SNJ54LS123W

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SNJ54LS123W

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IC MMV 2-CIR 34-NS 16-CFP

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仕様

属性
Series 54LS
Part Status Active
Logic Type Monostable
Independent Circuits 2
Schmitt Trigger Input No
Propagation Delay 34 ns
Current - Output High, Low 4mA, 400µA
Voltage - Supply 4.5 V ~ 5.5 V
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount
Package / Case 16-CFlatPack
Supplier Device Package 16-CFP

概要

Description

The SNJ54LS123W is a monolithic dual retriggerable monostable multivibrator integrated circuit from the 54LS123 series, manufactured by Texas Instruments. Designed for reliable performance in high-speed digital systems, it combines Schottky TTL logic with a positive-edge-triggered input. The device features a wide range of operating conditions, which makes it suitable for a variety of timing applications.
Key features include:
- Dual independent multivibrators, each with its own timing resistor and capacitor.
- Retriggerable capability, allowing the output pulse width to be extended by additional trigger inputs.
- Edge-triggered and level-triggered modes, providing flexibility in application.
- Pulse width programming through external resistor and capacitor for precision control.
- Improved noise immunity due to internal Schottky-clamped input stages.
The SNJ54LS123W is typically used in pulse generation, timing delays, and frequency division applications. It is notable for its robust design, ensuring reliable operation in both military and industrial environments, as indicated by the "SNJ" prefix, which denotes a military-grade temperature range.

Equivalent

The SNJ54LS123W is a dual retriggerable monostable multivibrator with clear and complementary outputs. Equivalent products include the SN74LS123 and the SN54LS123 series from Texas Instruments, as well as the 74LS123 available from other manufacturers like NXP, ON Semiconductor, and Fairchild. These chips generally have similar functionalities and characteristics, making them suitable replacements in many applications. Always check the datasheet specifications to ensure compatibility.

Features

The SNJ54LS123W is a monostable multivibrator from Texas Instruments. Key features include:
1. Retriggerable Monostable Operation: It can be retriggered by additional input pulses, allowing for flexibility in timing applications.
2. Wide Range of Output Pulse Widths: Pulse widths can be adjusted via external resistor and capacitor values, offering versatility for different timing requirements.
3. Dual Operation: It contains two multivibrators per package, enabling dual timing operations in a single device.
4. TTL Compatibility: It is compatible with Transistor-Transistor Logic (TTL) levels, making it suitable for integration with other TTL components.
5. Wide Supply Voltage Range: Operates over a broad supply voltage range, accommodating various power conditions.
6. Temperature Range: It is designed to operate across a wide temperature range, enhancing reliability in different environments.
7. Low Power Consumption: Efficient power usage makes it suitable for power-sensitive applications.
These features make the SNJ54LS123W useful in applications requiring precise timing control and flexibility.

Pinout

The SNJ54LS123W is a monostable multivibrator integrated circuit from the 54LS123 family. It features a dual retriggerable monostable multivibrator with clear capability. The device typically has a 16-pin configuration. Here's a brief overview of its pin functions:
1. A1, B1: Inputs for the first multivibrator.
2. CLR1: Clear input for the first multivibrator.
3. R1C1: External resistor and capacitor connection for timing the first multivibrator.
4. Q1, Q1': Outputs for the first multivibrator, providing both true (Q1) and complement (Q1') outputs.
5. A2, B2: Inputs for the second multivibrator.
6. CLR2: Clear input for the second multivibrator.
7. R2C2: External resistor and capacitor connection for timing the second multivibrator.
8. Q2, Q2': Outputs for the second multivibrator, providing both true (Q2) and complement (Q2') outputs.
9. GND: Ground connection.
10. VCC: Power supply input.
The SNJ54LS123W is used in applications requiring precise timing and pulse generation, often in digital circuits needing monostable operation.

Manufacturer

The SNJ54LS123W is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that specializes in designing and manufacturing semiconductors and various integrated circuits. TI is a leading supplier in the electronics industry, providing components for a wide range of applications across different sectors, including consumer electronics, automotive, industrial, and communications. The company is known for its innovations in analog technology, embedded processing, and digital signal processing, among other areas.

Application

The SNJ54LS123W is a monostable multivibrator used in various applications for generating precise timing delays and pulse shaping. Key application areas include:
1. Pulse Generation: Used in circuits requiring specific pulse widths for digital logic operations.
2. Debouncing: Helps in debouncing mechanical switches.
3. Timing Applications: Suitable for creating delays in digital circuits.
4. Frequency Division: Can be used in frequency division applications.
5. Signal Conditioning: Assists in shaping and conditioning of digital signals.
6. Oscillator Circuits: Used as a part of oscillator designs.
These capabilities make it useful in telecommunications, consumer electronics, and industrial control systems.

Package

The SNJ54LS123W is a monolithic dual retriggerable one-shot with clear and complementary outputs, housed in a ceramic dual in-line package (DIP). This military-grade component is designed for applications requiring reliable performance over a wide range of temperatures.

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