SN74128NSRAlternatives & Equivalent Parts

About SN74128NSR

SN74128NSR 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.

Specification Comparison

ParameterSN74128NSRSourceSN74128D
ManufacturerTexas InstrumentsTexas Instruments
Package TypeSmall Outline Packages
Pin Count14
Temperature Range~ 70.0°C
Price$0.3064$0.9450
Electrical Parameters
Pbfree CodeYes
YTEOL15
Additional FeatureIOL = 48MA @ VOL = 0.4V; IOH = 29MA @ VOH = 2V
FamilyTTL/H/L
JESD-30 CodeR-PDSO-G14
JESD-609 Codee4
Load Capacitance (CL)50 pF
Logic IC TypeNOR GATE
Max I(ol)0.048 A
Number of Functions4
Number of Inputs2
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSOP14,.3
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Packing MethodTR
Peak Reflow Temperature (Cel)260
Power Supply Current-Max (ICC)57 mA
Prop. Delay@Nom-Sup12 ns
Propagation Delay (tpd)18 ns
Qualification StatusNot Qualified
Schmitt TriggerNO
Supply Voltage-Max (Vsup)5.25 V
Supply Voltage-Min (Vsup)4.75 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

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

Quick Links

SN74128Dby Texas Instruments

NOR Gate, TTL/H/L Series, 4-Func, 2-Input, TTL, PDSO14

Why Look for Alternatives?

Finding alternatives for SN74128NSR 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 SN74128NSR 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.

Can't Find What You Need?

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FAQ

What is equivalent to SN74128NSR?

Known equivalents for SN74128NSR include SN74128D. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of SN74128NSR?

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 SN74128NSR 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.