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PartsTable / COMPONENT / SN54LS21JA
SN54LS21JA ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include body_width: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, body_length: 0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED, output_logic_form: COMPLEMENTARY-LOGIC, inclosure_material: CERAMIC, operating_temp_range: -55.0 TO 125.0 CELSIUS DEGC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-047-8578, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
SN54LS21JA
NSN: 5962-01-047-8578
FSC: 5962
CAGE: C7191 — ADELCO ELEKTRONIK GMBH (DEU)
SPECIFICATIONS
body_width0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
body_length0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED
output_logic_formCOMPLEMENTARY-LOGIC
inclosure_materialCERAMIC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_patternDUAL 3 INPUT
inclosure_configurationDUAL-IN-LINE
NSN5962-01-047-8578
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN SN54LS21JA MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
OUTPUT LOGIC FORM: COMPLEMENTARY-LOGIC
•
INCLOSURE CONFIGURATION: DUAL-IN-LINE
•
INCLOSURE MATERIAL: CERAMIC
•
OPERATING TEMP RANGE: -55.0 TO 125.0 CELSIUS DEGC
•
FEATURES PROVIDED: HERMETICALLY SEALED
•
INPUT CIRCUIT PATTERN: DUAL 3 INPUT
•
BODY LENGTH: 0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
•
BODY WIDTH: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTPUT LOGIC FORMCOMPLEMENTARY-LOGIC
INCLOSURE CONFIGURATIONDUAL-IN-LINE
INCLOSURE MATERIALCERAMIC
OPERATING TEMP RANGE-55.0 TO 125.0 CELSIUS DEGC
FEATURES PROVIDEDHERMETICALLY SEALED
INPUT CIRCUIT PATTERNDUAL 3 INPUT
BODY LENGTH0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
BODY WIDTH0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
477-1359-004Interchangeable
interchangeable cross-reference
interchangeable
SC27441LHInterchangeable
interchangeable cross-reference
interchangeable
308738-2Interchangeable
interchangeable cross-reference
interchangeable
SN54LS21JInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SN54LS21JA?
SN54LS21JA is a MICROCIRCUIT,DIGITAL.
What parts can replace SN54LS21JA?
There are 4 known substitutes for SN54LS21JA: 477-1359-004, SC27441LH, 308738-2 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SN54LS21JA?
SN54LS21JA is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-047-8578. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026