CD74HCT20M - Harris Corporation

Manufacturer Part Number

CD74HCT20M

Manufacturer

Texas Instruments

Introduction

The CD74HCT20M is a high-speed CMOS logic dual 4-input NAND gate from Texas Instruments' 74HCT series.

Product Features and Performance

Logic Type: NAND Gate with two separate circuits

Number of Inputs: Each circuit has 4 inputs

Voltage - Supply range: 4.5V to 5.5V

Low Quiescent Current: Maximum of 2 µA

Output Current: Capable of 4mA for both high and low levels

Input Logic Levels: Low at 0.8V; High at 2V

Propagation Delay: Maximum of 28ns at 4.5V with a 50pF load

Operating Temperature Range: Wide range from -55°C to 125°C

Mounting Type: Designed for surface mounting

Device Package: Provided in a 14-SOIC format

Product Advantages

The device is ideal for interfacing with high-voltage and low-energy consumption applications due to its low power consumption and wide operating voltage range.

Key Technical Parameters

Propagation Delay: 28ns at 4.5V, max load of 50pF

Supply Voltage: Operable between 4.5V and 5.5V

Operating Temperature: Ranges from -55°C to 125°C

Output Current: 4mA, both high and low states

Input Logic Levels: 0.8V (low), and 2V (high)

Quality and Safety Features

The reliability of the 74HCT series is exemplified through its stable performance over a wide temperature range, ensuring functionality in harsh conditions.

Compatibility

The CD74HCT20M is compatible with TTL levels and can be used in systems requiring TTL logic interfaces due to its compatibility with standard TTL integrated circuits.

Application Areas

This product is suitable for logic-level conversions, signal processing, data processing, power management, and other electronics requiring reliable NAND gate operations.

Product Lifecycle

Product Status: Last Time Buy - The CD74HCT20M is nearing the end of its lifecycle with a warning for Last Time Buy indicating that customers should consider planning for replacements or upgrades.

Several Key Reasons to Choose This Product

High-speed CMOS NAND gate functionality

Suitable for tough environmental conditions

Compatible with TTL levels, broadening its application scope

Low power consumption, conserving energy for devices

Available in a surface-mount package, favorable for modern compact PCB designs

Backed by Texas Instruments' reputation for quality and reliability

The impending Last Time Buy status may prompt advantageous bulk purchasing before discontinuation