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Technical Data Sheet
PartsTable / COMPONENT / 91588455
91588455 ✓ 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 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: 0.510 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN, body_height: 0.145 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN, body_length: 1.440 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN, bit_quantity: 262144, word_quantity: 32768, features_provided: ELECTROSTATIC SENSITIVE AND ULTRAVIOLET ERASABLE AND W/ENABLE AND PROGRAMMABLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-266-8054, 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
91588455
NSN: 5962-01-266-8054
FSC: 5962
CAGE: F6481 — THALES SA (FRA)
SPECIFICATIONS
body_width0.510 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN
body_height0.145 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
body_length1.440 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
bit_quantity262144
word_quantity32768
features_providedELECTROSTATIC SENSITIVE AND ULTRAVIOLET ERASABLE AND W/ENABLE AND PROGRAMMABLE
output_logic_formMETAL OXIDE-SEMICONDUCTOR LOGIC
inclosure_materialCERAMIC
memory_device_typeROM
storage_temp_range-65.0 TO 125.0 CELSIUS DEGC
test_data_document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
operating_temp_range+0.0 TO 70.0 CELSIUS DEGC
NSN5962-01-266-8054
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,MEMORY TITLE COMPONENT PN 91588455 MFR MICROCIRCUIT,MEMORY
KEY FEATURES
•
BODY WIDTH: 0.510 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN
•
TIME RATING PER CHACTERISTIC: 250.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 250.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
•
TERMINAL SURFACE TREATMENT: SOLDER
•
OPERATING TEMP RANGE: +0.0 TO 70.0 CELSIUS DEGC
•
MEMORY DEVICE TYPE: ROM
•
OUTPUT LOGIC FORM: METAL OXIDE-SEMICONDUCTOR LOGIC
•
INPUT CIRCUIT PATTERN: 17 INPUT
•
TEST DATA DOCUMENT: 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
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 (FLIS)
BODY WIDTH0.510 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN
TIME RATING PER CHACTERISTIC250.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 250.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
TERMINAL SURFACE TREATMENTSOLDER
OPERATING TEMP RANGE+0.0 TO 70.0 CELSIUS DEGC
MEMORY DEVICE TYPEROM
OUTPUT LOGIC FORMMETAL OXIDE-SEMICONDUCTOR LOGIC
INPUT CIRCUIT PATTERN17 INPUT
TEST DATA DOCUMENT96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
BODY LENGTH1.440 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
MAXIMUM POWER DISSIPATION RATING525.0 MILLIWATTS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
580827Interchangeable
interchangeable cross-reference
interchangeable
8698694Interchangeable
interchangeable cross-reference
interchangeable
84111Interchangeable
interchangeable cross-reference
interchangeable
8411101YXInterchangeable
interchangeable cross-reference
interchangeable
MD27256-35Interchangeable
interchangeable cross-reference
interchangeable
ROM/PROM FAMILY 071Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91588455?
91588455 is a MICROCIRCUIT,MEMORY.
What parts can replace 91588455?
There are 16 known substitutes for 91588455: 580827, 8698694, 84111 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 91588455?
91588455 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-266-8054. 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