SN74LS688DWIn StockTexas Instruments

Texas Instruments SN74LS688DW, 8-Bit, Identity Comparator, Push-Pull, Inverting, 4.85 → 5.25 V, 20-Pin SOIC

OBSOLETEIntegrated CircuitVerified Apr 2026
Package / Visual Reference
SN74LS688DWOther
Quick Facts
Manufacturer
Texas Instruments
Package
Other
Pin Count
20
Lifecycle
OBSOLETE
Category
Integrated Circuit
Temp Range
?°C to 70.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

YTEOL0
Additional FeatureCASCADABLE
FamilyLS
JESD-30 CodeR-PDSO-G20
JESD-609 Codee4
Load Capacitance (CL)45pF
Logic IC TypeIDENTITY COMPARATOR
Max I(ol)0.024A
Number of Bits8
Number of Functions8
Output CharacteristicsTOTEM-POLE
Output PolarityINVERTED
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSOP20,.4
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Packing MethodTUBE
Peak Reflow Temperature (Cel)260
Power Supply Current-Max (ICC)65mA
Prop. Delay@Nom-Sup23ns
Propagation Delay (tpd)23ns
Qualification StatusNot Qualified
Schmitt TriggerYES
Supply Voltage-Max (Vsup)5.25V
Supply Voltage-Min (Vsup)4.85V
Supply Voltage-Nom (Vsup)5V
Surface MountYES
TechnologyTTL
Temperature GradeCOMMERCIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WING
Terminal Pitch1.27mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)NOT SPECIFIED
PackageOther

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.60
Country of OriginMalaysia

Datasheet

SN74LS688DW Datasheet Download

Official datasheet from Texas Instruments

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for SN74LS688DW:

SN74LS688DWRTexas Instruments

Identity Comparator, LS Series, 8-Bit, Inverted Output, TTL, PDSO20

View Part →

Frequently Asked Questions

What is the price of SN74LS688DW?

SN74LS688DW is priced from competitive USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is SN74LS688DW in stock?

SN74LS688DW is currently available at FindMyChip. We maintain stock from authorized distributors and ship worldwide with typical 3-7 business day lead time.

Where can I buy SN74LS688DW?

You can buy SN74LS688DW from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for SN74LS688DW from Texas Instruments.

What is the datasheet for SN74LS688DW?

The official SN74LS688DW datasheet from Texas Instruments contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does SN74LS688DW come in?

SN74LS688DW is available in Other packaging. See the package diagram and pinout above for detailed dimensional information.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
Reference Price (USD)
Contact for Price
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pcs

In Stock · 24h Response · Worldwide Shipping

Direct Contact
Email RFQ
Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy