Rainbow Electronics AT28C64X - Manual (Page 6)

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