PartsTable
Technical Data Sheet

AT28HC256LE-12LM/883 — MICROCIRCUIT,MEMORY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

AT28HC256LE-12LM/883: MICROCIRCUIT,MEMORY.

The MICROCIRCUIT,MEMORY is a the manufacturer memory module engineered for enterprise server and workstation platforms requiring validated, high-reliability memory. Key specifications include body_width: 0.458 INCHES MAXIMUM IN, body_height: 0.088 INCHES MAXIMUM IN, body_length: 0.560 INCHES MAXIMUM IN, overall_width: 0.458 INCHES MAXIMUM IN, overall_height: 0.120 INCHES MAXIMUM IN, overall_length: 0.560 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5962-01-309-8030, 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
AT28HC256LE-12LM/883
NSN: 5962-01-309-8030
FSC: 5962 — Microcircuits, Electronic
CAGE: 1FN41 — ATMEL CORPORATION (USA)
SPECIFICATIONS
body_width0.458 INCHES MAXIMUM IN
body_height0.088 INCHES MAXIMUM IN
body_length0.560 INCHES MAXIMUM IN
overall_width0.458 INCHES MAXIMUM IN
overall_height0.120 INCHES MAXIMUM IN
overall_length0.560 INCHES MAXIMUM IN
features_providedBIDIRECTIONAL AND BURN IN AND ERASABLE AND ELECTROSTATIC SENSITIVE AND MONOLITHIC AND PROGRAMMABLE
output_logic_formCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
inclosure_materialCERAMIC AND GLASS AND METAL
memory_device_typeROM
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
NSN5962-01-309-8030
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,MEMORY TITLE COMPONENT PN AT28HC256LE-12LM/883 MFR MICROCIRCUIT,MEMORY
KEY FEATURES
•
INPUT CIRCUIT PATTERN: 25 INPUT
•
INCLOSURE MATERIAL: CERAMIC AND GLASS AND METAL
•
TERMINAL SURFACE TREATMENT: SOLDER
•
BODY WIDTH: 0.458 INCHES MAXIMUM IN
•
BODY HEIGHT: 0.088 INCHES MAXIMUM IN
TYPICAL APPLICATIONS
  • Server memory expansion for virtualization workloads
  • Database performance optimization (in-memory computing)
  • VDI and remote desktop session hosting
  • High-performance computing (HPC) clusters
  • Mail server and collaboration platform scaling
  • Application server tier expansion
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.120 INCHES MAXIMUM IN
INPUT CIRCUIT PATTERN25 INPUT
INCLOSURE MATERIALCERAMIC AND GLASS AND METAL
TERMINAL SURFACE TREATMENTSOLDER
BODY WIDTH0.458 INCHES MAXIMUM IN
BODY HEIGHT0.088 INCHES MAXIMUM IN
OVERALL LENGTH0.560 INCHES MAXIMUM IN
OVERALL WIDTH0.458 INCHES MAXIMUM IN
FEATURES PROVIDEDBIDIRECTIONAL AND BURN IN AND ERASABLE AND ELECTROSTATIC SENSITIVE AND MONOLITHIC AND PROGRAMMABLE
INCLOSURE CONFIGURATIONLEADLESS FLAT PACK
OTHER ITEMS IN FSC 5962 — Microcircuits, Electronic
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5962-00-001-1861 5962-00-001-1901 5962-00-001-1902 5962-00-001-1905 5962-00-001-1906 5962-00-001-1907 5962-00-001-1908 5962-00-001-1909
SUBSTITUTES & CROSS-REFERENCES 2
AT28HC256-12LM/883Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ROM/PROMReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is AT28HC256LE-12LM/883?
AT28HC256LE-12LM/883 is a MICROCIRCUIT,MEMORY.
What parts can replace AT28HC256LE-12LM/883?
There are 2 known substitutes for AT28HC256LE-12LM/883: AT28HC256-12LM/883, ROM/PROM. Substitute compatibility should be verified for your specific system.
What is the NSN for AT28HC256LE-12LM/883?
AT28HC256LE-12LM/883 is cataloged in the U.S. Government catalog under NSN 5962-01-309-8030. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.