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Nexperia B.V. Dual retriggerable monostable multivibrator with reset 74HC423D-Q100J

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Dual retriggerable monostable multivibrator with reset - 74HC423D-Q100J - Nexperia B.V.
Nijmegen, Netherlands
Dual retriggerable monostable multivibrator with reset
74HC423D-Q100J
Dual retriggerable monostable multivibrator with reset 74HC423D-Q100J
The 74HC423-Q100 is a dual retriggerable monostable multivibrator with output pulse width control by two methods. The basic pulse time is programmed by selection of an external resistor (REXT) and capacitor (CEXT). Once triggered, the basic output pulse width may be extended by retriggering (nA) or (nB). By repeating this process, the output pulse period (nQ = HIGH, nQ = LOW) can be made as long as desired. When nRD is LOW, it forces the nQ output LOW, the nQ output HIGH and also inhibits the triggering. Schmitt-trigger action in the nA and nB inputs, makes the circuit highly tolerant to slower input rise and fall times. The '423' is identical to the '123' but cannot be triggered via the reset input. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1) and is suitable for use in automotive applications. Features and benefits Automotive product qualification in accordance with AEC-Q100 (Grade 1) Specified from -40 °C to +85 °C and from -40 °C to +125 °C DC triggered from active HIGH or active LOW inputs Retriggerable for very long pulses up to 100 % duty factor Direct reset terminates output pulse Schmitt-trigger action on all inputs except for the reset input Wide supply voltage range from 2.0 V to 6.0 V CMOS low power dissipation High noise immunity Latch-up performance exceeds 100 mA per JESD 78 Class II Level B Complies with JEDEC standard no. 7A CMOS input level ESD protection: HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V

The 74HC423-Q100 is a dual retriggerable monostable multivibrator with output pulse width control by two methods. The basic pulse time is programmed by selection of an external resistor (REXT) and capacitor (CEXT). Once triggered, the basic output pulse width may be extended by retriggering (nA) or (nB). By repeating this process, the output pulse period (nQ = HIGH, nQ = LOW) can be made as long as desired. When nRD is LOW, it forces the nQ output LOW, the nQ output HIGH and also inhibits the triggering. Schmitt-trigger action in the nA and nB inputs, makes the circuit highly tolerant to slower input rise and fall times. The '423' is identical to the '123' but cannot be triggered via the reset input. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1) and is suitable for use in automotive applications.

Features and benefits

  • Automotive product qualification in accordance with AEC-Q100 (Grade 1)
    • Specified from -40 °C to +85 °C and from -40 °C to +125 °C
  • DC triggered from active HIGH or active LOW inputs
  • Retriggerable for very long pulses up to 100 % duty factor
  • Direct reset terminates output pulse
  • Schmitt-trigger action on all inputs except for the reset input
  • Wide supply voltage range from 2.0 V to 6.0 V
  • CMOS low power dissipation
  • High noise immunity
  • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
  • Complies with JEDEC standard no. 7A
  • CMOS input level
  • ESD protection:
    • HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V
    • CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V
Supplier's Site Datasheet
Multivibrators - 1727-74HC423D-Q100JTR-ND - DigiKey
Thief River Falls, MN, United States
74HC423D-Q100/SOT109 /SO16

74HC423D-Q100/SOT109/SO16

Supplier's Site Datasheet

Technical Specifications

  Nexperia B.V. DigiKey
Product Category Monostable Multivibrators Monostable Multivibrators
Product Number 74HC423D-Q100J 1727-74HC423D-Q100JTR-ND
Product Name Dual retriggerable monostable multivibrator with reset Multivibrators
Type Retriggerable
Supply Voltage 2.5V; 3V; 3.3V; 3.6V; 5V; 2.0 - 6.0
Features Master Reset; ESD Protection
Package Type Other; SOT109-1
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