SN74LS669N - Texas Instruments

Manufacturer Part Number

SN74LS669N

Manufacturer

Texas Instruments

Introduction

The SN74LS669N is a binary counter that functions in both up and down directions, designed for applications in computing and timing systems where two-way counts are required.

Product Features and Performance

Binary counter

Directional counting (both up and down)

Single element with 4 bits per element

Asynchronous reset

Synchronous timing

Count rate up to 32 MHz

Positive edge trigger

Through-hole mounting

Product Advantages

High-speed performance with 32 MHz count rate

Dual-direction counting increases versatility

Synchronous operations ensure reliability and predictability in timing

Key Technical Parameters

Logic Type: Binary Counter

Direction: Up, Down

Number of Elements: 1

Number of Bits per Element: 4

Count Rate: 32 MHz

Voltage Supply: 4.75 V ~ 5.25 V

Operating Temperature: 0°C ~ 70°C

Quality and Safety Features

Standard operating temperature range from 0°C to 70°C ensures reliable performance across various environments

Compatibility

Designed for use in digital systems that require up/down counting capabilities, especially suitable for applications like computing and precision timing devices

Application Areas

Industrial counting systems

Digital electronics requiring precise timing and counting

Computing systems

Electronic measurement instruments

Product Lifecycle

Product Status: Obsolete

Since SN74LS669N is obsolete, potential replacements or upgrades should be discussed with Texas Instruments for ongoing compatibility and future projects

Several Key Reasons to Choose This Product

High-speed operation with a maximal count rate of 32 MHz

Supports both up and down counting for flexibility in applications

Reliable under a broad operating temperature range

Synchronous operation guarantees precise timing and cycle management in critical applications

Availability of through-hole package for easy mounting and replacement