SN74LS38DBR - Texas Instruments

Manufacturer Part Number

SN74LS38DBR

Manufacturer

Texas Instruments

Introduction

The SN74LS38DBR is a quadruple NAND gates device, which operates with an open collector from the 74LS family.

Product Features and Performance

Quadruple 2-Input Positive-NAND Gates

Open-collector outputs

High-performance silicon-gate technology

Typical switch time of 32ns at 5V and 45pF load

Four independent NAND gates in a single package

Product Advantages

Offers flexible voltage ranges compatible with TTL

Low quiescent current consumption

High output sink current capability

Capable of driving two LS-TTL loads

Suitable for applications requiring high-speed and low power consumption

Key Technical Parameters

Logic Type: NAND Gate

Number of Circuits: 4

Number of Inputs per Gate: 2

Voltage - Supply: 4.75V to 5.25V

Current - Quiescent (Max): 2 mA

Current - Output High, Low: -, 24mA

Input Logic Level - Low: 0.8V

Input Logic Level - High: 2V

Max Propagation Delay @ V, Max CL: 32ns @ 5V, 45pF

Operating Temperature Range: 0°C to 70°C

Quality and Safety Features

Compliance with RoHS standards

Built-in protection against high-voltage spikes

Compatibility

Compatible with TTL and MOS technology inputs

Mounting Type: Surface Mount

Supplier Device Package: 14-SSOP

Package / Case: 14-SSOP (0.209", 5.30mm Width)

Application Areas

Wired communications

Industrial control systems

Data processing

Consumer electronics

Logic level shifting and glue logic

Product Lifecycle

Status: Active

Not reported as nearing discontinuation

Alternatives and next-generation replacements may exist in Texas Instruments portfolio

Several Key Reasons to Choose This Product

High-speed performance with typical propagation delay of 32ns

Low power dissipation for energy-efficient designs

Compatible with existing TTL circuits, encouraging seamless integration

Available in surface mount package for modern PCB layouts

Active product status ensures ongoing production and support from Texas Instruments

Reel packaging suitable for automated assembly processes

Open collector outputs offer versatility in connecting to other circuits and components