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參數資料
型號: W49F020P-90B
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 256K X 8 CMOS FLASH MEMORY
中文描述: 256K X 8 FLASH 5V PROM, 90 ns, PQCC32
封裝: PLASTIC, LCC-32
文件頁數: 7/21頁
文件大小: 190K
代理商: W49F020P-90B
Preliminary W49F020
Publication Release Date: October 1999
- 7 -
Revision A1
Command Codes for Chip Erase
BYTE SEQUENCE
1 Write
2 Write
3 Write
4 Write
5 Write
6 Write
ADDRESS
5555H
2AAAH
5555H
5555H
2AAAH
5555H
DATA
AAH
55H
80H
AAH
55H
10H
Chip 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
Exit
Pause 1 Sec.
Load data 10
to
address 5555
Notes for chip erase:
Data Format: DQ7
DQ0 (Hex)
Address Format: A14
A0 (Hex)
相關PDF資料
PDF描述
W49F020-70 Circular Connector; Body Material:Aluminum; Series:PT07; No. of Contacts:8; Connector Shell Size:12; Connecting Termination:Crimp; Circular Shell Style:Jam Nut Receptacle; Circular Contact Gender:Pin; Insert Arrangement:12-8
W49F020Q-70B 256K X 8 CMOS FLASH MEMORY
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相關代理商/技術參數
參數描述
W49F020Q-70 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY
W49F020Q-70B 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY
W49F020Q-90 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY
W49F020Q-90B 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY
W49F020T-70B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM