SN74AS646DWAlternatives & Equivalent Parts

About SN74AS646DW

SN74AS646DW is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

Specification Comparison

ParameterSN74AS646DWSourceSN74AS648DW
ManufacturerTexas InstrumentsTexas Instruments
Package TypeOther
Pin Count24
Temperature Range~ 70.0°C
Price$3.9900
Electrical Parameters
Pbfree CodeYes
YTEOL15
Additional FeatureDIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA
Control TypeINDEPENDENT CONTROL
Count DirectionBIDIRECTIONAL
FamilyAS
JESD-30 CodeR-PDSO-G24
JESD-609 Codee4
Load Capacitance (CL)50 pF
Logic IC TypeREGISTERED BUS TRANSCEIVER
Max I(ol)0.048 A
Number of Bits8
Number of Functions8
Number of Ports2
Output Characteristics3-STATE
Output PolarityTRUE
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSOP24,.4
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Packing MethodTUBE
Peak Reflow Temperature (Cel)260
Power Supply Current-Max (ICC)211 mA
Prop. Delay@Nom-Sup20 ns
Propagation Delay (tpd)9 ns
Qualification StatusNot Qualified
Schmitt TriggerNO
Supply Voltage-Max (Vsup)5.5 V
Supply Voltage-Min (Vsup)4.5 V
Supply Voltage-Nom (Vsup)5 V
Surface MountYES
TechnologyTTL
Temperature GradeCOMMERCIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WING
Terminal Pitch1.27 mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
Trigger TypePOSITIVE EDGE

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

Quick Links

SN74AS648DWby Texas Instruments

Registered Bus Transceiver, AS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO24

Why Look for Alternatives?

Finding alternatives for SN74AS646DW 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 SN74AS646DW 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 SN74AS646DW?

Known equivalents for SN74AS646DW include SN74AS648DW. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of SN74AS646DW?

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 SN74AS646DW 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.