參數(shù)資料
型號(hào): W19B320STB9F
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 2M X 16 FLASH 3V PROM, 90 ns, PBGA48
封裝: TFBGA-48
文件頁(yè)數(shù): 28/52頁(yè)
文件大?。?/td> 1869K
代理商: W19B320STB9F
W19B(L)320ST/B
- 34 -
7.10 Data Polling Algorithm
START
Read DQ7-DQ0
Addr=VA
DQ7=Data?
No
DQ5=1?
Yes
No
DQ7=Data?
Read DQ7-DQ0
Addr=VA
FAIL
PASS
Yes
No
Notes:
1. VA = Valid address for programming. During a sector erase operation; a valid address is any sector address within the
sector being erased. During chip erase, a valid address is any non-protected sector address.
2. DQ7 should be rechecked even if DQ5 = “1” because DQ7 may change simultaneously with DQ5.
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