MM74HC123A

更新时间： 2024-09-15 22:46:07

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		振荡器
页数	文件大小	规格书
9页	118K
描述
Dual Retriggerable Monostable Multivibrator

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数据手册

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MM74HC123A 数据手册

September 1983

Revised February 1999

MM74HC123A

Dual Retriggerable Monostable Multivibrator

put pulse equation is simply: PW = (R_EXT) (C_EXT); where

General Description

PW is in seconds, R is in ohms, and C is in farads. All

inputs are protected from damage due to static discharge

by diodes to V_CCand ground.

The MM74HC123A high speed monostable multivibrators

(one shots) utilize advanced silicon-gate CMOS technol-

ogy. They feature speeds comparable to low power Schot-

tky TTL circuitry while retaining the low power and high

noise immunity characteristic of CMOS circuits.

Features

Each multivibrator features both a negative, A, and a posi-

tive, 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 MM74HC123A

can be triggered on the positive transition of the clear while

A is held LOW and B is held HIGH.

■ Typical propagation delay: 25 ns

■ Wide power supply range: 2V–6V

■ Low quiescent current: 80 µA maximum (74HC Series)

■ Low input current: 1 µA maximum

■ Fanout of 10 LS-TTL loads

■ Simple pulse width formula T = RC

■ Wide pulse range: 400 ns to ∞ (typ)

■ Part to part variation: ±5% (typ)

The MM74HC123A is retriggerable. That is it may be trig-

gered repeatedly while their outputs are generating a pulse

and the pulse will be extended.

Pulse width stability over a wide range of temperature and

supply is achieved using linear CMOS techniques. The out-

■ Schmitt Trigger A & B inputs enable infinite signal input

rise and fall times.

Ordering Code:

Order Number

MM74HC123AM

MM74HC123ASJ

MM74HC123AMTC

MM74HC123AN

Package Number

M16A

Package Description

16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow

16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide

M16D

MTC16

N16E

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Timing Component

Connection Diagram

Pin Assignment for DIP, SOIC, SOP and TSSOP

Note: Pin 6 and Pin 14 must be hard-wired to GND.

Top View

DS005206.prf

www.fairchildsemi.com

12 3 4 5 6 7...9

中文翻译

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与MM74HC123A相关器件

型号	品牌	获取价格	描述	数据表
MM74HC123A_01	FAIRCHILD	获取价格	Dual Retriggerable Monostable Multivibrator
MM74HC123ACW	FAIRCHILD	获取价格	Monostable Multivibrator, HC/UH Series, 2-Func, CMOS, WAFER
MM74HC123AJ	NSC	获取价格	Dual Retriggerable Monostable Multivibrator
MM74HC123AJ	TI	获取价格	HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, CDIP16, DIP-16
MM74HC123AM	FAIRCHILD	获取价格	Dual Retriggerable Monostable Multivibrator
MM74HC123AM	ROCHESTER	获取价格	MONOSTABLE MULTIVIBRATOR now available in a lead-free package
MM74HC123AM/A+	TI	获取价格	IC,MONOSTABLE MULTIVIBRATOR,HC-CMOS,SOP,16PIN,PLASTIC
MM74HC123AM_NL	FAIRCHILD	获取价格	Monostable Multivibrator, HC/UH Series, 2-Func, CMOS, PDSO16, 0.150 INCH, LEAD FREE, MS-01
MM74HC123AMTC	ROCHESTER	获取价格	MONOSTABLE MULTIVIBRATOR now available in a lead-free package
MM74HC123AMTC	FAIRCHILD	获取价格	Dual Retriggerable Monostable Multivibrator

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