SN74LS688NE4Alternatives & Equivalent Parts

About SN74LS688NE4

SN74LS688NE4 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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Specification Comparison

ParameterSN74LS688NE4SourceSN74LS688N
ManufacturerTexas InstrumentsTexas Instruments
Package TypeDual-In-Line Packages—
Pin Count20—
Temperature Range~ 70.0°C—
Price$2.0800$1.0730
StockIn StockIn Stock
LifecycleACTIVE—
Electrical Parameters
Pbfree CodeYes—
YTEOL15—
Additional FeatureCASCADABLE—
FamilyLS—
JESD-30 CodeR-PDIP-T20—
JESD-609 Codee4—
Load Capacitance (CL)45 pF—
Logic IC TypeIDENTITY COMPARATOR—
Max I(ol)0.024 A—
Number of Bits8—
Number of Functions8—
Output CharacteristicsTOTEM-POLE—
Output PolarityINVERTED—
Package Body MaterialPLASTIC/EPOXY—
Package Equivalence CodeDIP20,.3—
Package ShapeRECTANGULAR—
Package StyleIN-LINE—
Packing MethodTUBE—
Power Supply Current-Max (ICC)65 mA—
Prop. Delay@Nom-Sup23 ns—
Propagation Delay (tpd)23 ns—
Qualification StatusNot Qualified—
Schmitt TriggerYES—
Supply Voltage-Max (Vsup)5.25 V—
Supply Voltage-Min (Vsup)4.85 V—
Supply Voltage-Nom (Vsup)5 V—
Surface MountNO—
TechnologyTTL—
Temperature GradeCOMMERCIAL—
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)—
Terminal FormTHROUGH-HOLE—
Terminal Pitch2.54 mm—
Terminal PositionDUAL—

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

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Quick Links

SN74LS688Nby Texas Instruments

Identity Comparator, LS Series, 8-Bit, Inverted Output, TTL, PDIP20

Why Look for Alternatives?

Finding alternatives for SN74LS688NE4 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 SN74LS688NE4 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 SN74LS688NE4?

Known equivalents for SN74LS688NE4 include SN74LS688N. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of SN74LS688NE4?

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 SN74LS688NE4 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.