PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EA42256-2BMicrocircuit,memory

Nec Electronics Usa Inc Electronic Arrays Div · NSN 5962-00-434-3072 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-00-434-3072 — this item is cataloged by the U.S. Government under National Stock Number 5962-00-434-3072. Primary manufacturer part number: EA42256-2B.
Features
  • Microcircuit,memory — FSC 5962
  • Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC
  • Inclosure Configuration: DUAL-IN-LINE
  • Features Provided: MONOLITHIC AND HERMETICALLY SEALED AND NEGATIVE OUTPUTS AND W/BUFFERED OUTPUT AND W/DECODED OUTPUT AND PROGRAMMABLE AND PROGRAMMED
  • Output Logic Form: P-TYPE METAL OXIDE-SEMICONDUCTOR LOGIC
  • Test Data Document: 12464-B77T0197 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • Terminal Surface Treatment: GOLD
  • Time Rating Per Chacteristic: 600.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT NS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,memory, cataloged under National Stock Number 5962-00-434-3072, 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 Nec Electronics Usa Inc Electronic Arrays Div. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-00-434-3072
Primary Part NumberEA42256-2B
Item NameMicrocircuit,memory
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNec Electronics Usa Inc Electronic Arrays Div
StatusACTIVE
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Inclosure ConfigurationDUAL-IN-LINE
Features ProvidedMONOLITHIC AND HERMETICALLY SEALED AND NEGATIVE OUTPUTS AND W/BUFFERED OUTPUT AND W/DECODED OUTPUT AND PROGRAMMABLE AND PROGRAMMED
Output Logic FormP-TYPE METAL OXIDE-SEMICONDUCTOR LOGIC
Test Data Document12464-B77T0197 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Terminal Surface TreatmentGOLD
Time Rating Per Chacteristic600.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT NS
Precious Material and LocationTERMINAL SURFACE GOLD
Voltage Rating and Type Per Characteristic0.5 VOLTS MAXIMUM POWER SOURCE
Precious MaterialGOLD
Terminal Type and Quantity24 PRINTED CIRCUIT
Memory Device TypeROM
Maximum Power Dissipation Rating1.3 WATTS
Body Width0.530 INCHES MAXIMUM IN
Body Length1.208 INCHES MINIMUM AND 1.232 INCHES MAXIMUM IN
Input Circuit Pattern10 INPUT
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Height0.120 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
Inclosure MaterialCERAMIC AND METAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5962-00-434-3071 INTERCHANGEABLE
Microcircuit,memory
5962-00-454-8123128C923H01 INTERCHANGEABLE
Microcircuit,digital
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5962-00-454-8125128C922H01 INTERCHANGEABLE
Microcircuit,digital
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5962-00-454-8143128C958H01 INTERCHANGEABLE
Microcircuit,digital
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5962-00-470-2574 INTERCHANGEABLE
Microcircuit,memory
5962-00-534-76046088734-2 INTERCHANGEABLE
Microcircuit Set
Lockheed Martin Corporation Div Rotary and Mission Systems
5962-00-551-9475 INTERCHANGEABLE
Microcircuit,memory
5962-00-556-45904231Z INTERCHANGEABLE
Microcircuit,digital
Ncm Corp
5962-01-011-0389 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
EA42256-2B Nec Electronics Usa Inc Electronic Arrays Div (USA)
B77T0197-1423 Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co (USA)
DMS 80018B Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
Related Parts
5962-00-434-3071INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-00-454-8123INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
128C923H01
5962-00-454-8125INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
128C922H01
5962-00-454-8143INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
128C958H01
5962-00-470-2574INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-00-534-7604INTERCHANGEABLE
MICROCIRCUIT SET
6088734-2
5962-00-551-9475INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-00-556-4590INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4231Z
5962-01-011-0389INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5962-00-434-3072?

NSN 5962-00-434-3072 is a Microcircuit,memory, manufactured by Nec Electronics Usa Inc Electronic Arrays Div, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-00-434-3072?

NSN 5962-00-434-3072 has 3 cross-referenced part numbers: EA42256-2B (Nec Electronics Usa Inc Electronic Arrays Div), B77T0197-1423 (Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co), DMS 80018B (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).

What NSN replaces 5962-00-434-3072?

There are 9 known substitutes for 5962-00-434-3072: 5962-00-434-3071, 5962-00-454-8123, 5962-00-454-8125 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of EA42256-2B?

Key specifications for EA42256-2B: Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC; Inclosure Configuration: DUAL-IN-LINE; Features Provided: MONOLITHIC AND HERMETICALLY SEALED AND NEGATIVE OUTPUTS AND W/BUFFERED OUTPUT AND W/DECODED OUTPUT AND PROGRAMMABLE AND PROGRAMMED; Output Logic Form: P-TYPE METAL OXIDE-SEMICONDUCTOR LOGIC. 19 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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