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W49F020-70 Datasheet(PDF) 6 Page - Winbond

Part # W49F020-70
Description  256K X 8 CMOS FLASH MEMORY
Download  21 Pages
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W49F020-70 Datasheet(HTML) 6 Page - Winbond

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Preliminary W49F020
- 6 -
Command Codes for Byte Program
WORD SEQUENCE
ADDRESS
DATA
0 Write
5555H
AAH
1 Write
2AAAH
55H
2 Write
5555H
A0H
3 Write
Programmed-Address
Programmed-Data
Byte Program Flow Chart
Byte Program
Command Flow
Load data AA
to
address 5555
Load data 55
to
address 2AAA
Load data A0
to
address 5555
Load data Din
to
programmed-
address
Pause 50
S
Exit
µ
Notes for software program code:
Data Format: DQ7
−DQ0 (Hex
Address Format: A14
−A0 (Hex)


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