User guide

AT28BV256
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 Set-up Time 0 ns
t
AH
Address Hold Time 50 ns
t
CS
Chip Select Set-up Time 0 ns
t
CH
Chip Select Hold Time 0 ns
t
WP
Write Pulse Width (WE or CE) 200 ns
t
DS
Data Set-up Time 50 ns
t
DH
, t
OEH
Data, OE Hold Time 0 ns
t
DV
Time to Data Valid NR
(1)
t
OEH
t
AS
t
AH
t
CH
t
CS
t
WPH
t
WP
t
DV
t
DS
t
DH
t
OES
t
OES
t
OEH
t
AH
t
CH
t
WPH
t
DH
t
AS
t
CS
t
WP
t
DV
t
DS