A276308 [AMICC]
64K X 8 OTP CMOS EPROM; 64K ×8 OTP EPROM CMOS
| 型号： | A276308 |
| 厂家： | 
AMIC TECHNOLOGY |
| 描述： | 64K X 8 OTP CMOS EPROM |
| 文件： | 总14页 (文件大小：172K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
A276308A
64K X 8 OTP CMOS EPROM
Document Title
64K X 8 OTP CMOS EPROM
Revision History
Rev. No. History
Issue Date
Remark
0.0
0.1
1.0
Initial issue
March 24, 2000
March 14, 2001
December 17, 2001
Preliminary
Change Program Verify VCC to 6.25V
Final spec release
(December, 2001, Version 1.0)
AMIC Technology, Inc.
A276308A
64K X 8 OTP CMOS EPROM
Features
n65,536 X 8 bit organization
nProgramming voltage: 12.75V
nAll inputs and outputs are directly TTL-compatible
nAvailable in 28-pin DIP and 32-PLCC packages
nAccess time: 55/70/90 ns (max.)
nCurrent: Operating: 30mA (max.) at 5MHz
Standby:
100mA (max.)
General Description
The A276308A chip is a high-performance 524,288 bit
one-time programmable read only memory (OTP
EPROM) organized as 64K by 8 bits. The A276308A
requires only 5V power supply in normal read mode
operation and any input signals are TTL levels. The
A276308A is available in industry standard 28 pin dual-in-
line and 32 lead PLCC packages.
Pin Configurations
nDIP
nPLCC
1
VCC
A14
A13
28
27
26
A15
A12
A7
2
3
4
A6
5
29
28
27
26
A8
A8
A6
A5
A4
25
24
23
A9
A9
A5
A4
6
7
5
6
A11
NC
A11
A3
A2
A1
A0
8
A3
7
22
OE / VPP
A10
A276308AL
25
24
9
OE / VPP
A10
A2
A1
8
21
20
19
18
10
11
9
CE
23
22
21
CE
10
11
12
13
A0
I/O7
I/O6
I/O7
NC
12
13
I/O0
I/O1
I/O2
I/O6
I/O0
17
16
15
I/O5
I/O4
I/O3
GND
14
(December, 2001, Version 1.0)
1
AMIC Technology, Inc.
A276308A
Pin Configurations
Pin Name
A0-A15
Function
Address Inputs
I/O7-I/O0
Data Inputs / Outputs
Chip Enable
CE
Output Enable / Program Power Supply
OE / VPP
VCC
Power Supply
Ground
GND
NC
No Internal Connection
Operating Modes and Truth Table
Mode
A0
A1
A9
VCC
I/O7-I/O0
CE
VIL
VIL
VIH
VIL
VIL
VIH
VIL
VIL
VIL
OE / VPP
VIL
Read
X
X
X
X
X
X
VCC
VCC
VCC
6.25V
6.25V
6.25V
VCC
VCC
VCC
Data Out
Hi-Z
Output Disable
Standby
VIH
X
X
X
X
Hi-Z
Program
12.75V
VIL
X
X
X
Data In
Data Out
Hi-Z
Program Verify
Program Inhibit
Manufacturer Code(3)
Device Code(3)
Continuation Code(3)
X
X
X
12.75V
VIL
X
X
X
VIL
VIH
VIL
VIL
VIL
VIH
VID
VID
VID
37H
VIL
2CH
VIL
7FH
Notes:
1. X = Either VIH or VIL.
2. VID = 12V ± 0.5V.
3. A2 ~ A8 = A10 ~ A15 = VIL (For auto identification)
(December, 2001, Version 1.0)
2
AMIC Technology, Inc.
A276308A
Functional Description
Read Mode
Auto Identify Mode
The A276308A has two control functions, both of which
must be logically active in order to obtain data at the
The auto identify mode allows the reading out of a binary
code from a EPROM that will identify its manufacturer and
type. This mode is intended for use by programming
equipment for the purpose of automatically matching the
device to be programmed with its corresponding
programming algorithm.
outputs. CE is the power control and should be used for
device selection. OE is the output control and should be
used to data to the output pins, which is independent of
device selection. Assuming that addresses are stable,
address access time (tAA) is equal to the delay from CE
to output (tCE). Data is available at the output after a delay
To activate the mode, the programming equipment must
apply 12.0V ± 0.5V on address line A9 of the A276308A.
Three identification code can be read from data output pin
by toggling A0 and A1. The other addresses must be held
at VIL during this mode. Byte 0 (with A0 at VIL, A1 at VIL)
represents the manufacturer code which is 37H. Byte 1
and Byte 2 represent the device code and continuation
code, which is 2CH and 7FH respectively. All identifiers for
these codes will possess odd parity, with MSB (IO7)
defined the parity bit.
(tOE) from the falling edge of OE , as long as CE has
been low and the addresses have been stable for at least
tAA - tOE.
Standby Mode
The A276308A has a standby mode which reduces the
active current from 30mA to 100mA. The A276308A is
placed in the standby mode by applying a CMOS high
signal to CE . When in the standby mode, the output are
in a high impedance state, independent of the OE .
Absolute Maximum Ratings*
*Comments
Stresses above those listed under "Absolute Maximum
Ratings" may cause permanent damage to this device.
These are stress ratings only. Functional operation of this
device at these or any other conditions above those
indicated in the operational sections of this specification
is not implied or intended. Exposure to the absolute
maximum rating conditions for extended periods may
affect device reliability.
Ambient Operating Temperature (TA) . . . . -10°C to +85°C
Storage Temperature Plastic Package (TSTG) . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55°C to 125°C
Applied Input Voltage (VI):
All Pins Except A9, VPP and VCC . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . -0.6V to VCC + 0.6V
A9, VPP . . . . . . . . . . . . . . . . . . . . . . . . -0.6V to 13.5V
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.6V to 7.0V
Output Voltage (VO) . . . . . . . . . . . . -0.6V to 7.0V (Note 1)
Notes:
1. During voltage transitions, the input may undershoot GND to -2.0V for periods less than 20 ns. Maximum DC voltage on
input and I/O may overshoot to VCC + 2.0V for periods less than 20 ns.
2. When transitions, A9 and VPP may undershoot GND to -2.0V for periods less than 20 ns. Maximum DC input voltage
on A9 and VPP is +13.5V which may overshoot to 14.0V for period less than 20 ns.
(December, 2001, Version 1.0)
3
AMIC Technology, Inc.
A276308A
Read Mode DC Electrical Characteristics (Ta = 0°C to 70°C, VCC = 5V ± 10%, VPP = VCC)
Symbol
VOH
VOL
VIH
Parameter
Output High Voltage
Min.
Max.
Unit
V
Conditions
IOH = -400mA
2.4
Output Low Voltage
Input High Voltage
Input Low Voltage
Input Leakage Current
0.4
VCC + 0.5
0.8
V
IOL = 2.1mA
2.0
-0.5
-1
V
VIL
V
ILI
+1
VCC = max.
Vin = 0V to VCC
mA
VCC = max.
Vout = 0V to VCC
ILO
ICC
Output Leakage Current
-1
+1
30
mA
VCC = max.
VCC Read Operating Current
mA
CE = VIL, OE = VIL
Iout = 0mA, at 5MHz
ISB
VCC Standby Current (TTL)
VCC Standby Current (CMOS)
1
mA
VCC = max. CE = VIH
VCC = max.
ISB1
100
mA
CE = VCC - 0.2V
CE = OE = VIL,
VPP = VCC
IPP
IID
VPP Current During Read
A9 Auto Select Current
10
mA
mA
100
A9 = VID, VCC = max.
Capacitance (TA = 25°C, f = 1.0MHz)
Symbol
CIN
Parameter
Input Capacitance
Output Capacitance
Min.
Max.
Unit
Conditions
VIN = 0V
8
8
pF
pF
COut
VOut = 0V
* These parameters are sampled and not 100% tested.
(December, 2001, Version 1.0)
4
AMIC Technology, Inc.
A276308A
Read Mode AC Characteristics (Ta = 0°C to 70°C, VCC = 5V ± 10%, VPP = VCC)
55ns
70ns
90ns
Symbol
Parameter
Unit
Min.
Max.
Min.
Max.
Min.
Max.
tCYC
tAA
tCE
Cycle Time
55
70
90
ns
Address Access Time
55
55
30
70
70
35
90
90
40
ns
ns
ns
ns
Chip Enable Access Time
Output Enable Access Time
tOE
tOH
0
0
0
Output Hold after Address, CE or
OE , whichever Occurred First
tHZ
Output High Z Delay
20
20
25
ns
Read Mode Switching Waveforms
tCYC
ADDRESS
Address Valid
CE
tCE
OE / VPP
tHZ
tOE
tOH
tAA
High-Z
Valid
Output
OUTPUT
(December, 2001, Version 1.0)
5
AMIC Technology, Inc.
A276308A
AC Measurement Conditions
for 55 ns •Input Rise and Fall Times £ 10 ns
‚Input Pulse Voltage: 0V to 3Volt
ƒInput and Output Timing Ref. Voltage: 1.5Volt
3.0V
TEST
POINTS
1.5V
1.5V
0V
INPUT
OUTPUT
for 70/90 ns •Input Rise and Fall Times £ 10 ns
‚Input Pulse Voltage: 0.4V to 2.4Volt
ƒInput and Output Timing Ref. Voltage: 0.8V to 2.0Volt
2.4V
0.4V
2.0V
2.0V
0.8V
TEST
POINTS
0.8V
INPUT
OUTPUT
AC Testing Load Circuit
1.3V
1N914
3.3KW
DEVICE
UNDER
TEST
OUT
CL = 30pF or 100pF
CL = 30pF for 55 ns
CL = 100pF for 70/90 ns
CL includes JIG capacitance
(December, 2001, Version 1.0)
6
AMIC Technology, Inc.
A276308A
an additional pulse programming is applied for
maximum of 25 pulses. On completion of 1 byte
programming and, The verified address is incremented.
After the final address is completed, all bytes are verified
again with VCC = 5.0 Volt.
a
Programming and Program Verify
The programming flowchart is shown in Page 10.
The A276308A is shipped with all bits being set to "1".
Programming causes relevant bits to be changed to "0".
The programming mode is started by setting VCC to
Program Inhibit
6.25V, OE /VPP to +12.75V and CE is at VIL. Data to
be programmed can be directly input in the 8 bit format
through the data bus.
This mode is used to program one of multiple A276308A
whose VCC, address bus and data bus are connected in
parallel. When programming is performed, other
A276308A can be inhibited from being programmed by
The write programming algorithm reduces programming
time by using 100ms pulse followed by a byte verification
to determine whether the byte has been successfully
programmed. If the data does not pass the verification,
setting their CE pins to VIH and OE /VPP pins to
+12.75V.
Programming Mode DC Characteristics (Ta = 0°C to 70°C, VCC = 6.25V ± 0.25V, VPP = 12.75V ± 0.25V)
Symbol
VOH
VOL
VIH
Parameter
Output High Voltage
Min.
Max.
Unit
V
Test Conditions
IOH = -400mA
2.4
Output Low Voltage
0.4
VCC + 0.5
0.8
V
IOL = 2.1mA
Input High Voltage
2.0
-0.5
-1
V
VIL
Input Low Voltage
V
ILI
Input Leakage Current
VCC Current During Program
VPP Current During Program
+1
VCC = max. Vin = 0V to VCC
mA
mA
mA
ICC
50
IPP
50
CE = VIL
A9 = VID
VID
A9 Auto Select Voltage
Programming Supply Voltage
Programming Voltage
11.5
6.0
12.5
6.5
13
V
V
V
VCC1
VPP1
12.5
Note: VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP.
(December, 2001, Version 1.0)
7
AMIC Technology, Inc.
A276308A
Programming Mode AC Characteristics (Ta = 0°C to 70°C, VCC= 6.25V ± 0.25V, VPP = 12.75V ± 0.25V)
Symbol
tAS
Parameter
Address Valid to Program Low
Input Valid to Program Low
VPP Set up Time
Min.
2
Max.
Unit
ms
ms
ms
ms
ms
ms
ms
ns
tDS
2
tVPS
tVCS
tPW
2
VCC Set up Time
2
Program Pulse Width
Data Hold Time
95
2
105
tDH
tVR
2
OE / VPP Recovery Time
tDV
100
130
Data Valid from CE
tDFP
tAH
Chip Enable to Output Float Delay
Address Hold Time
ns
ns
0
(December, 2001, Version 1.0)
8
AMIC Technology, Inc.
A276308A
Programming and Verify Mode AC Waveforms
PROGRAM VERIFY
PROGRAM
VIH
VIL
ADDRESS
DATA
VALID
tAS
Hi-Z
DATA IN
DATA OUT
tDS
tDH
tDV
tDFP
VPP1
OE / VPP
VCC
tVPS
tVPS
VCC1
VCC
CE
VCC
tVCS
tAH
tPW
VIL
VIH
tVR
(December, 2001, Version 1.0)
9
AMIC Technology, Inc.
A276308A
Programming Flowchart
START
ADDRESS=FIRST LOCATION
VCC=6.25V
VPP=12.75V
INTERACTIVE
SECTION
X = 0
PROGRAM ONE 100µs PULSE
INCREMENT X
YES
X = 25?
NO
FAIL
FAIL
VERIFY BYTE
PASS
VERIFY BYTE
PASS
NO
INCREMENT ADDRESS
LAST ADDRESS
YES
VCC=VPP=5.0V
VERIFY
SECTION
FAIL
VERIFY ALL
BYTES ?
DEVICE FAILED
PASS
DEVICE PASSED
(December, 2001, Version 1.0)
10
AMIC Technology, Inc.
A276308A
Ordering Information
Part No.
Operating Current
Max. (mA) at 5MHz
Standby Current
Access Time (ns)
Package
Max. (mA)
A276308A-55
A276308AL-55
A276308A-70
A276308AL-70
A276308A-90
A276308AL-90
55
55
70
70
90
90
30
30
30
30
30
30
100
100
100
100
100
100
28Pin DIP
32Pin PLCC
28Pin DIP
32Pin PLCC
28Pin DIP
32Pin PLCC
(December, 2001, Version 1.0)
11
AMIC Technology, Inc.
A276308A
Package Information
P-DIP 28L Outline Dimensions
unit: inches/mm
D
28
15
1
14
E
S
Base Plane
Seating Plane
B
e
A
a
e
B1
Dimensions in inches
Dimensions in mm
Symbol
Min
-
Nom
Max
0.210
-
Min
Nom
Max
5.33
A
-
-
-
-
-
A1
A2
0.010
0.150
0.25
3.81
-
0.155
0.160
3.94
4.06
B
0.016
0.058
0.018
0.060
0.022
0.064
0.41
1.47
0.46
1.52
0.56
1.63
0.36
B1
C
D
0.008
-
0.010
1.460
0.014
1.470
0.20
-
0.25
37.08
37.34
15.49
13.97
2.79
E
E1
e
0.590
0.540
0.090
0.120
0°
0.600
0.545
0.100
0.130
-
0.610
0.550
0.110
0.140
15°
14.99
13.72
2.29
3.05
0°
15.24
13.84
2.54
3.30
-
L
3.56
15°
a
eA
S
0.630
-
0.650
-
0.670
0.090
16.00
-
16.51
-
17.02
2.29
Notes:
1. The maximum value of dimension D includes end flash.
2. Dimension E1 does not include resin fins.
3. Dimension S includes end flash.
(December, 2001, Version 1.0)
12
AMIC Technology, Inc.
A276308A
Package Information
PLCC 32L Outline Dimension
unit: inches/mm
HD
D
13
5
4
14
1
32
20
30
29
21
b
e
b
1
GE
y
q
GD
Dimensions in inches
Dimensions in mm
Symbol
Min
-
Nom
-
Max
0.134
-
Min
Nom
-
Max
A
A1
A2
b1
b
-
3.40
-
0.0185
0.105
0.026
0.016
0.008
0.547
0.447
0.044
0.490
0.390
0.585
0.485
0.075
-
-
0.47
2.67
0.66
0.41
0.20
13.89
11.35
1.12
12.45
9.91
14.86
12.32
1.91
-
-
0.110
0.028
0.018
0.010
0.550
0.450
0.050
0.510
0.410
0.590
0.490
0.090
-
0.115
0.032
0.021
0.014
0.553
0.453
0.056
0.530
0.430
0.595
0.495
0.095
0.003
10°
2.80
0.71
0.46
0.254
13.97
11.43
1.27
12.95
10.41
14.99
12.45
2.29
-
2.93
0.81
0.54
0.35
14.05
11.51
1.42
13.46
10.92
15.11
12.57
2.41
0.075
10°
C
D
E
e
GD
GE
HD
HE
L
y
q
0°
-
0°
-
Notes:
1. Dimensions D and E do not include resin fins.
2. Dimensions GD & GE are for PC Board surface mount pad pitch
design reference only.
(December, 2001, Version 1.0)
13
AMIC Technology, Inc.
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