AT28HC256E ATMEL Corporation, AT28HC256E Datasheet - Page 4

• Manufacturer Part Number: AT28HC256E
• Description: 256 32K x 8 High Speed Parallel EEPROMs
• Manufacturer: ATMEL Corporation

DC and AC Operating Range
Operating Modes
Notes:
DC Characteristics
4
Operating
Temperature (Case)
V
Mode
Read
Write
Standby/Write Inhibit
Write Inhibit
Write Inhibit
Output Disable
Chip Erase
Symbol
I
I
I
I
I
V
V
V
V
LI
LO
SB1
SB2
CC
OL
OH
CC
IL
IH
Power Supply
(2)
1. X can be V
2. Refer to AC Programming Waveforms.
3. V
H
Parameter
Input Load Current
Output Leakage Current
V
V
V
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
= 12.0V
CC
CC
CC
Active Current
Standby Current TTL
Standby Current CMOS
IL
AT28HC256
or V
0.5V.
IH
.
Com.
Ind.
Mil.
Condition
V
V
CE = 2.0V to V
CE = -3.0V to V
f = 5 MHz; I
I
I
OL
OH
IN
I/O
= 6.0 mA
= -4 mA
= 0V to V
= 0V to V
AT28HC256-70
-40°C - 85°C
0°C - 70°C
CE
V
V
V
V
5V
X
X
X
IL
IL
IH
IL
OUT
CC
CC
10%
CC
= 0 mA
CC
+ 1V
+ 1V
+ 1V
AT28HC256-90, -12
AT28HC256-70
AT28HC256-90, -12
V
OE
V
V
V
X
V
X
H
IH
IH
IL
(1)
IL
(3)
AT28HC256-90
-55°C - 125°C
-40°C - 85°C
0°C - 70°C
5V
10%
Min
2.0
2.4
WE
V
V
V
V
X
X
X
IH
IH
IL
IL
AT28HC256-12
Max
0.45
-55°C - 125°C
300
0.8
-40°C - 85°C
10
10
60
80
3
0°C - 70°C
5V
10%
High Z
High Z
High Z
D
I/O
D
OUT
IN
Units
mA
mA
mA
V
V
V
V
A
A
A