SN74LS148NSR - Texas Instruments

Manufacturer Part Number

SN74LS148NSR

Manufacturer

Texas Instruments

Introduction

The SN74LS148NSR is a priority encoder integrated circuit belonging to the 74LS series of logic components.

Product Features and Performance

8-to-3 line priority encoder

Encodes eight input lines to three outputs

75V to 5.25V single supply operation

Supports a high output drive of 400µA and a low output of 8mA

Compatible with TTL logic levels

Low power Schottky technology

Product Advantages

Provides a simplified method to encode signal priority

Ensures glitch-free outputs during transitions

High noise immunity typical of 74LS series components

Surface mount package optimizes board space

Key Technical Parameters

Circuit: 1 x 8:3

Independent Circuits: 1

Current - Output High, Low: 400µA, 8mA

Voltage Supply Source: Single Supply

Voltage - Supply: 4.75V ~ 5.25V

Operating Temperature: 0°C ~ 70°C

Mounting Type: Surface Mount

Quality and Safety Features

Operates reliably within standard industrial temperature ranges

Tape and Reel packaging ensures safe delivery and automated handling

Manufactured under Texas Instruments' quality management systems

Compatibility

Compatible with various microcontrollers and digital systems requiring priority encoding

Suitable for implementing with other 74LS series logic devices

Application Areas

Data multiplexing

Control address switching

Alarm systems

Data routing applications

Processor priority systems

Product Lifecycle

Product Status: Active

Indication by Texas Instruments that this component is currently in production with no immediate risk of discontinuation

Several Key Reasons to Choose This Product

High-speed operation suitable for fast logic systems

A robust design compatible with other TTL-based logic devices

Reduced power consumption due to Schottky technology

Ease of integration with a standard SOIC package for SMT

Texas Instruments' reputation for reliability and industry leadership

Broad operational temperature range suitable for various environments

Availability in Tape & Reel packaging for efficient assembly processes

Extensive application support from Texas Instruments

Consistent product availability, with a stable lifecycle and low risk of obsolescence