參數(shù)資料
型號: ST6253BM1
廠商: 意法半導(dǎo)體
英文描述: DIODE ZENER SINGLE 200mW 13Vz 5mA-Izt 0.022 0.1uA-Ir 10 SOD-323 3K/REEL
中文描述: 8位檢察官辦公室/存儲器與阿微控制器/ D轉(zhuǎn)換器,自動(dòng)重加載定時(shí)器,EEPROM和的SPI
文件頁數(shù): 15/75頁
文件大?。?/td> 540K
代理商: ST6253BM1
15/75
ST62T53B/T60B/T63B ST62E60B
PROGRAMMING MODES
(Cont’d)
1.4.4 EPROM Erasing
The EPROM of the windowed package of the
MCUs may be erased by exposure to Ultra Violet
light. The erasure characteristic of the MCUs is
such that erasure begins when the memory is ex-
posed to light with a wave lengths shorter than ap-
proximately 4000. It should be noted that sun-
lights and some types of fluorescent lamps have
wavelengths in the range 3000-4000.
It is thus recommended that the window of the
MCUs packages be covered by an opaque label to
prevent unintentional erasure problems when test-
ing the application in such an environment.
The recommended erasure procedure of the
MCUs EPROM is the exposure to short wave ul-
traviolet light which have a wave-length 2537A.
The integrated dose (i.e. U.V. intensity x exposure
time) for erasure should be a minimum of 15W-
sec/cm
2
. The erasure time with this dosage is ap-
proximately 15 to 20 minutes using an ultraviolet
lamp
with
12000
μ
W/cm
2
ST62E60B should be placed within 2.5cm (1Inch)
of the lamp tubes during erasure.
power
rating.
The
15
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ST6253BM1/XXX 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
ST6253BM3 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, AUTO-RELOAD TIMER, EEPROM AND SPI
ST6253BM3/XXX 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
ST6253BM6 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, AUTO-RELOAD TIMER, EEPROM AND SPI
ST6253BM6/XXX 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller