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Technical Data Sheet
HM1-7643-2 ✓ 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: 0.302 INCHES MAXIMUM IN, body_height: 0.145 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, body_length: 0.882 INCHES MINIMUM AND 0.925 INCHES MAXIMUM IN, memory_capacity: UNKNOWN, features_provided: BIPOLAR AND PROGRAMMABLE AND W/ENABLE AND 3-STATE OUTPUT AND EXPANDABLE, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-075-7771, 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
HM1-7643-2
NSN: 5962-01-075-7771
FSC: 5962
CAGE: 34371 — RENESAS ELECTRONICS AMERICA INC (USA)
SPECIFICATIONS
body_width0.302 INCHES MAXIMUM IN
body_height0.145 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
body_length0.882 INCHES MINIMUM AND 0.925 INCHES MAXIMUM IN
memory_capacityUNKNOWN
features_providedBIPOLAR AND PROGRAMMABLE AND W/ENABLE AND 3-STATE OUTPUT AND EXPANDABLE
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC
memory_device_typeROM
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
test_data_document82577-932883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_pattern12 INPUT
NSN5962-01-075-7771
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,MEMORY TITLE COMPONENT PN HM1-7643-2 MFR MICROCIRCUIT,MEMORY
KEY FEATURES
INCLOSURE CONFIGURATION: DUAL-IN-LINE
OPERATING TEMP RANGE: -55.0 TO 125.0 CELSIUS DEGC
BODY LENGTH: 0.850 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY: 18 PRINTED CIRCUIT
TERMINAL SURFACE TREATMENT: SOLDER
MEMORY DEVICE TYPE: ROM
VOLTAGE RATING AND TYPE PER CHARACTERISTIC: 5.5 VOLTS MAXIMUM POWER SOURCE
TEST DATA DOCUMENT: 82577-932883 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)
INCLOSURE CONFIGURATIONDUAL-IN-LINE
OPERATING TEMP RANGE-55.0 TO 125.0 CELSIUS DEGC
BODY LENGTH0.850 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY18 PRINTED CIRCUIT
TERMINAL SURFACE TREATMENTSOLDER
MEMORY DEVICE TYPEROM
VOLTAGE RATING AND TYPE PER CHARACTERISTIC5.5 VOLTS MAXIMUM POWER SOURCE
TEST DATA DOCUMENT82577-932883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
TIME RATING PER CHACTERISTIC85.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 85.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
BODY HEIGHT0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
18005Interchangeable
interchangeable cross-reference
interchangeable
180-0.5Interchangeable
interchangeable cross-reference
interchangeable
180-1/2Interchangeable
interchangeable cross-reference
interchangeable
11439Interchangeable
interchangeable cross-reference
interchangeable
2012-T 5Interchangeable
interchangeable cross-reference
interchangeable
B94.11MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HM1-7643-2?
HM1-7643-2 is a MICROCIRCUIT,MEMORY.
What parts can replace HM1-7643-2?
There are 28 known substitutes for HM1-7643-2: 18005, 180-0.5, 180-1/2 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HM1-7643-2?
HM1-7643-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-075-7771. This indicates validated use in U.S. government and defense supply chains.
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