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PartsTable / COMPONENT / MM54HC273J/883
MM54HC273J/883 ✓ 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 MM54HC273J/883 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-235-3495, 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
MM54HC273J/883
NSN: 5962-01-235-3495
FSC: 5962
CAGE: 27014 — NATIONAL SEMICONDUCTOR CORPORATION (USA)
SPECIFICATIONS
Part NumberMM54HC273J/883
NSN5962-01-235-3495
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MM54HC273J/883 TITLE COMPONENT PN MM54HC273J/883 MFR MM54HC273J/883
KEY FEATURES
•
OPERATING TEMP RANGE: -55.0 TO 125.0 CELSIUS DEGC
•
INPUT CIRCUIT PATTERN: 10 INPUT
•
STORAGE TEMP RANGE: -65.0 TO 150.0 CELSIUS DEGC
•
FEATURES PROVIDED: HERMETICALLY SEALED AND BURN IN AND W/CLOCK AND W/CLEAR
•
BODY WIDTH: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
•
INCLOSURE MATERIAL: CERAMIC
•
TIME RATING PER CHACTERISTIC: 240.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 240.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
•
CASE OUTLINE SOURCE AND DESIGNATOR: D-8 MIL-M-38510
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING TEMP RANGE-55.0 TO 125.0 CELSIUS DEGC
INPUT CIRCUIT PATTERN10 INPUT
STORAGE TEMP RANGE-65.0 TO 150.0 CELSIUS DEGC
FEATURES PROVIDEDHERMETICALLY SEALED AND BURN IN AND W/CLOCK AND W/CLEAR
BODY WIDTH0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
INCLOSURE MATERIALCERAMIC
TIME RATING PER CHACTERISTIC240.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 240.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
CASE OUTLINE SOURCE AND DESIGNATORD-8 MIL-M-38510
VOLTAGE RATING AND TYPE PER CHARACTERISTIC7.0 VOLTS MAXIMUM POWER SOURCE
TERMINAL TYPE AND QUANTITY20 PRINTED CIRCUIT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
7389621Interchangeable
interchangeable cross-reference
interchangeable
84099Interchangeable
interchangeable cross-reference
interchangeable
65890D8Interchangeable
interchangeable cross-reference
interchangeable
L537300391Interchangeable
interchangeable cross-reference
interchangeable
JM38510/65601BRAInterchangeable
interchangeable cross-reference
interchangeable
1576AS496-14Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MM54HC273J/883?
MM54HC273J/883 is a MM54HC273J/883.
What parts can replace MM54HC273J/883?
There are 20 known substitutes for MM54HC273J/883: 7389621, 84099, 65890D8 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MM54HC273J/883?
MM54HC273J/883 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-235-3495. 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