SN74ALS257ADB Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

SN74ALS257ADB is a logic interface IC by Texas Instruments. Key specs: SOIC package, 16 pins, digital signal interface. From inquiry pricing, in stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
SN74ALS257ADBSmall Outline Packages
Quick Facts
Manufacturer
Texas Instruments
Package
Small Outline Packages
Pin Count
16
Lifecycle
ACTIVE
Category
Integrated Circuit
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of SN74ALS257ADB?

  • Texas Instruments logic interface IC selected for SOIC package requirements
  • Key SN74ALS257ADB configuration supports 16 pins matching and approved sourcing
  • digital signal interface detail helps buyers compare alternates and reduce procurement risk
  • Suitable for maintenance, prototype, and production builds that require exact manufacturer part-number traceability

What is SN74ALS257ADB used for?

SN74ALS257ADB is used in digital interface, buffering, glue-logic, and board-level control circuits. It is practical for maintenance and production sourcing when the design must preserve logic-family behavior, output structure, and exact orderable suffix compatibility.

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)

Where can I find the SN74ALS257ADB datasheet?

SN74ALS257ADB Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for SN74ALS257ADB?

Compatible alternatives and drop-in replacements for SN74ALS257ADB:

SN74ALS257ADG4Texas Instruments

Multiplexer, ALS Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, PDSO16

View Part →
SN74ALS157ADTexas Instruments

Multiplexer, ALS Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, PDSO16

View Part →
SN74ALS158DTexas Instruments

Multiplexer, ALS Series, 4-Func, 2 Line Input, 1 Line Output, Inverted Output, TTL, PDSO16

View Part →

Frequently Asked Questions

Which designs are a good fit for SN74ALS257ADB?

SN74ALS257ADB fits designs that need a logic interface IC with 16 pins. Buyers should compare the manufacturer part number, electrical role, and lifecycle before approving production use.

How should buyers validate SN74ALS257ADB before a production order?

For package or assembly planning, verify 16 pins against the existing footprint, sourcing suffix, and approved vendor list. That keeps purchasing aligned with engineering requirements.

When is SN74ALS257ADB suitable as a replacement candidate?

Use SN74ALS257ADB as a replacement candidate only after confirming datasheet limits, compliance, and application fit, including 16 pins. This reduces requalification risk.

Related Guides

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
30-day replacement for defective parts, no questions asked

About Texas Instruments

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.

AvailabilityIn Stock
Reference Price (USD)
Contact for Price
Buy from 1pc · Factory-direct pricing
pcs

In Stock · 24h Response · Worldwide Shipping

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.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy