SN74LS693N - Texas Instruments

Manufacturer Part Number

SN74LS693N

Manufacturer

Texas Instruments

Introduction

The SN74LS693N is a binary counter/divider from Texas Instruments designed for counting and dividing applications in digital electronics.

Product Features and Performance

Integrated dual 4-bit binary counters

Asynchronous and synchronous reset capabilities

Fully synchronous operation for count cycles

Outputs can drive up to 15 LSTTL loads

Typical count frequency of 25 MHz

Low power consumption

Edge-triggered from active-high or active-low gated logic inputs

Series carry output for cascading

Individual preset inputs for each flip-flop

Choice of count modes: binary or BCD

Product Advantages

High counting speed and reliability

Flexible operation modes for diverse applications

Ease of cascading for multi-stage counters

Direct clear function enhances usability

Key Technical Parameters

Supply Voltage Range: 4.75V to 5.25V

Operating Temperature: 0°C to 70°C

Counting Sequence: Synchronous up 4-bit

Clock Frequency: 25 MHz (max)

Output Current: -0.4mA to 8mA

Number of Pins: 14

Quality and Safety Features

Compliance with RoHS regulations

Safety standards met for industrial-grade components

Compatibility

Compatible with standard TTL logic families

Can be interfaced with microprocessors and DSPs

Application Areas

Digital clocks and timers

Frequency dividers

Programmable counters

Embedded systems for industrial controls

Data acquisition systems

Product Lifecycle

Product Status: Active (Not near discontinuation)

Availability of future replacements or upgrades is maintained by Texas Instruments

Several Key Reasons to Choose This Product

Reliability from being a Texas Instruments branded product

Diverse application suitability due to multiple count modes

Easy integration with existing TTL logic systems

Long-term availability and product support

High-speed operation suitable for advanced digital systems

Compact 14-pin package for size-constrained applications