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W29F020Q-70B 查看數據表(PDF) - Winbond
零件编号
产品描述 (功能)
生产厂家
W29F020Q-70B
256K x 8 CMOS FLASH MEMORY
Winbond
W29F020Q-70B Datasheet PDF : 21 Pages
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Preliminary W49F020
Command Codes for Chip Erase
BYTE SEQUENCE
1 Write
2 Write
3 Write
4 Write
5 Write
6 Write
Chip Erase Acquisition Flow
ADDRESS
5555H
2AAAH
5555H
5555H
2AAAH
5555H
Load data AA
to
address 5555
Load data 55
to
address 2AAA
Load data 80
to
address 5555
Load data AA
to
address 5555
Load data 55
to
address 2AAA
Load data 10
to
address 5555
Pause 1 Sec.
Exit
Notes for chip erase:
Data Format: DQ7
−
DQ0 (Hex)
Address Format: A14
−
A0 (Hex)
DATA
AAH
55H
80H
AAH
55H
10H
Publication Release Date: October 1999
-7-
Revision A1
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