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M74HC123 Datasheet Dual Retriggerable Monostable Multivibrator

Manufacturer: STMicroelectronics

Overview: M74HC123 DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR s HIGH SPEED : tPD = 23 ns (TYP.) at VCC = 6V s LOW POWER DISSIPATION: STAND BY STATE : ICC=4µA (MAX.) at TA=25°C ) ACTIVE STATE : t(s ICC=200µA (MAX.) at VCC = 5V s HIGH NOISE IMMUNITY: uc VNIH = VNIL = 28 % VCC (MIN.) d s SYMMETRICAL OUTPUT IMPEDANCE: ro |IOH| = IOL = 4mA (MIN) s BALANCED PROPAGATION DELAYS: P tPLH ≅ tPHL te s WIDE OPERATING VOLTAGE RANGE: le VCC (OPR) = 2V to 6V o s WIDE OUTPUT PULSE WIDTH RANGE : s tWOUT = 120 ns ~ 60 s OVER AT VCC = 4.

General Description

The M74HC123 is an high speed CMOS c MONOSTABLE MULTIVIBRATOR fabricated with u silicon gate C2MOS technology.

d There are two trigger inputs, A INPUT (negative ro edge) and B INPUT (positive edge).

These inputs P are valid for slow rising/falling signals, (tr=tf=l sec).

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