PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27C64A/BXA-20Microcircuit,memory

Philips Semiconductors Inc · NSN 5962-01-265-8171 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-265-8171 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-265-8171. Primary manufacturer part number: 27C64A/BXA-20.
Features
  • Microcircuit,memory — FSC 5962
  • Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC
  • Body Width: 0.610 INCHES MAXIMUM IN
  • Output Logic Form: N-TYPE METAL OXIDE-SEMICONDUCTOR LOGIC
  • Maximum Power Dissipation Rating: 170.0 MILLIWATTS
  • Input Circuit Pattern: 16 INPUT
  • Case Outline Source and Designator: D-10 MIL-M-38510
  • Terminal Type and Quantity: 28 PRINTED CIRCUIT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,memory, cataloged under National Stock Number 5962-01-265-8171, 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 Philips Semiconductors Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-265-8171
Primary Part Number27C64A/BXA-20
Item NameMicrocircuit,memory
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerPhilips Semiconductors Inc
StatusACTIVE
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Body Width0.610 INCHES MAXIMUM IN
Output Logic FormN-TYPE METAL OXIDE-SEMICONDUCTOR LOGIC
Maximum Power Dissipation Rating170.0 MILLIWATTS
Input Circuit Pattern16 INPUT
Case Outline Source and DesignatorD-10 MIL-M-38510
Terminal Type and Quantity28 PRINTED CIRCUIT
Test Data Document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Terminal Surface TreatmentSOLDER
Voltage Rating and Type Per Characteristic-2.0 VOLTS MINIMUM POWER SOURCE AND 7.0 VOLTS MAXIMUM POWER SOURCE
Memory Device TypePROM
Inclosure ConfigurationDUAL-IN-LINE
Body Height0.210 INCHES MAXIMUM IN
Inclosure MaterialCERAMIC
Features ProvidedHERMETICALLY SEALED AND BURN IN AND ULTRAVIOLET ERASABLE AND W/ENABLE
Body Length1.490 INCHES MAXIMUM IN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6145-00-578-6106 INTERCHANGEABLE
Wire,electrical
3439-01-087-3988AWSA5.12-80 EWP 0.040 7IN. INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
5962-01-152-5595 INTERCHANGEABLE
Microcircuit,memory
5962-01-243-3610 INTERCHANGEABLE
Microcircuit,memory
5962-01-247-5647 INTERCHANGEABLE
Microcircuit,memory
5962-01-254-7869 INTERCHANGEABLE
Microcircuit,memory
5962-01-265-8169 INTERCHANGEABLE
Microcircuit,memory
4320-01-274-460285102 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Magnetic Seal Llc
2805-01-291-335814894 INTERCHANGEABLE
Mount
Brunswick Corp Dba Mercury Marine Div Mercury Marine
5962-01-310-3475 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
27C64A/BXA-20 Philips Semiconductors Inc (USA)
NMC27C64Q20/883 National Semiconductor Corporation (USA)
27C64-20/YA Teledyne Defense Electronics, Llc Dba Teledyne E2v Hirel Electronics (USA)
8510203YX Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
8510203YB Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
8510203YA Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
351-5744-062 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
85102 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
ROM/PROM HEAD 177 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
MD27C64-20/B Intel Corp Sales Office (USA)
585R630H03 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
VA-85-0708-004 Leonardo Uk Ltd (GBR)
VA-85-0708-001 Leonardo Uk Ltd (GBR)
MD27C64-20/BYA Rochester Electronics Llc (USA)
Related Parts
6145-00-578-6106INTERCHANGEABLE
WIRE,ELECTRICAL
3439-01-087-3988INTERCHANGEABLE
ELECTRODE,WELDING
AWSA5.12-80 EWP 0.040 7IN.
5962-01-152-5595INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-243-3610INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-247-5647INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-254-7869INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-265-8169INTERCHANGEABLE
MICROCIRCUIT,MEMORY
4320-01-274-4602INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
85102
2805-01-291-3358INTERCHANGEABLE
MOUNT
14894
5962-01-310-3475INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-439-4371INTERCHANGEABLE
MICROCIRCUIT,MEMORY

Frequently Asked Questions

What is NSN 5962-01-265-8171?

NSN 5962-01-265-8171 is a Microcircuit,memory, manufactured by Philips Semiconductors Inc, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-265-8171?

NSN 5962-01-265-8171 has 14 cross-referenced part numbers: 27C64A/BXA-20 (Philips Semiconductors Inc), NMC27C64Q20/883 (National Semiconductor Corporation), 27C64-20/YA (Teledyne Defense Electronics, Llc Dba Teledyne E2v Hirel Electronics), 8510203YX (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit), 8510203YB (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit) and 9 more.

What NSN replaces 5962-01-265-8171?

There are 11 known substitutes for 5962-01-265-8171: 6145-00-578-6106, 3439-01-087-3988, 5962-01-152-5595 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27C64A/BXA-20?

Key specifications for 27C64A/BXA-20: Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC; Body Width: 0.610 INCHES MAXIMUM IN; Output Logic Form: N-TYPE METAL OXIDE-SEMICONDUCTOR LOGIC; Maximum Power Dissipation Rating: 170.0 MILLIWATTS. 17 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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