SN74121N - Texas Instruments

Manufacturer Part Number

SN74121N

Manufacturer

Texas Instruments

Introduction

Monostable multivibrator with dual independent circuits for generating precise timing pulses.

Product Features and Performance

Logic Multivibrator

Part of the 7400 series

Monostable operation

Two independent circuits

Fast propagation delay of 45 ns

Product Advantages

High output drive capability - 400µA high, 16mA low

Stable within recommended voltage supply range (4.75 V to 5.25 V)

Operational across a standard temperature range (0°C to 70°C)

Key Technical Parameters

Propagation Delay: 45 ns

Current - Output High, Low: 400µA, 16mA

Voltage - Supply: 4.75 V ~ 5.25 V

Operating Temperature: 0°C ~ 70°C

Independent Circuits: 2

Schmitt Trigger Input: No

Quality and Safety Features

Reliable performance within industrial standard operating ranges

Produced by trusted manufacturer Texas Instruments

Compliance with safety standards for electronic components

Compatibility

Through Hole Mounting

Compatible with 14-DIP (0.300", 7.62mm) package sockets

Operates with 7400 series logic family standards

Application Areas

Timing circuits

Pulse shaping

Delay lines

Control systems

Digital electronics

Product Lifecycle

Active status, not nearing discontinuation

Replacements or upgrades typically available within Texas Instruments' 7400 series

Several Key Reasons to Choose This Product

Dual independent circuits for complex timing solutions

Reliable timing performance with 45 ns propagation delay

Supports a wide range of supply voltage for flexible design options

High output drive capability for direct interface with other logic levels

Renowned manufacturer with a track record of quality and reliability

Broad application suitability from timing to control systems

Ongoing product support and availability within the 7400 logic series