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參數(shù)資料
| 型號： | HD74HC123 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Dual Retriggerable Monostable Multivibrators (with Clear) |
| 中文描述： | 雙Retriggerable（與Clear單穩(wěn)態(tài)多頻振蕩器） |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 48K |
| 代理商： | HD74HC123 |
HD74HC123A
Dual Retriggerable Monostable Multivibrators (with Clear)
Description
This multivibrator features both a negative, A, and a positive, B, transition triggered input, either of which
can be used as an inhibit input. Also included is a clear input that when taken low resets the one shot. The
HD74HC123A can be triggered on the positive transition of the clear while A is held low and B is held
high.
The HD74HC123A is retriggerable. That is it may be triggered repeatedly while their outputs are
generating a pulse and the pulse will be extended.
Pulse width stability over a wide range of temperature. The output pulse equation is simply: t
w
= (Rext)
(Cext).
Features
High Speed Operation
High Output Current: Fanout of 10 LSTTL Loads
Wide Operating Voltage: V
CC
= 2 to 6 V
Low Input Current: 1 μA max
Low Quiescent Supply Current
Function Table
Inputs
Outputs
Clear
A
B
Q
Q
L
X
X
L
H
X
H
X
L
H
X
X
L
L
H
H
L
H
H
L
H
Note:
External timing capacitance connects between Cext and Rext/Cext.
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| HD74HC123A | Dual Retriggerable Monostable Multivibrators (with Clear) |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HD74HC123AFP-E | 制造商:Renesas Electronics 功能描述:74HC Dual Monostable Multivibrator Bulk 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-16 |
| HD74HC123AP | 制造商:Renesas Electronics 功能描述:74HC Dual Monostable Multivibrator Bulk |
| HD74HC123AP-E | 制造商:Renesas Electronics 功能描述:74HC Dual Monostable Multivibrator |
| HD74HC125FP-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-14 |
| HD74HC125FPEL-E | 制造商:Renesas Electronics Corporation 功能描述: 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-14 |
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