SN74HCT157N Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock

Name: SN74HCT157N
Brand: Texas Instruments
SKU: SN74HCT157N
Availability: InStock

Texas Instruments SN74HCT157N is a quadruple 2-to-1 line data selector/multiplexer IC in the HCT CMOS logic family, operating at 5V TTL-compatible inputs. Features four independent 2-input mux channels with 150 pF load capacitance in a 16-pin DIP package. In stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified May 2026

Package / Visual Reference

SN74HCT157NDual-In-Line Packages

Quick Facts

Manufacturer: Texas Instruments
Package: Dual-In-Line Packages
Pin Count: 16
Lifecycle: ACTIVE
Datasheet: SN74HCT157N Datasheet PDF
Category: Integrated Circuit
Price: From $0.3226(MOQ 25)
Temp Range: -40.0°C to 85.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of SN74HCT157N?

Quadruple 2-to-1 multiplexer with TTL-compatible inputs for seamless 5V CMOS and TTL system integration
HCT family logic provides high-speed CMOS performance with 150 pF load capacitance support
16-pin DIP package enables easy through-hole assembly and breadboard prototyping
RoHS compliant (Pb-free, JESD-609 e4) with 5.2 mA output sink current capability

What is SN74HCT157N used for?

The SN74HCT157N is commonly used in data routing, bus selection, and signal multiplexing applications in microprocessor and microcontroller systems. It enables dynamic switching between two data sources for memory bank selection, peripheral interface sharing, and data path control. Its TTL-compatible inputs make it ideal for bridging legacy TTL and modern HCT CMOS logic in mixed-voltage digital systems.

What are the specifications of SN74HCT157N?

Pbfree Code	Yes
YTEOL	15
Family	HCT
JESD-30 Code	R-PDIP-T16
JESD-609 Code	e4
Load Capacitance (CL)	150pF
Logic IC Type	MULTIPLEXER
Max I(ol)	0.0052A
Number of Bits	2
Number of Functions	4
Number of Inputs	2
Number of Outputs	1
Output Polarity	TRUE
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	DIP16,.3
Package Shape	RECTANGULAR
Package Style	IN-LINE
Packing Method	TUBE
Power Supply Current-Max (ICC)	0.08mA
Prop. Delay@Nom-Sup	40ns
Propagation Delay (tpd)	52ns
Qualification Status	Not Qualified
Supply Voltage-Max (Vsup)	5.5V
Supply Voltage-Min (Vsup)	4.5V
Supply Voltage-Nom (Vsup)	5V
Surface Mount	NO
Technology	CMOS
Temperature Grade	INDUSTRIAL
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form	THROUGH-HOLE
Terminal Pitch	2.54mm
Terminal Position	DUAL
Package	Dual-In-Line Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
ECCN	EAR99
HTS Code	8542.39.00.90
Country of Origin	Malaysia, Mexico

Where can I find the SN74HCT157N datasheet?

SN74HCT157N Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for SN74HCT157N?

Compatible alternatives and drop-in replacements for SN74HCT157N:

SN74HCT257NTexas Instruments

Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDIP16

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What logic family does the SN74HCT157N belong to?

The SN74HCT157N belongs to the HCT (High-speed CMOS TTL-compatible) logic family, which accepts TTL-level input signals and operates from a 5V supply, bridging TTL and CMOS logic systems seamlessly.

How many multiplexer channels does the SN74HCT157N provide?

The SN74HCT157N provides 4 independent 2-to-1 multiplexer channels, each selecting between two 1-bit data inputs based on a single shared select line, making it efficient for 4-bit parallel data selection.

What is the load capacitance specification for the SN74HCT157N?

The SN74HCT157N is rated for a load capacitance of 150 pF, supporting standard PCB trace loads while maintaining reliable switching performance in high-speed digital logic designs.

What package type is the SN74HCT157N available in?

The SN74HCT157N is available in a 16-pin PDIP (Plastic Dual In-line Package) with 0.3-inch row spacing, suitable for through-hole soldering and breadboard prototyping in development and production environments.

Is the SN74HCT157N RoHS compliant?

Yes, the SN74HCT157N is RoHS compliant and lead-free, meeting JESD-609 code e4 requirements, making it suitable for environmentally conscious manufacturing and compliant with global hazardous substance regulations.

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Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

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AvailabilityIn Stock

Reference Price (USD)

From $0.3226

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
25+	$0.4032	$10.08
100+	$0.3730	$37.30
250+	$0.3226	$80.65

pcs

Unit price: $0.4032 · Total: $10.08

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”

Marco Rossi

CTO, AutoDrive Systems, Italy

SN74HCT157N Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock

What are the key features of SN74HCT157N?

What is SN74HCT157N used for?

What are the specifications of SN74HCT157N?

Compliance & Regulatory

Where can I find the SN74HCT157N datasheet?

What are equivalent replacements for SN74HCT157N?

Frequently Asked Questions

What logic family does the SN74HCT157N belong to?

How many multiplexer channels does the SN74HCT157N provide?

What is the load capacitance specification for the SN74HCT157N?

What package type is the SN74HCT157N available in?

Is the SN74HCT157N RoHS compliant?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Texas Instruments

More from Texas Instruments

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