SN74LS243DR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

Quad bus transceivers

ACTIVEIntegrated CircuitVerified May 2026
Package / Visual Reference
SN74LS243DRSmall Outline Packages
Quick Facts
Manufacturer
Texas Instruments
Package
Small Outline Packages
Pin Count
14
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $1.9600(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 SN74LS243DR?

Pbfree CodeYes
YTEOL15
Additional FeatureWITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION
Control TypeINDEPENDENT CONTROL
Count DirectionBIDIRECTIONAL
FamilyLS
JESD-30 CodeR-PDSO-G14
JESD-609 Codee4
Load Capacitance (CL)50pF
Logic IC TypeBUS TRANSCEIVER
Max I(ol)0.024A
Number of Bits4
Number of Functions4
Number of Ports2
Output Characteristics3-STATE
Output PolarityTRUE
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSOP14,.25
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Packing MethodTR
Peak Reflow Temperature (Cel)260
Power Supply Current-Max (ICC)50mA
Prop. Delay@Nom-Sup18ns
Propagation Delay (tpd)18ns
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
PackageSmall Outline Packages

Compliance & Regulatory

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

Where can I find the SN74LS243DR datasheet?

SN74LS243DR Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for SN74LS243DR?

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

Frequently Asked Questions

What is the price of SN74LS243DR?

SN74LS243DR is priced from $1.9600 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is SN74LS243DR in stock?

SN74LS243DR 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 SN74LS243DR?

You can buy SN74LS243DR from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for SN74LS243DR from Texas Instruments.

What is the datasheet for SN74LS243DR?

The official SN74LS243DR 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 SN74LS243DR come in?

SN74LS243DR is available in Small Outline Packages packaging. See the package diagram and pinout above for detailed dimensional information.

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
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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 $1.9600
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$1.9830$1.98
2500+$1.9600$4900.00
pcs
Unit price: $1.9830 · Total: $1.98

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