AT28C64-25SI Atmel, AT28C64-25SI Datasheet - Page 6

• Manufacturer Part Number: AT28C64-25SI
• Description: IC EEPROM 64KBIT 250NS 28SOIC
• Manufacturer: Atmel

Specifications of AT28C64-25SI

• Format - Memory: EEPROMs - Parallel
• Memory Type: EEPROM
• Memory Size: 64K (8K x 8)
• Speed: 250ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: AT28C6425SI

AC Write Characteristics
AC Write Waveforms
WE Controlled
CE Controlled
6
Symbol
t
t
t
t
t
t
t
t
AS
AH
WP
DS
DH
CS
DB
WC
, t
, t
, t
OES
CH
OEH
Parameter
Address, OE Setup Time
Address Hold Time
Write Pulse Width (WE or CE)
Data Setup Time
Data, OE Hold Time
CE to WE and WE to CE Setup and Hold Time
Time to Device Busy
Write Cycle Time (option available)
AT28C64(X)
AT28C64
AT28C64E
Min
100
10
50
50
10
0
1000
Max
200
50
1
Units
ms
ns
ns
ns
ns
ns
ns
ns
µs