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5962-8863401XX_ データシートの表示(PDF) - Atmel Corporation
部品番号
コンポーネント説明
メーカー
5962-8863401XX_
256 (32K x 8) High Speed CMOS E2PROM
Atmel Corporation
5962-8863401XX_ Datasheet PDF : 12 Pages
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AT28HC256
Page Mode Write Characteristics
Symbol
Parameter
Min
Typ
Max
Units
t
WC
Write Cycle Time
AT28HC256
AT28HC256F
5
10
ms
2
3.0
ms
t
AS
Address Set-up Time
0
ns
t
AH
Address Hold Time
50
ns
t
DS
Data Set-up Time
50
ns
t
DH
Data Hold Time
0
ns
t
WP
Write Pulse Width
100
ns
t
BLC
Byte Load Cycle Time
150
µ
s
t
WPH
Write Pulse Width High
50
ns
Page Mode Write Waveforms
(1, 2)
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.
Chip Erase Waveforms
t
S
= t
H
= 5
µ
sec (min.)
t
W
= 10 msec (min.)
V
H
= 12.0V
±
0.5V
2-285
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