参数资料
型号: ST72T141K2MAE
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDSO34
封装: 0.300 INCH, LEAD FREE, PLASTIC, SOP-34
文件页数: 35/131页
文件大小: 3096K
代理商: ST72T141K2MAE
ST72141K2-Auto
13/131
1.5 EPROM PROGRAM MEMORY
The program memory of the OTP and EPROM de-
vices can be programmed with EPROM program-
ming tools available from STMicroelectronics.
EPROM Erasure
EPROM devices are erased by exposure to high
intensity UV light admitted through the transparent
window. This exposure discharges the floating
gate to its initial state through induced photo cur-
rent.
It is recommended that the EPROM devices be
kept out of direct sunlight, since the UV content of
sunlight can be sufficient to cause functional fail-
ure. Extended exposure to room level fluorescent
lighting may also cause erasure.
An opaque coating (paint, tape, label, etc.) should
be placed over the package window if the product
is to be operated under these lighting conditions.
Covering the window also reduces IDD in power-
saving modes due to photo-diode leakage cur-
rents.
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