SN74LS47N - Texas Instruments

Manufacturer Part Number

SN74LS47N

Manufacturer

Texas Instruments

Introduction

The SN74LS47N is a low-power Schottky device used to drive common anode LED displays.

Product Features and Performance

Drives common anode 7-segment LED displays

BCD to 7-segment decoder implemented

Low power consumption due to Schottky technology

Provides constant current to segments ensuring uniform brightness

Internal ripple-blanking circuitry for leading/trailing zero suppression

Product Advantages

High noise immunity characteristic of LS technology

Direct drive to the LEDs, no need for external resistors or current limiting components

Compatible with most microprocessors and digital systems

Key Technical Parameters

Supply current: 7 mA

Supply voltage: 4.75V to 5.25V

Operating temperature range: 0°C to 70°C

Through-hole 16-DIP packaging for easy mounting

BCD input facilitating digital usage

Quality and Safety Features

Built according to Texas Instruments' rigorous quality standards

Over-temperature and over-voltage protection mechanisms (within operating range)

Compatibility

Universally compatible with common anode 7-segment LED displays

Can interface with various logic families due to BCD input structure

Application Areas

Digital clocks and timers

Counters and digital readout displays

Electronic meters and calculators

Other electronic devices requiring numeric displays

Product Lifecycle

Product Status: Active, not near discontinuation

Replacements or upgrades are typically available if ever needed

Several Key Reasons to Choose This Product

Robust display driver IC with proven track record

Ease of interfacing with digital systems

Low power consumption enhances system efficiency

Cost-effective solution for LED display applications

Reliability and support from Texas Instruments