SN74HCT240PWR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SN74HCT240PWR product

SN74HCT240PWR

Buffers

74HCT240octal bufferinverting3-stateTTL compatibleTSSOP-20

SN74HCT240PWR is a 5 V, 20-pin TSSOP octal inverting buffer with two independently enabled 3-state output banks. It is suited to TTL-level bus, clock, and memory-address buffering.

Best for

  • 5 V TTL-compatible bus buffering
  • Memory address and clock driving
  • Tri-state shared data buses

Avoid if

  • A non-inverting buffer is required
  • Supply voltage is below 4.5 V or above 5.5 V
  • Individual per-channel output enables are needed

Check before use

  • Verify active-low OE wiring for each four-channel bank
  • Verify output loading against the ±6 mA drive specification
  • Confirm TSSOP-20 PW PCB land pattern

Key specifications

Function
Octal inverting 3-state buffer
Supply range
4.5 V to 5.5 V
Output enable
Two active-low OE inputs
Output drive
±6 mA at 5 V
Package
TSSOP-20 (PW), 0.65 mm pitch

Compliance & Environment

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

Application

Bus and memory-address bufferingIndustrial digital logic interfacesClock and control-signal distribution

CAD Models

Download ECAD models for SN74HCT240PWR: 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
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

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

Design and risk insights

Questions & answers

SN74HCT240PWR is a Texas Instruments HCT logic IC containing eight inverting buffer/line-driver channels. Its outputs are arranged as two groups of four, each controlled by an independent active-low 3-state output enable.