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PartsTable / COMPONENT / 74C221
74C221 ✓ 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: 0.291 INCHES MAXIMUM IN, body_height: 0.160 INCHES MAXIMUM IN, body_length: 0.785 INCHES MAXIMUM IN, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, inclosure_material: CERAMIC AND GLASS, storage_temp_range: -65.0 TO 150.0 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 5962-01-068-6547, 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
74C221
NSN: 5962-01-068-6547
FSC: 5962
CAGE: 12040 — NATIONAL SEMICONDUCTOR CORP (USA)
SPECIFICATIONS
body_width0.291 INCHES MAXIMUM IN
body_height0.160 INCHES MAXIMUM IN
body_length0.785 INCHES MAXIMUM IN
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_patternDUAL 3 INPUT
inclosure_configurationDUAL-IN-LINE
design_function_and_quantity2 MULTIVIBRATOR, MONOSTABLE
maximum_power_dissipation_rating500.0 MILLIWATTS
case_outline_source_and_designatorD-2 MIL-M-38510
NSN5962-01-068-6547
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 74C221 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
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
•
BODY LENGTH: 0.785 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
MM54C221J/883BInterchangeable
interchangeable cross-reference
interchangeable
C9482-1Interchangeable
interchangeable cross-reference
interchangeable
MM54C221JInterchangeable
interchangeable cross-reference
interchangeable
SM77935Interchangeable
interchangeable cross-reference
interchangeable
MM74C221NInterchangeable
interchangeable cross-reference
interchangeable
615736-901Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74C221?
74C221 is a MICROCIRCUIT,DIGITAL.
What parts can replace 74C221?
There are 8 known substitutes for 74C221: MM54C221J/883B, C9482-1, MM54C221J and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 74C221?
74C221 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-068-6547. 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