AT28C040-25BI Atmel, AT28C040-25BI Datasheet - Page 6

• Manufacturer Part Number: AT28C040-25BI
• Description: IC EEPROM 4MBIT 250NS 32CDIP
• Manufacturer: Atmel

Specifications of AT28C040-25BI

• Format - Memory: EEPROMs - Parallel
• Memory Type: EEPROM
• Memory Size: 4M (512K x 8)
• Speed: 250ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-CDIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: AT28C04025BI

AC Write Characteristics
AC Write Waveforms
WE Controlled
CE Controlled
6
Symbol
t
t
t
t
t
t
t
AS
AH
CS
CH
WP
DS
DH
, t
, t
OES
OEH
Parameter
Address, OE Set-up Time
Address Hold Time
Chip Select Set-up Time
Chip Select Hold Time
Write Pulse Width (WE or CE)
Data Set-up Time
Data, OE Hold Time
AT28C040
Min
100
50
50
0
0
0
0
Max
Units
ns
ns
ns
ns
ns
ns
ns