PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WS57C49B-55TMBMicrocircuit,memory

Waferscale Integration Inc · NSN 5962-01-331-7105 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-331-7105 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-331-7105. Primary manufacturer part number: WS57C49B-55TMB.
Features
  • Microcircuit,memory — FSC 5962
  • Output Logic Form: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
  • Inclosure Configuration: DUAL-IN-LINE
  • Current Rating Per Characteristic: 120.00 MILLIAMPERES MAXIMUM SUPPLY
  • Memory Device Type: EPROM
  • Terminal Surface Treatment: SOLDER
  • Voltage Rating and Type Per Characteristic: -0.5 VOLTS MINIMUM POWER SOURCE AND 7.0 VOLTS MAXIMUM POWER SOURCE
  • Terminal Type and Quantity: 24 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 5962-01-331-7105, 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 Waferscale Integration Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 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
NSN5962-01-331-7105
Primary Part NumberWS57C49B-55TMB
Item NameMicrocircuit,memory
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerWaferscale Integration Inc
StatusACTIVE
Output Logic FormCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Inclosure ConfigurationDUAL-IN-LINE
Current Rating Per Characteristic120.00 MILLIAMPERES MAXIMUM SUPPLY
Memory Device TypeEPROM
Terminal Surface TreatmentSOLDER
Voltage Rating and Type Per Characteristic-0.5 VOLTS MINIMUM POWER SOURCE AND 7.0 VOLTS MAXIMUM POWER SOURCE
Terminal Type and Quantity24 PRINTED CIRCUIT
Case Outline Source and DesignatorD-9 MIL-M-38510
Test Data Document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Body Width5.59 MILLIMETERS MINIMUM AND 7.87 MILLIMETERS MAXIMUM MM
Features ProvidedULTRAVIOLET ERASABLE AND MONOLITHIC AND PROGRAMMABLE AND W/DISABLE
Input Circuit Pattern14 INPUT
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Length32.51 MILLIMETERS MAXIMUM MM
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Body Height4.40 MILLIMETERS MAXIMUM MM
Maximum Power Dissipation Rating1.0 WATTS
Inclosure MaterialCERAMIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5962-01-306-5559 INTERCHANGEABLE
Microcircuit,memory
5962-01-320-2539 INTERCHANGEABLE
Microcircuit,memory
5962-01-332-8597 INTERCHANGEABLE
Microcircuit,memory
5962-01-352-0999G454318-10 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon Co
5962-01-352-1000G454318-20 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon Co
5962-01-360-1551 INTERCHANGEABLE
Microcircuit,memory
5962-01-371-4156 INTERCHANGEABLE
Microcircuit,memory
5962-01-382-4254 INTERCHANGEABLE
Microcircuit,memory
5962-01-434-9097 INTERCHANGEABLE
Microcircuit,memory
5962-01-451-8150 INTERCHANGEABLE
Microcircuit,memory
Cross-Reference Index
Part NumberManufacturer
WS57C49B-55TMB Waferscale Integration Inc (USA)
5962-8751502BLX Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
5962-8751502BLA Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
5962-8751502LX Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
5962-8751502BLB Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
5962-8751502LB Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
5962-8751502LA Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
AT27HC642-55DM/883 Atmel Corporation (USA)
H990755-001B Raytheon Company Dba Raytheon (USA)
5962-87515 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
ROM/PROM Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
Related Parts
5962-01-306-5559INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-320-2539INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-332-8597INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-352-0999INTERCHANGEABLE
MICROCIRCUIT,MEMORY
G454318-10
5962-01-352-1000INTERCHANGEABLE
MICROCIRCUIT,MEMORY
G454318-20
5962-01-360-1551INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-371-4156INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-382-4254INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-434-9097INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-451-8150INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-666-2623INTERCHANGEABLE
MICROCIRCUIT,MEMORY

Frequently Asked Questions

What is NSN 5962-01-331-7105?

NSN 5962-01-331-7105 is a Microcircuit,memory, manufactured by Waferscale Integration Inc, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-331-7105?

NSN 5962-01-331-7105 has 11 cross-referenced part numbers: WS57C49B-55TMB (Waferscale Integration Inc), 5962-8751502BLX (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit), 5962-8751502BLA (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit), 5962-8751502LX (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit), 5962-8751502BLB (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit) and 6 more.

What NSN replaces 5962-01-331-7105?

There are 11 known substitutes for 5962-01-331-7105: 5962-01-306-5559, 5962-01-320-2539, 5962-01-332-8597 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WS57C49B-55TMB?

Key specifications for WS57C49B-55TMB: Output Logic Form: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC; Inclosure Configuration: DUAL-IN-LINE; Current Rating Per Characteristic: 120.00 MILLIAMPERES MAXIMUM SUPPLY; Memory Device Type: EPROM. 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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