80  
25-99 $0.60 N  
100-500 $0.48  
FM93C66N  
Comm MDIP  
Comm MDIP  
Comm MDIP  
Comm MDIP  
Comm MDIP  
8
8
8
8
8
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
Full Production N/A N/A  
1-24 $0.8670  
25-99 $0.65 N  
100-500 $0.52  
FM93C66EN  
FM93C66LEN  
FM93C66LN  
N/A N  
1-24 $0.8440  
25-99 $0.6330 N  
100-500 $0.5070  
1-24 $0.8670  
25-99 $0.65 N  
100-500 $0.52  
FM93C66LZN  
FM93C66DWF  
Full Production N/A N/A  
Full Production N/A N/A  
Comm  
wafer  
N/A N  
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