M27C256B-12F6 STMicroelectronics, M27C256B-12F6 Datasheet - Page 15

• Manufacturer Part Number: M27C256B-12F6
• Description: IC EPROM 256KBIT 120NS 28CDIP
• Manufacturer: STMicroelectronics

Specifications of M27C256B-12F6

• Format - Memory: EPROMs
• Memory Type: UV EPROM
• Memory Size: 256K (32K x 8)
• Speed: 120ns
• 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
• Capacitance, Input: 6 pF
• Capacitance, Output: 12 pF
• Current, Input, Leakage: ±10 μA (Read)
• Current, Operating: 30 mA (Read)
• Current, Output, Leakage: ±10 μA (Read)
• Current, Supply: 30 mA
• Density: 256K
• Organization: 32K×8
• Package Type: FDIP28W
• Temperature, Operating: -40 to +85 °C
• Temperature, Operating, Maximum: 85 °C
• Temperature, Operating, Minimum: -40 °C
• Time, Access: 120 ns
• Time, Fall: ≤20 ns
• Time, Programmable: 100 μA
• Time, Rise: ≤20 ns
• Voltage, Input, High: 6 V (Read)
• Voltage, Input, High Level: 2 V (Min.)
• Voltage, Input, Low: 0.8 V (Read)
• Voltage, Input, Low Level: 0.8 V (Typ.)
• Voltage, Output, High: 4.3 V (Read)
• Voltage, Output, Low: 0.4 V (Read)
• Voltage, Programmable: 12.75 V ± 0.25 V
• Voltage, Supply: 5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1647-5

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
15/24