PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MM54C221JMicrocircuit,digital

National Semiconductor Corporation · NSN 5962-01-068-6547 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-068-6547 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-068-6547. Primary manufacturer part number: MM54C221J.
Features
  • Microcircuit,digital — FSC 5962
  • Body Width: 0.291 INCHES MAXIMUM IN
  • Features Provided: COMPLEMENTARY OUTPUTS AND BURN IN AND ELECTROSTATIC SENSITIVE AND NEGATIVE EDGE TRIGGERED AND HERMETICALLY SEALED AND POSITIVE OUTPUTS AND MONOSTABLE AND RESETTABLE AND W/CLEAR AND W/INDEPENDENT OUTPUTS AND 2-STATE OUTPUT
  • Inclosure Material: CERAMIC AND GLASS
  • Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC
  • Maximum Power Dissipation Rating: 500.0 MILLIWATTS
  • Case Outline Source and Designator: D-2 MIL-M-38510
  • Body Height: 0.160 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-068-6547, is classified within Federal Supply Class 5962 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is National Semiconductor Corporation. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-068-6547
Primary Part NumberMM54C221J
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNational Semiconductor Corporation
StatusACTIVE
Body Width0.291 INCHES MAXIMUM IN
Features ProvidedCOMPLEMENTARY OUTPUTS AND BURN IN AND ELECTROSTATIC SENSITIVE AND NEGATIVE EDGE TRIGGERED AND HERMETICALLY SEALED AND POSITIVE OUTPUTS AND MONOSTABLE AND RESETTABLE AND W/CLEAR AND W/INDEPENDENT OUTPUTS AND 2-STATE OUTPUT
Inclosure MaterialCERAMIC AND GLASS
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Maximum Power Dissipation Rating500.0 MILLIWATTS
Case Outline Source and DesignatorD-2 MIL-M-38510
Body Height0.160 INCHES MAXIMUM IN
Body Length0.785 INCHES MAXIMUM IN
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Inclosure ConfigurationDUAL-IN-LINE
Design Function and Quantity2 MULTIVIBRATOR, MONOSTABLE
Input Circuit PatternDUAL 3 INPUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5962-01-076-5396C9482-1 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
5962-01-088-4438615736-901 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company
5962-01-135-9030971214-221 INTERCHANGEABLE
Microcircuit,digital
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
MM54C221J PRIMARY National Semiconductor Corporation (USA)
971214-221 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
74C221 National Semiconductor Corp (USA)
HD-1-54C221 Renesas Electronics America Inc (USA)
Related Parts
5962-01-076-5396INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
C9482-1
5962-01-088-4438INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
615736-901
5962-01-135-9030INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
971214-221

Frequently Asked Questions

What is NSN 5962-01-068-6547?

NSN 5962-01-068-6547 is a Microcircuit,digital, manufactured by National Semiconductor Corporation, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-068-6547?

NSN 5962-01-068-6547 has 4 cross-referenced part numbers: MM54C221J (National Semiconductor Corporation), 971214-221 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 74C221 (National Semiconductor Corp), HD-1-54C221 (Renesas Electronics America Inc).

What NSN replaces 5962-01-068-6547?

There are 3 known substitutes for 5962-01-068-6547: 5962-01-076-5396, 5962-01-088-4438, 5962-01-135-9030. Verify interchangeability with system specifications before substitution.

What are the specifications of MM54C221J?

Key specifications for MM54C221J: Body Width: 0.291 INCHES MAXIMUM IN; Features Provided: COMPLEMENTARY OUTPUTS AND BURN IN AND ELECTROSTATIC SENSITIVE AND NEGATIVE EDGE TRIGGERED AND HERMETICALLY SEALED AND POSITIVE OUTPUTS AND MONOSTABLE AND RESETTABLE AND W/CLEAR AND W/INDEPENDENT OUTPUTS AND 2-STATE OUTPUT; Inclosure Material: CERAMIC AND GLASS; Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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