AT28HC64B-70TU データシートの表示（PDF） - Atmel Corporation
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AT28HC64B-70TU
Atmel Corporation
AT28HC64B-70TU Datasheet PDF : 17 Pages
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AT28HC64B
16. Page Mode Characteristics
Symbol
tWC
tWC
tAS
tAH
tDS
tDH
tWP
tBLC
tWPH
Parameter
Write Cycle Time
Write Cycle Time (Use AT28HC64BF))
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Write Pulse Width
Byte Load Cycle Time
Write Pulse Width High
17. Page Mode Write Waveforms(1)(2)
OE
CE
WE
A0 -A12
DATA
tAS
tAH
VALID ADD
VALID DATA
tWP
tDH
tDS
tWPH
Min
Max
10
2
0
50
50
0
100
150
50
tBLC
tWC
Notes: 1. A6 through A12 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
Units
ms
ms
ns
ns
ns
ns
ns
µs
ns
tS
tH
tW
tS = tH = 5 µs (min.)
tW = 10 ms (min.)
VH = 12.0 V ±0.5 V
9
0274L–PEEPR–2/3/09
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