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PartsTable / COMPONENT / AT27C256R-45/XA
AT27C256R-45/XA ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The AT27C256R-45/XA is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-603-2776, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
AT27C256R-45/XA
NSN: 5962-01-603-2776
FSC: 5962
CAGE: 0C7V7 — TELEDYNE DEFENSE ELECTRONICS, LLC DBA TELEDYNE E2V HIREL ELECTRONICS (USA)
SPECIFICATIONS
Part NumberAT27C256R-45/XA
NSN5962-01-603-2776
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available AT27C256R-45/XA TITLE COMPONENT PN AT27C256R-45/XA MFR AT27C256R-45/XA
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYMICROCIRCUIT, MEMORY, DIGITAL, CMOS, 262, 144-BIT (32KX8) UV ERASABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
10328209Interchangeable
interchangeable cross-reference
interchangeable
AM27C256-250/BXAInterchangeable
interchangeable cross-reference
interchangeable
SM27C256-25JMInterchangeable
interchangeable cross-reference
interchangeable
VM27C256KMB-25Interchangeable
interchangeable cross-reference
interchangeable
5962-86063Interchangeable
interchangeable cross-reference
interchangeable
5962-8606302YXInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AT27C256R-45/XA?
AT27C256R-45/XA is a AT27C256R-45/XA.
What parts can replace AT27C256R-45/XA?
There are 29 known substitutes for AT27C256R-45/XA: 10328209, AM27C256-250/BXA, SM27C256-25JM and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AT27C256R-45/XA?
AT27C256R-45/XA is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-603-2776. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026