SN74LS641DWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

SN74LS641DWG4 is a 20 pins integrated circuit by Texas Instruments. Key specs: 20 pins, Small Outline Packages package, Bus XCVR Single 8-CH Open Collector 20-Pin SOIC Tube. From quote-based sourcing, in stock checks support worldwide shipping.

OBSOLETEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
SN74LS641DWG4Small Outline Packages
Quick Facts
Manufacturer
Texas Instruments
Package
Small Outline Packages
Pin Count
20
Lifecycle
OBSOLETE
Category
Integrated Circuit
Temp Range
?°C to 70.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of SN74LS641DWG4?

  • 20 pins Integrated Circuit option from Texas Instruments
  • Small Outline Packages package supports production sourcing and assembly review
  • API context notes Bus XCVR Single 8-CH Open Collector 20-Pin SOIC Tube
  • Suitable for industrial electronics, embedded systems, maintenance repairs, and production BOM sourcing

What is SN74LS641DWG4 used for?

SN74LS641DWG4 is used in industrial electronics, embedded systems, maintenance repairs, and production BOM sourcing where buyers need a sourced integrated circuit from Texas Instruments. It is suited for production BOM review, repair sourcing, and engineering validation when 20 pins and package compatibility are confirmed.

What are the specifications of SN74LS641DWG4?

YTEOL0
Additional FeatureWITH DIRECTION CONTROL
Control TypeCOMMON CONTROL
Count DirectionBIDIRECTIONAL
FamilyLS
JESD-30 CodeR-PDSO-G20
JESD-609 Codee4
Logic IC TypeBUS TRANSCEIVER
Max I(ol)0.024A
Number of Bits8
Number of Functions1
Number of Ports2
Output CharacteristicsOPEN-COLLECTOR
Output PolarityTRUE
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSOP20,.4
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Packing MethodTUBE
Peak Reflow Temperature (Cel)260
Power Supply Current-Max (ICC)95mA
Prop. Delay@Nom-Sup25ns
Propagation Delay (tpd)25ns
Qualification StatusNot Qualified
Supply Voltage-Max (Vsup)5.25V
Supply Voltage-Min (Vsup)4.75V
Supply Voltage-Nom (Vsup)5V
Surface MountYES
TechnologyTTL
Temperature GradeCOMMERCIAL
Terminal FinishNICKEL PALLADIUM GOLD
Terminal FormGULL WING
Terminal Pitch1.27mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 1
HTS Code8542.39.00.60

Where can I find the SN74LS641DWG4 datasheet?

SN74LS641DWG4 Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for SN74LS641DWG4?

Compatible alternatives and drop-in replacements for SN74LS641DWG4:

SN74LS641DWonsemi

Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDSO20

View Part →
SN74LS641NSFreescale Semiconductor

IC,BUS TRANSCEIVER,SINGLE,8-BIT,LS-TTL,DIP,20PIN,PLASTIC

View Part →
SN74LS642DWG4Texas Instruments

Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDIP20

View Part →
SN74LS641-1DWG4Texas Instruments

Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDSO20

View Part →

Frequently Asked Questions

Which designs are a good fit for SN74LS641DWG4?

SN74LS641DWG4 fits industrial electronics, embedded systems, maintenance repairs, and production BOM sourcing that need 20 pins, using Texas Instruments sourcing data and the recorded Integrated Circuit classification for production BOM review.

How should engineers evaluate this Texas Instruments part before layout release?

Engineers should confirm 20 pins, Small Outline Packages package, and the current datasheet revision before layout release because suffix or packaging changes can affect assembly assumptions.

What sourcing checks matter before approving SN74LS641DWG4 for production?

Procurement teams should verify 20 pins, lifecycle status, requested packaging, and supplier traceability before committing inventory for worldwide shipping or scheduled production builds.

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