SN74LS642DW Texas Instruments Integrated Circuit (Other) In Stock

Texas Instruments SN74LS642DW, Bus Transceiver, 8-Bit Inverting TTL, 4.75 → 5.25 V, 20-Pin SOIC

ACTIVEIntegrated CircuitVerified May 2026
Package / Visual Reference
SN74LS642DWOther
Quick Facts
Manufacturer
Texas Instruments
Package
Other
Pin Count
20
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $4.4600(MOQ 1)
Temp Range
?°C to 70.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the specifications of SN74LS642DW?

Pbfree CodeYes
YTEOL15
Additional FeatureWITH DIRECTION CONTROL
Control TypeCOMMON CONTROL
Count DirectionBIDIRECTIONAL
FamilyLS
JESD-30 CodeR-PDSO-G20
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 CodeSOP20,.4
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Packing MethodTUBE
Peak Reflow Temperature (Cel)260
Power Supply Current-Max (ICC)90mA
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 MountYES
TechnologyTTL
Temperature GradeCOMMERCIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WING
Terminal Pitch1.27mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
PackageOther

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.90
Country of OriginMalaysia

Where can I find the SN74LS642DW datasheet?

SN74LS642DW Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for SN74LS642DW?

Compatible alternatives and drop-in replacements for SN74LS642DW:

SN74LS642DWG4Texas Instruments

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

View Part →

Frequently Asked Questions

What is the price of SN74LS642DW?

SN74LS642DW is priced from $4.4600 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is SN74LS642DW in stock?

SN74LS642DW is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.

Where can I buy SN74LS642DW?

You can buy SN74LS642DW from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for SN74LS642DW from Texas Instruments.

What is the datasheet for SN74LS642DW?

The official SN74LS642DW 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 SN74LS642DW come in?

SN74LS642DW is available in Other packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

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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)
From $4.4600
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$8.9550$8.96
4+$6.0000$24.00
5+$5.9280$29.64
20+$4.5600$91.20
10000+$4.4600$44600.00
pcs
Unit price: $8.9550 · Total: $8.96

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