Product Summary

The 74HCT123D is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). It is specified in compliance with JEDEC standard no. 7A. The 74HCT123D is a dual retriggerable monostable multivibrator with output pulse width control by three methods.

Parametrics

74HCT123D absolute maximum ratings: (1)VCC, supply voltage: -0.5 to +7 V; (2)IIK, input clamping current, VI < -0.5 V or VI > VCC + 0.5 V: ±20mA max; (3)IOK, output clamping current, VO < -0.5 V or VO > VCC + 0.5 V: ±20mA max; (4)IO, output current, except for pins nREXT/CEXT; VO = -0.5 V to (VCC + 0.5 V): ±25mA max; (5)ICC, supply current: 50mA max; (6)IGND, ground current: -50mA max; (7)Tstg, storage temperature: -65 to +150 ℃; (8)Ptot total power dissipation: DIP16 package: 750mW max; SO16 package: 500mW max; SSOP16 package: 500mW max; TSSOP16 package: 500mW max; DHVQFN16 package: 500mW max.

Features

74HCT123D features: (1)DC triggered from active HIGH or active LOW inputs; (2) Retriggerable for very long pulses up to 100 % duty factor; (3)Direct reset terminates output pulse; (4)Schmitt-trigger action on all inputs except for the reset input; (5)ESD protection: HBM JESD22-A114E exceeds 2000 V; MM JESD22-A115-A exceeds 200 V; (6)Specified from -40 ℃ to +85 ℃ and from -40 ℃ to +125 ℃.

Diagrams

74HCT123D block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
74HCT123D
74HCT123D

NXP Semiconductors

Monostable Multivibrator DUAL MONO RETRIG

Data Sheet

Negotiable 
74HCT123D,652
74HCT123D,652

NXP Semiconductors

Monostable Multivibrator DUAL MONO RETRIG

Data Sheet

0-1: $0.08
1-25: $0.07
25-100: $0.07
100-250: $0.07
74HCT123DB,112
74HCT123DB,112

NXP Semiconductors

Monostable Multivibrator DUAL RETGIG MONOSTBL

Data Sheet

0-1: $0.62
1-25: $0.49
25-100: $0.43
100-250: $0.38
74HCT123D,653
74HCT123D,653

NXP Semiconductors

Monostable Multivibrator DUAL RETRIG MONOSTABLE MULTI

Data Sheet

0-1: $0.15
1-25: $0.13
25-100: $0.10
100-250: $0.07
74HCT123DB,118
74HCT123DB,118

NXP Semiconductors

Monostable Multivibrator DUAL RETGIG MONOSTBL

Data Sheet

0-1450: $0.25
1450-2000: $0.25
2000-3000: $0.24
3000-6000: $0.23
74HCT123DB
74HCT123DB

NXP Semiconductors

Monostable Multivibrator DUAL RETGIG MONOSTBL MULTI

Data Sheet

Negotiable 
74HCT123DB-T
74HCT123DB-T

NXP Semiconductors

Monostable Multivibrator DUAL RETGIG MONOSTBL MULTI

Data Sheet

Negotiable