74AHC123AD

双可再触发单稳多谐振荡器与重置 Dual retriggerable monostable multivibrator with reset

**General description**

The 74AHC123A; 74AHCT123A are high-speed Si-gate CMOS devices and are pin compatible with Low power Schottky TTL LSTTL. They are specified in compliance with JEDEC standard no. 7A.

**Features**

■ All inputs have a Schmitt-trigger action

■ Inputs accept voltages higher than VCC

■ DC triggered from active HIGH or active LOW inputs

■ Retriggerable for very long pulses up to 100 % duty factor

■ Direct reset terminates output pulse

■ For 74AHC123A only: operates with CMOS input levels

■ For 74AHCT123A only: operates with TTL input levels

■ ESD protection:

   ◆ HBM JESD22-A114E exceeds 2000 V

   ◆ MM JESD22-A115-A exceeds 200 V

    ◆ CDM JESD22-C101C exceeds 1000 V

■ Multiple package options

■ Specified from −40 °C to +85 °C and from −40 °C to +125 °C