M27C256B-90F6 STMicroelectronics, M27C256B-90F6 Datasheet - Page 15

• Manufacturer Part Number: M27C256B-90F6
• Description: IC EPROM 256KBIT 90NS 28CDIP
• Manufacturer: STMicroelectronics

Specifications of M27C256B-90F6

• Format - Memory: EPROMs
• Memory Type: UV EPROM
• Memory Size: 256K (32K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-CDIP (0.600", 15.24mm) Window
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1656-5

M27C256B
Table 8.
1. T
2. V
Symbol
V
V
I
V
V
I
V
A
CC
I
CC
PP
OH
LI
OL
IH
ID
IL
= 25 °C; V
must be applied simultaneously with or before V
Input Leakage Current
Supply Current
Program Current
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage TTL
A9 Voltage
Programming mode DC characteristics
CC
= 6.25V ± 0.25V; V
Parameter
PP
= 12.75V ± 0.25V.
Test Condition
V
I
I
OL
OH
IL
PP
E = V
= 2.1mA
= –1mA
V
and removed simultaneously or after V
IN
IL
V
IH
(1) (2)
–0.3
11.5
Min
3.6
2
DC and AC parameters
V
CC
12.5
Max
±10
0.8
0.4
50
50
+ 0.5
PP
.
Unit
mA
mA
µA
V
V
V
V
V
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