User guide

AT28C256
6
Note: 1. NR = No Restriction
AC Write Waveforms
WE Controlled
CE Controlled
AC Write Characteristics
Symbol Parameter Min Max Units
t
AS
, t
OES
Address, OE Setup Time 0 ns
t
AH
Address Hold Time 50 ns
t
CS
Chip Select Setup Time 0 ns
t
CH
Chip Select Hold Time 0 ns
t
WP
Write Pulse Width (WE or CE) 100 ns
t
DS
Data Setup Time 50 ns
t
DH
, t
OEH
Data, OE Hold Time 0 ns
t
DV
Time to Data Valid NR
(1)