SN74LS273NSRAlternatives & Equivalent Parts

About SN74LS273NSR

SN74LS273NSR is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterSN74LS273NSRSourceSN74LS373NM20-7830246
ManufacturerTexas InstrumentsTexas InstrumentsHarwin
Package TypeSmall Outline PackagesDual-In-Line PackagesOther
Pin Count20204
Temperature Range~ 70.0°C~ 70.0°C-40.0°C ~ 105.0°C
Price$0.5555$0.3000$0.6100
StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYes
YTEOL15159.1
FamilyLSLS—
JESD-30 CodeR-PDSO-G20R-PDIP-T20—
JESD-609 Codee4e4e3
Load Capacitance (CL)15 pF45 pF—
Logic IC TypeD FLIP-FLOPBUS DRIVER—
Max Frequency@Nom-Sup30000000 Hz——
Max I(ol)0.008 A0.024 A—
Number of Bits88—
Number of Functions88—
Output PolarityTRUETRUE—
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXY—
Package Equivalence CodeSOP20,.3DIP20,.3—
Package ShapeRECTANGULARRECTANGULAR—
Package StyleSMALL OUTLINEIN-LINE—
Packing MethodTRTUBE—
Peak Reflow Temperature (Cel)260——
Power Supply Current-Max (ICC)27 mA40 mA—
Prop. Delay@Nom-Sup27 ns30 ns—
Propagation Delay (tpd)27 ns30 ns—
Qualification StatusNot QualifiedNot Qualified—
Supply Voltage-Max (Vsup)5.25 V5.25 V—
Supply Voltage-Min (Vsup)4.75 V4.75 V—
Supply Voltage-Nom (Vsup)5 V5 V—
Surface MountYESNO—
TechnologyTTLTTL—
Temperature GradeCOMMERCIALCOMMERCIAL—
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)—
Terminal FormGULL WINGTHROUGH-HOLE—
Terminal Pitch1.27 mm2.54 mm2.54 mm
Terminal PositionDUALDUAL—
Time@Peak Reflow Temperature-Max (s)30——
Trigger TypePOSITIVE EDGEPOSITIVE EDGE—
fmax-Min35 MHz——
## SN74LS273NSR Alternates Showing resultsImage——
Control Type—ENABLE LOW—
Count Direction—UNIDIRECTIONAL—
Number of Ports—2—
Output Characteristics—3-STATE—
## SN74LS373N Alternates Showing results—Image—
Body Breadth——0.198 inch
Body Depth——0.335 inch
Body Length——0.216 inch
Body/Shell Style——SOCKET
Connector Type——BOARD CONNECTOR
Contact Finish Mating——NOT APPLICABLE
Contact Finish Termination——Tin (Sn) - with Nickel (Ni) barrier
Contact Gender——FEMALE
Contact Material——PHOSPHOR BRONZE
Contact Pattern——RECTANGULAR
Contact Resistance——20 mΩ
Contact Style——SQ PIN-SKT
DIN Conformance——NO
Filter Feature——NO
IEC Conformance——NO
Insulation Resistance——1000000000 Ω
Insulator Color——BLACK
Insulator Material——POLYAMIDE
MIL Conformance——NO
Mating Contact Pitch——0.1 inch
Mating Contact Row Spacing——0.1 inch
Mixed Contacts——NO
Mounting Option 1——LOCKING
Mounting Style——STRAIGHT
Mounting Type——BOARD
Number Of Connectors——ONE
Number Of PCB Rows——2
Number of Rows Loaded——2
Option——GENERAL PURPOSE
PCB Contact Pattern——STAGGERED
PCB Contact Row Spacing——2.54 mm
Polarization Key——POLARIZED HOUSING
Rated Current (Signal)——3 A
Reference Standard——UL
Terminal Length——0.118 inch
Termination Type——SOLDER
Total Number of Contacts——4
UL Flammability Code——94V-0

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Need pricing on these alternatives?

Get one quote covering all 2 alternatives for SN74LS273NSR — response within 24 hours.

Quick Links

Why Look for Alternatives?

Finding alternatives for SN74LS273NSR is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating SN74LS273NSR replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to SN74LS273NSR?

Known equivalents for SN74LS273NSR include SN74LS373N, M20-7830246. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of SN74LS273NSR?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify SN74LS273NSR alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.