74123 Datasheet

The 74HC123 and 74HCT123 are high-speed Si-gate CMOS devices and are pin compatible with Low-power Schottky TTL (LSTTL). The 74HC123; 74HCT123 are dual retriggerable monostable multivibrators with output pulse width control

The DM74LS123 is a dual retriggerable monostable multi-vibrator capable of generating output pulses from a few nano-seconds to extremely long duration up to 100% duty cycle. Each device has three inputs permitting the choice of either leading edge or trailing edge triggering.

74HC123, 74HCT123 pinout

74LS123 and 74HC123 features

  • DC triggered from active-HIGH transition or active-LOW transition inputs
  • Retriggerable to 100% duty cycle
  • Compensated for VCC and temperature variations
  • Triggerable from CLEAR input
  • DTL, TTL compatible
  • Input clamp diodes

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