PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CY7C261-45WMBMicrocircuit,memory

Infineon Technologies Americas Corp. · NSN 5962-01-332-8597 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-332-8597 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-332-8597. Primary manufacturer part number: CY7C261-45WMB.
Features
  • Microcircuit,memory — FSC 5962
  • Features Provided: BURN IN AND MONOLITHIC AND PROGRAMMABLE AND ULTRAVIOLET ERASABLE
  • Terminal Type and Quantity: 24 PRINTED CIRCUIT
  • Voltage Rating and Type Per Characteristic: -0.5 VOLTS MAXIMUM POWER SOURCE AND 7.0 VOLTS MAXIMUM POWER SOURCE
  • 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
  • Case Outline Source and Designator: D-9 MIL-M-38510
  • Test Data Document: 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
  • Memory Device Type: EPROM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,memory, cataloged under National Stock Number 5962-01-332-8597, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-332-8597
Primary Part NumberCY7C261-45WMB
Item NameMicrocircuit,memory
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerInfineon Technologies Americas Corp.
StatusACTIVE
Features ProvidedBURN IN AND MONOLITHIC AND PROGRAMMABLE AND ULTRAVIOLET ERASABLE
Terminal Type and Quantity24 PRINTED CIRCUIT
Voltage Rating and Type Per Characteristic-0.5 VOLTS MAXIMUM POWER SOURCE AND 7.0 VOLTS MAXIMUM POWER SOURCE
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
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.).
Memory Device TypeEPROM
Terminal Surface TreatmentSOLDER
Body Height0.185 INCHES MAXIMUM IN
Body Length1.280 INCHES MAXIMUM IN
Output Logic FormCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Maximum Power Dissipation Rating1.0 WATTS
Body Width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Input Circuit Pattern14 INPUT
Inclosure MaterialCERAMIC
Inclosure ConfigurationDUAL-IN-LINE
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5962-01-279-3738CY7C261-45WMB INTERCHANGEABLE
Microcircuit,memory
Infineon Technologies Americas Corp.
5962-01-306-5559 INTERCHANGEABLE
Microcircuit,memory
5962-01-320-2539 INTERCHANGEABLE
Microcircuit,memory
5962-01-331-7105 INTERCHANGEABLE
Microcircuit,memory
5962-01-356-4377871475-1 INTERCHANGEABLE
Microcircuit,memory
Drs Sustainment Systems Inc
5962-01-356-5307871475-3 INTERCHANGEABLE
Microcircuit,memory
Drs Sustainment Systems Inc
5962-01-356-5308871475-4 INTERCHANGEABLE
Microcircuit,memory
Drs Sustainment Systems Inc
5962-01-360-1551 INTERCHANGEABLE
Microcircuit,memory
5962-01-361-3835 INTERCHANGEABLE
Microcircuit,memory
5962-01-371-4156 INTERCHANGEABLE
Microcircuit,memory
Cross-Reference Index
Part NumberManufacturer
CY7C261-45WMB Infineon Technologies Americas Corp. (USA)
ROM/PROM Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
5962-87515 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
5962-8751505LA Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
5962-8751505LX Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
5962-8751505LX Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
5962-8751505LB Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
Related Parts
5962-01-279-3738INTERCHANGEABLE
MICROCIRCUIT,MEMORY
CY7C261-45WMB
5962-01-306-5559INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-320-2539INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-331-7105INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-356-4377INTERCHANGEABLE
MICROCIRCUIT,MEMORY
871475-1
5962-01-356-5307INTERCHANGEABLE
MICROCIRCUIT,MEMORY
871475-3
5962-01-356-5308INTERCHANGEABLE
MICROCIRCUIT,MEMORY
871475-4
5962-01-360-1551INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-361-3835INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-371-4156INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-382-4254INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-396-2559INTERCHANGEABLE
MICROCIRCUIT,MEMORY
111032-001

Frequently Asked Questions

What is NSN 5962-01-332-8597?

NSN 5962-01-332-8597 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 5962-01-332-8597?

NSN 5962-01-332-8597 has 7 cross-referenced part numbers: CY7C261-45WMB (Infineon Technologies Americas Corp.), ROM/PROM (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 5962-87515 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit), 5962-8751505LA (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit), 5962-8751505LX (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit) and 2 more.

What NSN replaces 5962-01-332-8597?

There are 12 known substitutes for 5962-01-332-8597: 5962-01-279-3738, 5962-01-306-5559, 5962-01-320-2539 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CY7C261-45WMB?

Key specifications for CY7C261-45WMB: Features Provided: BURN IN AND MONOLITHIC AND PROGRAMMABLE AND ULTRAVIOLET ERASABLE; Terminal Type and Quantity: 24 PRINTED CIRCUIT; Voltage Rating and Type Per Characteristic: -0.5 VOLTS MAXIMUM POWER SOURCE AND 7.0 VOLTS MAXIMUM POWER SOURCE; 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. 18 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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