5962-8863401UX Просмотр технического описания (PDF) - Atmel Corporation
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5962-8863401UX Datasheet PDF : 25 Pages
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16. Page Mode Write Characteristics
Symbol
tWC
Parameter
Write Cycle Time (option available)
AT28HC256
AT28HC256F
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
17. Page Mode Write Waveforms(1)(2)
AT28HC256
Min
Typ
Max
Units
5
10
ms
2
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
0007J–PEEPR–04/05
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