HC4538 High-speed CMOS Dual Precision Monostable Multivibrator IC

HC4538 High-speed CMOS Dual Precision Monostable Multivibrator IC

The HC4538 monostable multivibrator (often referred to as a one-shot pulse generator) is used to generate precision pulses of fixed width, which can be controlled by external resistors and capacitors. It has two independent monostable multivibrators in a single package, with each half having a trigger input, reset input, and control options for pulse width timing. It operates with both rising-edge and falling-edge triggers, making it highly versatile for timing and pulse generation applications.

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• Dual Monostable Multivibrator: Contains two independent monostable circuits.
  

• High Speed: Part of the HC (High-speed CMOS) family, providing faster operation compared to standard CMOS logic.
  

• Wide Supply Voltage Range: Operates from 2V to 6V, with typical operation at 5V.
  

• Retriggerable or Non-retriggerable Operation: Provides flexibility in pulse output generation.
  

• TTL Compatible Inputs: Compatible with both CMOS and TTL logic levels.
  

• Pulse Width Control: Pulse width determined by external RC timing components (resistor and capacitor).
  

Specifications of HC4538 High-speed CMOS Dual Precision Monostable Multivibrator IC

• Supply Voltage: VDD: 2V to 6V (Typical operation at 5V)
  

• Operating Temperature: -40°C to +85°C (industrial grade)
  

• Trigger Input Types: Triggering on both leading-edge (positive-edge) and trailing-edge (negative-edge).
  

• Maximum Operating Frequency: 6 MHz (typical, with VDD = 5V)
  

• Propagation Delay: Typically 40 ns from trigger to output
  

Package Includes

• 1 x HC4538 High-speed CMOS Dual Precision Monostable Multivibrator IC