74HCT423PW,118

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Device
• Characteristics: High-Speed CMOS, Retriggerable Monostable Multivibrator
• Package: TSSOP-16
• Essence: The 74HCT423PW,118 is a high-speed CMOS IC that functions as a retriggerable monostable multivibrator. It is commonly used in digital logic circuits to generate precise timing signals.

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay Time: 20 ns (typical)
• Trigger Pulse Width: 10 ns (minimum)

Detailed Pin Configuration

The 74HCT423PW,118 has a total of 16 pins arranged as follows:

__ __ Q1 |1 \__/ 16| VCC Q2 |2 15| MR Q3 |3 14| TR Q4 |4 13| RC Q5 |5 12| CEXT Q6 |6 11| REXT Q7 |7 10| GND Q8 |8 9| Q ----------

Functional Features

• Retriggerable Monostable Multivibrator: The 74HCT423PW,118 can be triggered multiple times before the output signal returns to its stable state.
• Precise Timing Generation: It provides accurate and reliable timing signals for various digital logic applications.
• Wide Supply Voltage Range: The IC can operate within a wide range of supply voltages, making it versatile for different circuit designs.
• High-Speed CMOS Technology: The use of CMOS technology ensures fast switching speeds and low power consumption.

Advantages

• Retriggerable Operation: The ability to retrigger the IC allows for flexible timing control in complex digital systems.
• Wide Operating Temperature Range: The IC can withstand extreme temperature conditions, making it suitable for various environments.
• Low Power Consumption: The high-speed CMOS technology used in the IC ensures efficient power usage.

Disadvantages

• Limited Trigger Pulse Width: The minimum trigger pulse width requirement may restrict certain applications that require shorter pulses.
• Sensitivity to Noise: As with any digital logic device, the 74HCT423PW,118 is susceptible to noise interference, which may affect its performance.

Working Principles

The 74HCT423PW,118 operates as a retriggerable monostable multivibrator. When triggered, it generates an output pulse of a fixed duration determined by external resistors and capacitors. The output pulse width can be extended or shortened by applying additional trigger pulses before the pulse ends.

Detailed Application Field Plans

The 74HCT423PW,118 finds applications in various fields where precise timing signals are required. Some common application areas include: - Digital Communication Systems - Industrial Automation - Timing and Control Circuits - Measurement and Instrumentation

Detailed and Complete Alternative Models

• CD74HC423E: This is a similar IC from Texas Instruments with comparable specifications and functionality.
• MC74HCT423N: Another alternative from ON Semiconductor, offering similar features and pin configuration.

Note: These alternative models should be cross-referenced with their respective datasheets for detailed specifications and compatibility.

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