User Manual

AT28C040
4
Notes: 1. X can be V
IL
or V
IH
.
2. Refer to AC Programming Waveforms.
DC and AC Op er ating Range
AT28C040-20 AT28C040-25
Operation Operation
Read Program Read Program
Operating
Temperature
(Case)
Commercial 0°C - 70°C 0°C - 70°C 0°C - 70°C 0°C - 70°C
Industrial -40°C - 85°C -40°C - 85°C -40°C - 85°C -40°C - 85°C
Extended -55°C - 125°C -40°C - 85°C -55°C - 125°C -40°C - 85°C
V
CC
Power Supply 5V ± 10% 5V ± 10% 5V ± 10% 5V ± 10%
Operating Modes
Mode CE OE WE I/O
Read V
IL
V
IL
V
IH
D
OUT
Write
(2)
V
IL
V
IH
V
IL
D
IN
Standby/Write Inhibit V
IH
X
(1)
X High Z
Write Inhibit X X V
IH
Write Inhibit X V
IL
X
Output Disable X V
IH
X High Z
DC Characteristics
Symbol Parameter Condition Min Max Units
I
LI
Input Load Current V
IN
= 0V to V
CC
+ 1V 10 µA
I
LO
Output Leakage Current V
I/O
= 0V to V
CC
10 µA
I
SB1
V
CC
Standby Current CMOS CE = V
CC
- 0.3V to V
CC
+ 1V 3 mA
I
SB2
V
CC
Standby Current TTL CE = 2.0V to V
CC
+ 1V 3 mA
I
CC
V
CC
Active Current f = 5 MHz; I
OUT
= 0 mA 80 mA
V
IL
Input Low Voltage 0.8 V
V
IH
Input High Voltage 2.0 V
V
OL
Output Low Voltage I
OL
= 2.1 mA 0.45 V
V
OH1
Output High Voltage I
OH
= -400 µA2.4V
V
OH2
Output High Voltage CMOS I
OH
= -100 µA; V
CC
= 4.5V 4.2 V