參數(shù)資料
型號: W27C257P-12
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 32K X 8 EEPROM 12V, 120 ns, PQCC32
封裝: PLASTIC, LCC-32
文件頁數(shù): 3/14頁
文件大?。?/td> 153K
代理商: W27C257P-12
W27C257
Publication Release Date: September 1998
- 11 -
Revision A2
SMART ERASE ALGORITHM
Start
Vcc = 5V
Vpp = 14V
Increment X
Last
Address?
Vcc = 5V
Vpp = 5V
Compare
All Bytes to
FFs (HEX)
Pass
Device
Increment
Address
No
Fail
Device
X = 0
A9 = 14V; A0 = V
Chip Erase 100 mS Pulse
Address = First Location
Erase
Verify
X = 20?
No
Yes
Pass
Yes
IL
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