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HCF4538 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
HCF4538ST500Yes

HCF4538 is a dual precision monostable multivibrator manufactured by STMicroelectronics.

The HCF4538 is a dual precision monostable multivibrator manufactured by STMicroelectronics.

Specifications:

  • Supply Voltage Range: 3V to 18V
  • Low Power Consumption: CMOS technology
  • High Noise Immunity: Typical of CMOS devices
  • Wide Operating Temperature Range: -55°C to +125°C
  • Triggering Options: Positive or negative edge-triggered
  • Retriggerable Capability: Yes
  • Independent Outputs: Two monostable circuits in one package
  • Output Drive Capability: Standard CMOS output levels

Descriptions:

The HCF4538 is a dual retriggerable/resettable monostable multivibrator. Each multivibrator has independent trigger and reset inputs, allowing precise timing control. The device can be triggered by either a rising or falling edge, making it versatile for various timing applications.

Features:

  • Dual Monostable Multivibrator: Two independent circuits in a single package
  • Retriggerable Function: Allows extending the output pulse
  • Reset Capability: Immediate termination of output pulse
  • Trigger Flexibility: Works with positive or negative edges
  • Wide Supply Voltage Range: Compatible with 3V to 18V systems
  • High Noise Immunity: Ensures stable operation in noisy environments

This device is commonly used in timing, pulse generation, and delay circuits.

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