SN74LS642NIn StockTexas Instruments

Octal bus transceivers with open collector outputs

ACTIVEIntegrated CircuitVerified Apr 2026
Package / Visual Reference
SN74LS642NDual-In-Line Packages
Quick Facts
Manufacturer
Texas Instruments
Package
Dual-In-Line Packages
Pin Count
20
Lifecycle
ACTIVE
Category
Integrated Circuit
Temp Range
?°C to 70.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

YTEOL15
Additional FeatureWITH DIRECTION CONTROL
Control TypeCOMMON CONTROL
Count DirectionBIDIRECTIONAL
FamilyLS
JESD-30 CodeR-PDIP-T20
JESD-609 Codee4
Load Capacitance (CL)45pF
Logic IC TypeBUS TRANSCEIVER
Max I(ol)0.024A
Number of Bits8
Number of Functions8
Number of Ports2
Output CharacteristicsOPEN-COLLECTOR
Output PolarityINVERTED
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeDIP20,.3
Package ShapeRECTANGULAR
Package StyleIN-LINE
Packing MethodTUBE
Power Supply Current-Max (ICC)95mA
Prop. Delay@Nom-Sup25ns
Propagation Delay (tpd)25ns
Qualification StatusNot Qualified
Schmitt TriggerNO
Supply Voltage-Max (Vsup)5.25V
Supply Voltage-Min (Vsup)4.75V
Supply Voltage-Nom (Vsup)5V
Surface MountNO
TechnologyTTL
Temperature GradeCOMMERCIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormTHROUGH-HOLE
Terminal Pitch2.54mm
Terminal PositionDUAL
PackageDual-In-Line Packages

Compliance & Regulatory

RoHS StatusCompliant
ECCNEAR99
HTS Code8542.39.00.90
Country of OriginMalaysia

Datasheet

SN74LS642N Datasheet Download

Official datasheet from Texas Instruments

Alternate & Equivalent Parts

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What is the price of SN74LS642N?

SN74LS642N is priced from competitive USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is SN74LS642N in stock?

SN74LS642N is currently available at FindMyChip. We maintain stock from authorized distributors and ship worldwide with typical 3-7 business day lead time.

Where can I buy SN74LS642N?

You can buy SN74LS642N from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for SN74LS642N from Texas Instruments.

What is the datasheet for SN74LS642N?

The official SN74LS642N datasheet from Texas Instruments contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does SN74LS642N come in?

SN74LS642N is available in Dual-In-Line Packages packaging. See the package diagram and pinout above for detailed dimensional information.

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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

Direct Contact
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.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy