PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54LS378DMQBMicrocircuit,digital

Fairchild Semiconductor Corp · NSN 5962-01-210-8626 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-210-8626 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-210-8626. Primary manufacturer part number: 54LS378DMQB.
Features
  • Microcircuit,digital — FSC 5962
  • Body Width: 0.245 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
  • Body Length: 0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Features Provided: HIGH SPEED AND PARALLEL OPERATION AND POSITIVE EDGE TRIGGERED AND W/COMMON CLOCK AND W/ENABLE
  • Design Function and Quantity: 1 REGISTER, D-TYPE
  • Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC AND COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
  • Body Height: 0.185 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-210-8626, 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 Fairchild Semiconductor Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-210-8626
Primary Part Number54LS378DMQB
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corp
StatusACTIVE
Body Width0.245 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
Body Length0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Features ProvidedHIGH SPEED AND PARALLEL OPERATION AND POSITIVE EDGE TRIGGERED AND W/COMMON CLOCK AND W/ENABLE
Design Function and Quantity1 REGISTER, D-TYPE
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC AND COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Body Height0.185 INCHES NOMINAL IN
Inclosure ConfigurationDUAL-IN-LINE
Inclosure MaterialCERAMIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5962-01-324-5929 INTERCHANGEABLE
Microcircuit,digital
5962-01-362-5397G494565-272 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
54LS378DMQB PRIMARY Fairchild Semiconductor Corp (USA)
Related Parts
5962-01-324-5929INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-362-5397INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
G494565-272

Frequently Asked Questions

What is NSN 5962-01-210-8626?

NSN 5962-01-210-8626 is a Microcircuit,digital, manufactured by Fairchild Semiconductor Corp, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-210-8626?

NSN 5962-01-210-8626 has 1 cross-referenced part number: 54LS378DMQB (Fairchild Semiconductor Corp).

What NSN replaces 5962-01-210-8626?

There are 2 known substitutes for 5962-01-210-8626: 5962-01-324-5929, 5962-01-362-5397. Verify interchangeability with system specifications before substitution.

What are the specifications of 54LS378DMQB?

Key specifications for 54LS378DMQB: Body Width: 0.245 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN; Body Length: 0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN; Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC; Features Provided: HIGH SPEED AND PARALLEL OPERATION AND POSITIVE EDGE TRIGGERED AND W/COMMON CLOCK AND W/ENABLE. 9 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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