NXP PC74HCT123P Dual Retriggerable Monostable Multivibrator

The NXP PC74HCT123P is a high-speed Si-gate CMOS device that is pin compatible with low power Schottky TTL (LSTTL). It is specified in compliance with JEDEC standard no. 7A. The PC74HCT123P is a dual retriggerable monostable multivibrator with output pulse width control by three methods. The device is designed for use in applications requiring precise timing and high noise immunity.

Key Features

• Output Pulse Width Control: The pulse width of the output can be controlled using an external resistor (REXT) and capacitor (CEXT), providing a wide range of timing adjustments.
• Dual Monostable Multivibrator: With two monostable multivibrators in a single package, this device allows for compact and efficient designs.
• Retriggerable: Each multivibrator is retriggerable, allowing for the generation of output pulses in response to each new trigger pulse as long as the trigger input is maintained.
• High Noise Immunity: Characterized by its high noise immunity and low power consumption, the PC74HCT123P is suitable for stable operation in harsh environments.
• Standard Pin Configuration: The device comes in a 16-pin DIP package, ensuring easy integration into existing circuit designs without the need for additional board space.

Applications

The NXP PC74HCT123P is versatile and can be used in a variety of applications, such as:

• Timing circuits
• Pulse generation
• Sequential logic
• Wave shaping
• Automotive systems

Technical Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Logic Family: HCT
• Operating Temperature: -40°C to +125°C
• Package Type: DIP-16

Overall, the NXP PC74HCT123P offers reliable and precise timing solutions for designers looking to incorporate monostable multivibrators into their digital logic systems. Its dual-channel configuration and retriggerable feature make it a flexible choice for a wide range of electronic applications.