参数资料
型号: W49F002U-90
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 256K X 8 FLASH 5V PROM, 90 ns, PDIP32
封装: PLASTIC, DIP-32
文件页数: 23/23页
文件大小: 303K
代理商: W49F002U-90
W49F002U
Publication Release Date: April 2000
- 9 -
Revision A2
Command Codes for Sector Erase
BYTE SEQUENCE
ADDRESS
DATA
1 Write
5555H
AAH
2 Write
2AAAH
55H
3 Write
5555H
80H
4 Write
5555H
AAH
5 Write
2AAAH
55H
6 Write
SA*
30H
Sector Erase Acquisition Flow
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 30
to
address SA*
Exit
Pause TEC
Notes for chip erase:
Data Format: DQ7
DQ0 (Hex)
Address Format: A14
A0 (Hex)
SA : For details, see the page 6 .
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