74VHC123AMX

更新时间： 2024-11-03 23:24:35

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	110K
描述
Monostable Multivibrator

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中文翻译

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数据手册
替代型号

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74VHC123AMX 数据手册

July 1993

Revised April 1999

74VHC123A

Dual Retriggerable Monostable Multivibrator

An input protection circuit ensures that 0 to 7V can be

applied to the input pins without regard to the supply volt-

age. This device can be used to interface 5V to 3V systems

and two supply systems such as battery back up. This cir-

cuit prevents device destruction due to mismatched supply

and input voltages.

General Description

The VHC123A is an advanced high speed CMOS

Monostable Multivibrator fabricated with silicon gate CMOS

technology. It achieves the high speed operation similar to

equivalent Bipolar Schottky TTL while maintaining the

CMOS low power dissipation. Each 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 VHC123A can be triggered on the positive

transition of the clear while A is held low and B is held high.

The output pulse width is determined by the equation:

PW = (R_x)(C_x); where PW is in seconds, R is in ohms, and

Features

■ High Speed:

_PD= 8.1 ns (typ) at T_A= 25°C

■ Low Power Dissipation:

_CC= 4 µA (Max) at T_A= 25°C

C is in farads.

■ Active State: I_CC= 600 µA (Max) at T_A= 25°C

Limits for R_xand C_xare:

■ High Noise Immunity: V_NIH= V_NIL= 28% V_CC(min)

External capacitor, C_xNo limit

■ Power down protection is provided on all inputs

■ Pin and function compatible with 74HC123A

External resistors, R_x

_CC> 3.0V, 1 kΩ min

V_CC= 2.0V, 5 kΩ min

Ordering Code:

Order Number Package Number

Package Description

74VHC123AM

74VHC123ASJ

74VHC123AMTC

74VHC123AN

M16A

M16D

MTC16

N16E

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

Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Symbol

Connection Diagram

IEEE/IEC

DS011621.prf

www.fairchildsemi.com

12 3 4 5 6 7...9

中文翻译

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74VHC123AMX 替代型号

型号	品牌	替代类型	描述	数据表
74VHC123AM	FAIRCHILD	类似代替	Dual Retriggerable Monostable Multivibrator

与74VHC123AMX相关器件

型号	品牌	获取价格	描述	数据表
74VHC123AMX_NL	FAIRCHILD	获取价格	Monostable Multivibrator, AHC/VHC Series, 2-Func, CMOS, PDSO16, 0.150 INCH, MS-012, SOIC-1
74VHC123AN	FAIRCHILD	获取价格	Dual Retriggerable Monostable Multivibrator
74VHC123ASJ	FAIRCHILD	获取价格	Dual Retriggerable Monostable Multivibrator
74VHC123ASJX	FAIRCHILD	获取价格	Monostable Multivibrator
74VHC123ASJX_NL	FAIRCHILD	获取价格	Monostable Multivibrator, CMOS, PDSO16,
74VHC125	FAIRCHILD	获取价格	Quad Buffer with 3-STATE Outputs
74VHC125	STMICROELECTRONICS	获取价格	QUAD BUS BUFFERS 3-STATE
74VHC125	NEXPERIA	获取价格	Quad buffer/line driver; 3-state
74VHC125_04	FAIRCHILD	获取价格	QUAD BUS BUFFERS (3-STATE)
74VHC125_07	FAIRCHILD	获取价格	Quad Buffer with 3-STATE Outputs

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