SN74LS244NE4Alternatives & Equivalent Parts

About SN74LS244NE4

SN74LS244NE4 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Get one quote covering all 6 alternatives for SN74LS244NE4 — response within 24 hours.

Specification Comparison

ParameterSN74LS244NE4SourceSN74LS244NSN74LS245NTPS3431SQDRBRQ1PIC18F4480-I/PTSN74LS240NSN74LS241N
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsMicrochipTexas InstrumentsTexas Instruments
Package TypeDual-In-Line PackagesDual-In-Line PackagesDual-In-Line PackagesSmall Outline No-leadQuad Flat PackagesDual-In-Line Packages
Pin Count20202094420
Temperature Range~ 70.0°C~ 70.0°C~ 70.0°C-40.0°C ~ 125.0°C-40.0°C ~ 85.0°C~ 70.0°C
Price$0.5154$0.5450$0.4885$0.9233$5.4400$0.3054$0.3045
StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYesYesYesYes
Reach Compliance CodeCompliant
YTEOL15151515915
Control TypeENABLE LOWENABLE LOWCOMMON CONTROLENABLE LOW
Count DirectionUNIDIRECTIONALUNIDIRECTIONALBIDIRECTIONALUNIDIRECTIONAL
FamilyLSLSLSLS
JESD-30 CodeR-PDIP-T20R-PDIP-T20R-PDIP-T20S-PDSO-N8S-PQFP-G44R-PDIP-T20
JESD-609 Codee4e4e4e4e3e4
Load Capacitance (CL)45 pF45 pF45 pF45 pF
Logic IC TypeBUS DRIVERBUS DRIVERBUS TRANSCEIVERBUS DRIVER
Max I(ol)0.024 A0.024 A0.024 A0.024 A
Number of Bits4484
Number of Functions88818
Number of Ports2222
Output Characteristics3-STATE3-STATE3-STATE3-STATE
Output PolarityTRUETRUETRUEINVERTED
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeDIP20,.3DIP20,.3DIP20,.3TQFP44,.39SQ,31DIP20,.3
Package ShapeRECTANGULARRECTANGULARRECTANGULARSQUARESQUARERECTANGULAR
Package StyleIN-LINEIN-LINEIN-LINESMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILEFLATPACK, THIN PROFILEIN-LINE
Packing MethodTUBETUBETUBETUBE
Power Supply Current-Max (ICC)50 mA50 mA95 mA50 mA
Prop. Delay@Nom-Sup18 ns18 ns12 ns18 ns
Propagation Delay (tpd)18 ns18 ns12 ns18 ns
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Supply Voltage-Max (Vsup)5.25 V5.25 V5.25 V6.5 V5.25 V
Supply Voltage-Min (Vsup)4.75 V4.75 V4.75 V1.8 V4.75 V
Supply Voltage-Nom (Vsup)5 V5 V5 V5 V5 V
Surface MountNONONOYESYESNO
TechnologyTTLTTLTTLCMOSTTL
Temperature GradeCOMMERCIALCOMMERCIALCOMMERCIALAUTOMOTIVEINDUSTRIALCOMMERCIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormTHROUGH-HOLETHROUGH-HOLETHROUGH-HOLENO LEADGULL WINGTHROUGH-HOLE
Terminal Pitch2.54 mm2.54 mm2.54 mm0.65 mm0.8 mm2.54 mm
Terminal PositionDUALDUALDUALDUALQUADDUAL
## SN74LS244NE4 Alternates Showing resultsImage
## SN74LS244N Alternates Showing resultsImage
Additional FeatureWITH DIRECTION CONTROL
Schmitt TriggerNO
## SN74LS245N Alternates Showing resultsImage
Date Of Intro2018-08-01
Adjustable ThresholdNO
Analog IC - Other TypeWATCHDOG TIMER
Number of Channels1
Peak Reflow Temperature (Cel)260260
Screening LevelAEC-Q100TS 16949
Time@Peak Reflow Temperature-Max (s)3040
## TPS3431SQDRBRQ1 Alternates Showing resultsImage
Manufacturer Package CodeTQFP-44
Factory Lead Time18 Weeks
Has ADCYES
Bit Size8
Boundary ScanNO
CPU FamilyPIC18
Clock Frequency-Max40 MHz
DAC ChannelsNO
DMA ChannelsNO
FormatFIXED POINT
Integrated CacheNO
Low Power ModeYES
Number of External Interrupts3
Number of I/O Lines36
Number of Serial I/Os1
Number of Timers6
On Chip Data RAM Width8
On Chip Program ROM Width8
PWM ChannelsYES
RAM (bytes)768
ROM (words)16384
ROM ProgrammabilityFLASH
Speed40 MHz
Supply Voltage-Max5.5 V
Supply Voltage-Min4.2 V
Supply Voltage-Nom5 V
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISC
## PIC18F4480-I/PT Alternates Showing resultsImage
## SN74LS240N Alternates Showing resultsImage

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 6 alternatives for SN74LS244NE4 — response within 24 hours.

Quick Links

SN74LS240Nby Texas Instruments

Bus Driver, LS Series, 8-Func, 4-Bit, Inverted Output, TTL, PDIP20

SN74LS241Nby Texas Instruments

Bus Driver, LS Series, 8-Func, 4-Bit, True Output, TTL, PDIP20

Why Look for Alternatives?

Finding alternatives for SN74LS244NE4 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 SN74LS244NE4 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 SN74LS244NE4?

Known equivalents for SN74LS244NE4 include SN74LS244N, SN74LS245N, TPS3431SQDRBRQ1. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of SN74LS244NE4?

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 SN74LS244NE4 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.