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參數資料
| 型號： | W27C20-70 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; Body Material:Aluminum; Series:PT07; No. of Contacts:3; Connector Shell Size:12; Connecting Termination:Crimp; Circular Shell Style:Jam Nut Receptacle; Circular Contact Gender:Socket; Insert Arrangement:12-3 |
| 中文描述： | 256K × 8電可擦除只讀存儲器 |
| 文件頁數： | 11/14頁 |
| 文件大小： | 160K |
| 代理商： | W27C20-70 |
Preliminary W27C020
Publication Release Date: September 1998
- 11 -
Revision A1
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
Fail
Fail
Device
X = 0
A9 = 14V; A0 = V
Chip Erase 100 mS Pulse
Address = First Location
Erase
Verify
X = 20
No
Yes
Pass
Pass
Yes
IL
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