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SN74LS145D AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SN74LS145D product

SN74LS145D

Signal Switches

DecoderDriverLogic

The SN74LS145D is a BCD-to-decimal decoder/driver with open-collector outputs capable of sinking 80 mA, ideal for driving indicators and relays.

Best for

  • Relay driving
  • Indicator lamp driving
  • Open-collector logic

Avoid if

  • High-speed CMOS logic interfaces
  • Applications requiring high-side switching

Check before use

  • Output pull-up resistor values
  • Input logic levels

Key specifications

Output Sink Current
80 mA
Supply Voltage
5 V
Output Type
Open Collector

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level-1-260C-UNLIM
ECCN
-
HTSUS
-

Application

IndustrialGeneral

Datasheet

Texas-Instruments-company-64.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SN74LS145D: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a BCD-to-decimal decoder/driver designed for high-current sink applications like driving relays or indicators.