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Technical Data Sheet
PartsTable / COMPONENT / 54LS373DM
54LS373DM ✓ 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: 0.245 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN, body_height: 0.180 INCHES MAXIMUM IN, body_length: 0.930 INCHES MINIMUM AND 0.975 INCHES MAXIMUM IN, special_features: WEAPON SYSTEM ESSENTIAL, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, inclosure_material: CERAMIC AND GLASS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-114-1197, 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
54LS373DM
NSN: 5962-01-114-1197
FSC: 5962
CAGE: 07263 — FAIRCHILD SEMICONDUCTOR CORP (USA)
SPECIFICATIONS
body_width0.245 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
body_height0.180 INCHES MAXIMUM IN
body_length0.930 INCHES MINIMUM AND 0.975 INCHES MAXIMUM IN
special_featuresWEAPON SYSTEM ESSENTIAL
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC AND GLASS
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_pattern8 CHANNEL AND 10 INPUT
inclosure_configurationDUAL-IN-LINE
terminal_surface_treatmentSOLDER
terminal_type_and_quantity20 PRINTED CIRCUIT
NSN5962-01-114-1197
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 54LS373DM MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
BODY LENGTH: 0.930 INCHES MINIMUM AND 0.975 INCHES MAXIMUM IN
•
BODY WIDTH: 0.245 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
•
VOLTAGE RATING AND TYPE PER CHARACTERISTIC: 7.0 VOLTS MAXIMUM POWER SOURCE
•
TERMINAL SURFACE TREATMENT: SOLDER
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
TEST DATA DOCUMENT: 13973-839210 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
DESIGN FUNCTION AND QUANTITY: 8 LATCH
TECHNICAL CHARACTERISTICS (FLIS)
BODY LENGTH0.930 INCHES MINIMUM AND 0.975 INCHES MAXIMUM IN
BODY WIDTH0.245 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
VOLTAGE RATING AND TYPE PER CHARACTERISTIC7.0 VOLTS MAXIMUM POWER SOURCE
TERMINAL SURFACE TREATMENTSOLDER
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATIONFEAT
TEST DATA DOCUMENT13973-839210 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
DESIGN FUNCTION AND QUANTITY8 LATCH
TERMINAL TYPE AND QUANTITY20 PRINTED CIRCUIT
INCLOSURE CONFIGURATIONDUAL-IN-LINE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
54LS373J/883BInterchangeable
interchangeable cross-reference
interchangeable
ZC7970/1Interchangeable
interchangeable cross-reference
interchangeable
445/4/13239/046Interchangeable
interchangeable cross-reference
interchangeable
M50-405Interchangeable
interchangeable cross-reference
interchangeable
54LS373DMQBInterchangeable
interchangeable cross-reference
interchangeable
SNJ54LS373JInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54LS373DM?
54LS373DM is a MICROCIRCUIT,DIGITAL.
What parts can replace 54LS373DM?
There are 10 known substitutes for 54LS373DM: 54LS373J/883B, ZC7970/1, 445/4/13239/046 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 54LS373DM?
54LS373DM is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-114-1197. 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