CD74HC423M96G4

Product Overview

• Category: Integrated Circuit
• Use: Logic Gates
• Characteristics: High-Speed CMOS, Dual Retriggerable Monostable Multivibrator
• Package: SOIC-16
• Essence: The CD74HC423M96G4 is a dual retriggerable monostable multivibrator integrated circuit. It is part of the HC family of high-speed CMOS logic gates.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 2V to 6V
• Propagation Delay: 15 ns (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Current: ±25mA
• Input Capacitance: 3.5pF (typical)

Pin Configuration

The CD74HC423M96G4 has a total of 16 pins arranged as follows:

___________ | | 1 | 2 16 | VCC 3 | 4 14 | Q1 5 | 6 12 | Q2 7 | 8 10 | GND 9 | 10 11 | REXT 13 | 14 3 | CLR 15 | 16 2 | A |___________|

Functional Features

• Dual retriggerable monostable multivibrator with independent trigger and reset inputs.
• Each monostable can be triggered by either a positive or negative edge on the input signal.
• Retriggering is possible during the output pulse width.
• Output pulse width can be adjusted using an external resistor and capacitor.

Advantages

• High-speed operation due to CMOS technology.
• Dual monostable design allows for independent timing control.
• Retriggering capability provides flexibility in pulse generation applications.
• Wide operating voltage range allows for compatibility with various systems.

Disadvantages

• Limited output current may restrict use in certain high-power applications.
• Input capacitance may affect signal integrity in high-frequency circuits.
• Requires external components (resistor and capacitor) for pulse width adjustment.

Working Principles

The CD74HC423M96G4 operates as a dual retriggerable monostable multivibrator. When triggered by an input signal, it generates a fixed-width output pulse. The pulse width can be adjusted using an external resistor and capacitor connected to the REXT pin. The device can be retriggered during the output pulse width, allowing for flexible pulse generation.

Application Field Plans

The CD74HC423M96G4 finds applications in various fields, including:

1. Timing and synchronization circuits
2. Pulse generation and shaping
3. Frequency division and counting
4. Delay circuits
5. Control systems

Alternative Models

Here are some alternative models that offer similar functionality:

1. SN74HC123N
2. MC14538B
3. CD4098BE
4. 74HCT123D
5. HEF4538BP

These alternatives can be considered based on specific requirements and availability.

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