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| 型號： | TMS27C020-12JE |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | READ-ONLY MEMORIES |
| 中文描述： | 只讀存儲器 |
| 文件頁數(shù)： | 5/15頁 |
| 文件大小： | 206K |
| 代理商： | TMS27C020-12JE |
TMS27C020 262144 BY 8-BIT UV ERASABLE
TMS27PC020 262144 BY 8-BIT
PROGRAMMABLE READ-ONLY MEMORIES
SMLS020C – NOVEMBER 1990 – REVISED SEPTEMBER 1997
5
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
Start
Address = First Location
VCC = 6.5 V
±
0.25 V, VPP = 13 V
±
0.25 V
Last
Address
Address = First Location
X = 0
VCC = VPP = 5 V
±
0.5 V
Compare
All Bytes
to Original
Data
Device Passed
Increment Address
Increment
Address
Verify
One Byte
Program One Pulse = tw = 100
μ
s
No
X = 10
X = X + 1
Last
Address
Device Failed
Pass
No
Yes
Yes
Fail
Fail
Pass
No
Program
Mode
Interactive
Mode
Final
Verification
Yes
Program One Pulse = tw = 100
μ
s
Figure 1. SNAP! Pulse Programming Flowchart
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