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CD54HCT123F3A

Name: CD54HCT123F3A
Rating: 4.7 (12 reviews)

IC MMV 2-CIR 27-NS 16-CDIP

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規格

Series	54HCT
Part Status	Active
Logic Type	Monostable
Independent Circuits	2
Schmitt Trigger Input	Yes
Propagation Delay	27 ns
Current - Output High, Low	4mA, 4mA
Voltage - Supply	4.5 V ~ 5.5 V
Operating Temperature	-55°C ~ 125°C
Mounting Type	Through Hole
Package / Case	16-CDIP (0.300", 7.62mm)
Supplier Device Package	16-CDIP

概述

Description

The CD54HCT123F3A is a dual retriggerable monostable multivibrator IC, part of the HCT (High Speed CMOS TTL compatible) family. It operates on a supply voltage range of 4.5V to 5.5V and is designed for high-speed operation, making it suitable for a variety of timing applications. The device features two independent monostable circuits that can generate a single output pulse in response to a trigger input, with the pulse width determined by an external resistor and capacitor.
Key characteristics include low power consumption, high noise immunity, and compatibility with standard TTL input levels. The CD54HCT123F3A is often used in applications such as pulse width modulation, timers, and frequency division. Additionally, its retriggerable feature allows for the adjustment of pulse width upon receiving new trigger signals before the output pulse expires. The device is available in various package options, making it versatile for different circuit designs.

Features

The CD54HCT123F3A is a dual retriggerable monostable multivibrator designed for high-speed operation. Key features include:
1. Dual Functionality: It contains two independent monostable multivibrators.
2. Retriggerable: Can be retriggered while in the timing cycle, allowing for flexible timing applications.
3. Fast Propagation Delay: Typically provides a propagation delay of 15 ns at 5V, suitable for high-speed applications.
4. Wide Supply Voltage Range: Operates from 4.5V to 5.5V, making it versatile for various logic levels.
5. TTL Compatibility: Designed to interface with TTL and CMOS logic families.
6. Low Power Consumption: Consumes low static and dynamic power, enhancing efficiency in applications.
7. Temperature Range: Functional across a wide temperature range (-55°C to 125°C), suitable for industrial applications.
Applications include pulse generation, frequency division, and timing applications in digital circuits.

Package

The CD54HCT123F3A is packaged in a 14-pin Dual In-Line Package (DIP) format.

Pinout

The CD54HCT123F3A is a dual retriggerable monostable multivibrator. It has a 16-pin Dual In-line Package (DIP) format. The pin functions are as follows:
1. Pin 1: A (Trigger A)
2. Pin 2: B (Trigger B)
3. Pin 3: Q_A (Output A)
4. Pin 4: Q_A' (Inverted Output A)
5. Pin 5: GND (Ground)
6. Pin 6: R_A (Reset A)
7. Pin 7: VCC (Supply Voltage)
8. Pin 8: A (Trigger A)
9. Pin 9: B (Trigger B)
10. Pin 10: Q_B (Output B)
11. Pin 11: Q_B' (Inverted Output B)
12. Pin 12: GND (Ground)
13. Pin 13: R_B (Reset B)
14. Pin 14: NC (No Connection)
15. Pin 15: NC (No Connection)
16. Pin 16: NC (No Connection)
The device operates in a wide range of supply voltages and is designed for high-speed applications, featuring low power consumption.

Manufacturer

The CD54HCT123F3A is manufactured by Texas Instruments, a prominent semiconductor company known for designing and producing a wide range of electronic components and integrated circuits. Founded in 1930, Texas Instruments specializes in analog and digital signal processing, microcontrollers, and various other semiconductor products. The company serves multiple industries, including automotive, industrial, communications, and consumer electronics. Texas Instruments is recognized for its innovation and leadership in the electronics sector, providing solutions that facilitate advancements in technology worldwide.

Application

The CD54HCT123F3A is a dual retriggerable monostable multivibrator used in various applications such as pulse generation, timing circuits, and frequency division. It is suitable for interfacing with microcontrollers, data processing, and signal conditioning in digital electronics. Typical areas include automotive systems, communication devices, industrial controls, and consumer electronics, where precise timing and control are essential.

Equivalent

The CD54HCT123F3A is a dual retriggerable monostable multivibrator. Equivalent products include the SN74HCT123, MC14538, and 74HC123. Always confirm specifications and pin compatibility before substitution.