AT29C257-12 ATMEL Corporation, AT29C257-12 Datasheet - Page 6

• Manufacturer Part Number: AT29C257-12
• Description: 256K 32K x 8 5-volt Only CMOS Flash Memory
• Manufacturer: ATMEL Corporation

AC Byte Load Waveforms
AC Byte Load Characteristics
4-110
WE Controlled
CE Controlled
Symbol
t
t
t
t
t
t
t
t
AS
AH
CS
CH
WP
DS
DH
WPH
, 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
Write Pulse Width High
AT29C257
Min
100
50
90
35
0
0
0
0
Max
Units
ns
ns
ns
ns
ns
ns
ns
ns