CD74HCT390E - Harris Corporation

Manufacturer Part Number

CD74HCT390E

Manufacturer

Texas Instruments

Introduction

The CD74HCT390E is a high-speed Si-gate CMOS device and is part of the 74HCT series. It specifically functions as a logic counter/divider.

Product Features and Performance

High-speed performance with count rates up to 27 MHz

Includes two 4-bit asynchronous counters

Capable of counting in an up direction

Negative edge trigger type for precise counting

Operates with a supply voltage range of 4.5V to 5.5V

Design accommodates through-hole mounting for easier assembly and prototyping

Can withstand operating temperatures from -55°C to 125°C

Product Advantages

Enhanced reliability through its wide operating temperature range

Compatible with TTL levels, enabling easy integration into existing designs

Robust design suitable for demanding conditions

Allows for flexible voltage levels to match specific application needs

Key Technical Parameters

Logic Type: Counter, Decade

Number of Elements: 2

Number of Bits per Element: 4

Reset Type: Asynchronous

Count Rate: 27 MHz

Trigger Type: Negative Edge

Voltage Supply: 4.5 V ~ 5.5 V

Operating Temperature: -55°C ~ 125°C

Quality and Safety Features

Manufactured by Texas Instruments, ensuring high-quality production standards

Encased in a durable 16-DIP package for enhanced protection and longevity

Compatibility

The device's logic and voltage characteristics ensure compatibility with TTL logic levels.

Application Areas

Industrial control systems

Digital event counting

Frequency division

Timing circuits

Digital clocks and watches

Automotive systems

Product Lifecycle

Currently active, with no present indication from Texas Instruments regarding discontinuation

Future replacements or upgrades will depend on technological advancements and market demand

Several Key Reasons to Choose This Product

High-speed operation and reliability for critical applications

Wide operating temperature range, suitable for extreme conditions

Easy integration with existing TTL systems

Versatile application possibilities ranging from industrial to consumer electronics

Backed by Texas Instruments' reputation for quality and innovation