Ac write characteristics, Ac write waveforms, We controlled – Rainbow Electronics AT28C64X User Manual
Page 6: Ce controlled, At28c64(x), We controlled ce controlled
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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
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