29C040 查看數據表（PDF） - Atmel Corporation
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29C040 Datasheet PDF : 11 Pages
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Program Cycle Characteristics
Symbol
Parameter
Min
tWC
Write Cycle Time
tAS
Address Set-up Time
10
tAH
Address Hold Time
50
tDS
Data Set-up Time
50
tDH
Data Hold Time
10
tWP
Write Pulse Width
90
tBLC
Byte Load Cycle Time
tWPH
Write Pulse Width High
100
Program Cycle Waveforms (1, 2, 3)
AT29C040A
Max
Units
10
ms
ns
ns
ns
ns
ns
150
µs
ns
Notes: 1. A8 through A18 must specify the sector address
during each high to low transition of WE (or CE).
2. OE must be high when WE and CE are both low.
3. All bytes that are not loaded within the sector being
programmed will be indeterminate.
4-171
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