PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CY7C261-45WMBMicrocircuit,memory

Infineon Technologies Americas Corp. · NSN 5962-01-279-3738 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-279-3738 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-279-3738. Primary manufacturer part number: CY7C261-45WMB.
Features
  • Microcircuit,memory — FSC 5962
  • Inclosure Material: CERAMIC
  • Body Height: 0.140 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
  • Voltage Rating and Type Per Characteristic: 7.0 VOLTS MAXIMUM POWER SOURCE
  • Terminal Type and Quantity: 24 PRINTED CIRCUIT
  • Terminal Surface Treatment: SOLDER
  • Time Rating Per Chacteristic: 45.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 45.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
  • Memory Device Type: ROM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,memory, cataloged under National Stock Number 5962-01-279-3738, 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 Infineon Technologies Americas Corp.. Government technical data includes 16 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-279-3738
Primary Part NumberCY7C261-45WMB
Item NameMicrocircuit,memory
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerInfineon Technologies Americas Corp.
StatusACTIVE
Inclosure MaterialCERAMIC
Body Height0.140 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
Voltage Rating and Type Per Characteristic7.0 VOLTS MAXIMUM POWER SOURCE
Terminal Type and Quantity24 PRINTED CIRCUIT
Terminal Surface TreatmentSOLDER
Time Rating Per Chacteristic45.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 45.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
Memory Device TypeROM
Input Circuit Pattern14 INPUT
Body Width0.245 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
Output Logic FormCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Length1.230 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
Features ProvidedMONOLITHIC AND PROGRAMMABLE AND HIGH SPEED
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Inclosure ConfigurationDUAL-IN-LINE
Maximum Power Dissipation Rating660.0 MILLIWATTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5962-01-332-8597 INTERCHANGEABLE
Microcircuit,memory
Cross-Reference Index
Part NumberManufacturer
CY7C261-45WMB 2 MB Distribution (FRA)
ROM/PROM Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
CY7C261-45WMB PRIMARY Infineon Technologies Americas Corp. (USA)
Related Parts
5962-01-332-8597INTERCHANGEABLE
MICROCIRCUIT,MEMORY

Frequently Asked Questions

What is NSN 5962-01-279-3738?

NSN 5962-01-279-3738 is a Microcircuit,memory, manufactured by Infineon Technologies Americas Corp., classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-279-3738?

NSN 5962-01-279-3738 has 3 cross-referenced part numbers: CY7C261-45WMB (2 MB Distribution), ROM/PROM (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), CY7C261-45WMB (Infineon Technologies Americas Corp.).

What NSN replaces 5962-01-279-3738?

There is 1 known substitute for 5962-01-279-3738: 5962-01-332-8597. Verify interchangeability with system specifications before substitution.

What are the specifications of CY7C261-45WMB?

Key specifications for CY7C261-45WMB: Inclosure Material: CERAMIC; Body Height: 0.140 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN; Voltage Rating and Type Per Characteristic: 7.0 VOLTS MAXIMUM POWER SOURCE; Terminal Type and Quantity: 24 PRINTED CIRCUIT. 16 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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