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TC74HC423AF - Dual Retriggerable Monostable Multivibrator

Download the TC74HC423AF datasheet PDF. This datasheet also covers the TC74HC423AP variant, as both devices belong to the same dual retriggerable monostable multivibrator family and are provided as variant models within a single manufacturer datasheet.

Description

(1) Stand-by state The external capacitor Cx is fully charged to VCC in the stand-by state.

triggering, the QP and QN transistors which are connected to the Rx/Cx node are in the off state.

Features

  • (Note).
  • High speed: tpd = 25 ns (typ. ) at VCC = 5 V.
  • Low power dissipation Standby state: ICC = 4 μA (max) at Ta = 25°C Active state: ICC = 700 μA (max) at VCC = 5 V.
  • High noise immunity: VNIH = VNIL = 28% VCC (min).
  • Output drive capability: 10 LSTTL loads.
  • Symmetrical output impedance: |IOH| = IOL = 4 mA (min).
  • Balanced propagation delays: tpLH ∼.
  • tpHL.
  • Wide operating voltage range: VCC (opr) = 2 to 6 V.
  • Pin and fun.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (TC74HC423AP-Toshiba.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number TC74HC423AF
Manufacturer Toshiba
File Size 316.85 KB
Description Dual Retriggerable Monostable Multivibrator
Datasheet download datasheet TC74HC423AF Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
TC74HC423AP/AF TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74HC423AP, TC74HC423AF Dual Retriggerable Monostable Multivibrator The TC74HC423A is a high speed CMOS MONOSTABLE MULTIVIBRATOR fabricated with silicon gate C2MOS technology. It achieves the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. There are two trigger inputs, A input (negative edge), and B input (positive edge). These inputs are valid for a slow rise/fall time signal (tr = tf = 1 s) as they are schmitt trigger inputs. After triggering, the output stays in a MONOSTABLE state for a time period determined by the external resistor and capacitor (Rx, Cx ). A low level at the CLR input breaks this state.
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