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參數(shù)資料
| 型號(hào)： | TS80C58X2 |
| 廠商： | Atmel Corp. |
| 英文描述： | 8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP |
| 中文描述： | 8位CMOS微控制器16/32字節(jié)ROM /雙層 |
| 文件頁數(shù)： | 39/58頁 |
| 文件大?。?/td> | 1039K |
| 代理商： | TS80C58X2 |
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Rev. C - 15 January, 2001
39
TS80C54X2/C58X2
TS87C54X2/C58X2
Figure 12. Programming and Verification Signal’s Waveform
8.4 EPROM Erasure (Windowed Packages Only)
Erasing the EPROM erases the code array, the encryption array and the lock bits returning the parts to full
functionality.
Erasure leaves all the EPROM cells in a 1’s state (FF).
8.4.1 Erasure Characteristics
The recommended erasure procedure is exposure to ultraviolet light (at 2537 ) to an integrated dose at least 15
W-sec/cm
2
. Exposing the EPROM to an ultraviolet lamp of 12,000
μ
W/cm
2
rating for 30 minutes, at a distance
of about 25 mm, should be sufficient. An exposure of 1 hour is recommended with most of standard erasers.
Erasure of the EPROM begins to occur when the chip is exposed to light with wavelength shorter than approximately
4,000 . Since sunlight and fluorescent lighting have wavelengths in this range, exposure to these light sources
over an extended time (about 1 week in sunlight, or 3 years in room-level fluorescent lighting) could cause
inadvertent erasure. If an application subjects the device to this type of exposure, it is suggested that an opaque
label be placed over the window.
Control sig-
nals
Data In
ALE/PROG
A0-A12
Programming Cycle
100
μ
s
D0-D7
EA/VPP
Data Out
Read/Verify Cycle
12.75V
5V
0V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TS80C58X2XXX-LCA | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP |
| TS80C58X2XXX-LCB | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP |
| TS80C58X2XXX-LCC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP |
| TS80C58X2XXX-LCE | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP |
| TS80C58X2XXX-LIA | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP |
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