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27C256 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # 27C256
Description  262,144-Bit (32K x 8) High Performance CMOS EPROM
PDF  12 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

27C256 Datasheet(HTML) 3 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Storage Temperature
b
65 Cto a150 C
All Input Voltages except A9 with
Respect to Ground
b
06V to a7V
VPP and A9 with Respect
to Ground
b
07V to a14V
VCC Supply Voltage with
Respect to Ground
b
06V to a7V
ESD Protection
l
2000V
All Output Voltages with
Respect to Ground
VCC a 10V to GND b06V
Operating Range
Range
Temperature
VCC
Comm’l
0 Cto a70 C
a
5V g10%
Industrial
b
40 Cto a85 C
a
5V g10%
Military
b
55 Cto a125 C
a
5V g10%
Read Operation
DC Electrical Characteristics Over Operating Range with VPP e VCC
Symbol
Parameter
Test Conditions
Min
Max
Units
VIL
Input Low Level
b
05
08
V
VIH
Input High Level
20
VCC a 1V
VOL
Output Low Voltage
IOL e 21 mA
04
V
VOH
Output High Voltage
IOH eb25 mA
35
V
ISB1
VCC Standby Current
CE e VCC g03V
100
m
A
(Note 11)
(CMOS)
ISB2
VCC Standby Current (TTL)
CE e VIH
1mA
ICC1
VCC Active Current
CE e OE e VIL f e 5 MHz
35
mA
TTL Inputs
Inputs e VIH or VIL IO e 0mA
IPP
VPP Supply Current
VPP e VCC
10
m
A
VPP
VPP Read Voltage
VCC b 07
VCC
V
ILI
Input Load Current
VIN e 55V or GND
b
11
m
A
ILO
Output Leakage Current
VOUT e 55V or GND
b
10
10
m
A
AC Electrical Characteristics Over Operating Range with VPP e VCC
Symbol
Parameter
100
120
150
200
Units
Min
Max
Min
Max
Min
Max
Min
Max
tACC
Address to Output Delay
100
120
150
200
ns
tCE
CE to Output Delay
100
120
150
200
tOE
OE to Output Delay
50
50
50
50
tDF
Output Disable to
30
35
45
55
(Note 2)
Output Float
tOH
Output Hold from Addresses
(Note 2)
CE or OE
0
0
0
0
Whichever Occurred First
3



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