AT28C256-25JI ATMEL [ATMEL Corporation], AT28C256-25JI Datasheet - Page 6

• Manufacturer Part Number: AT28C256-25JI
• Description: 256K 32K x 8 Paged CMOS E2PROM
• Manufacturer: ATMEL [ATMEL Corporation]

AC Write Waveforms
WE Controlled
AC Write Characteristics
CE Controlled
Note:
2-222
Symbol
t
t
t
t
t
t
t
t
AS
AH
CS
CH
WP
DS
DH
DV
, t
, t
1. NR = No Restriction
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
Time to Data Valid
AT28C256
NR
Min
100
50
50
0
0
0
0
(1)
Max
Units
ns
ns
ns
ns
ns
ns
ns