参数资料
型号: W49F002U-90BN
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: 3/27页
文件大小: 233K
代理商: W49F002U-90BN
W49F002U
Publication Release Date: February 21, 2002
- 11 -
Revision A6
Embedded #Data Polling Algorithm
Start
Read Byte
(DQ0 - DQ7)
Address = VA
Pass
DQ7 = Data
?
Yes
No
VA = Byte address for programming
= Any of the sector addresses within
the sector being erased during sector
erase operation
= Valid address equals any sector group
address during chip erase
Embedded Toggle Bit Algorithm
Start
Read Byte
(DQ0 - DQ7)
Address = Don't Care
DQ6 = Toggle
?
Yes
No
Pass
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