28C256 查看數據表（PDF） - Atmel Corporation
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28C256 Datasheet PDF : 14 Pages
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AC Write Characteristics
Symbol
Parameter
tAS, tOES
Address, OE Set-up Time
tAH
Address Hold Time
tCS
Chip Select Set-up Time
tCH
Chip Select Hold Time
tWP
Write Pulse Width (WE or CE)
tDS
Data Set-up Time
tDH, tOEH
Data, OE Hold Time
tDV
Time to Data Valid
Note: 1. NR = No Restriction
AC Write Waveforms
WE Controlled
Min
0
50
0
0
100
50
0
NR (1)
Max
Units
ns
ns
ns
ns
ns
ns
ns
CE Controlled
2-222
AT28C256
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