AT28C256-15SU_09 查看數據表（PDF） - Atmel Corporation
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AT28C256-15SU_09 Datasheet PDF : 25 Pages
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16. Page Mode Characteristics
Symbol Parameter
tWC
Write Cycle Time (option available)
tAS
Address Setup Time
tAH
Address Hold Time
tDS
Data Setup Time
tDH
Data Hold Time
tWP
Write Pulse Width
tBLC
Byte Load Cycle Time
tWPH
Write Pulse Width High
AT28C256
AT28C256F
17. Page Mode Write Waveforms(1)(2)
AT28C256
Min
Max
Units
10
ms
3
ms
0
ns
50
ns
50
ns
0
ns
100
ns
150
µs
50
ns
Notes: 1. A6 through A14 must specify the same page address during each high to low transition of WE (or CE).
2. OE must be high only when WE and CE are both low.
18. Chip Erase Waveforms
tS = tH = 5 µsec (min.)
tW = 10 msec (min.)
VH = 12.0V ± 0.5V
9
0006M–PEEPR–12/09
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