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參數(shù)資料
| 型號： | HCC4538BF |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Quadruple 2-Input Exclusive-OR Gates 14-CDIP -55 to 125 |
| 中文描述： | 雙單穩(wěn)態(tài)觸發(fā)器 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 301K |
| 代理商： | HCC4538BF |
Power Down Mode
During a rapid power-down conditiona, as would
occur with a power supply short circuit or with a
poorlyfilteredpower supply, theenergy stored inC
X
could discharge intoPin 2 or 14. To Avoid possible
devicedamage in thismode,when C
X
is
≤
0.5micro-
farad,a aprotection diode witha 1Ampere or higher
rating (1N5395 or equivalent) and a separate
groundreturn for C
X
should be provided as shown
in Fig. 1
An alternate protection method is shown in Fig. 2,
where a 51
current limit resistor is inserted in
series with CX. Note that a small pulse width de-
creasewill occour however, and RXmust beappro-
priately increased to obtain the originally desired
pulse width.
Figure 1: rapid Power Down Protection Circuit
Figure 2: Alternate rapid Power Down Protection
Circuit
HCC/HCF4538B
8/14
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| HCF4538BM1 | DUAL MONOSTABLE MULTIVIBRATOR |
相關(guān)代理商/技術(shù)參數(shù) |
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| HCC4538BK | 制造商:STMicroelectronics 功能描述:SPACE LEVEL: - Bulk |
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| HCC4541B | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PROGRAMMABLE TIMER |
| HCC4541B_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PROGRAMMABLE TIMER |
| HCC4541B_96 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PROGRAMMABLE TIMER |
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