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Technical Data Sheet
S644694A ✓ 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,DIGITAL is a the manufacturer industrial component. Key specifications include body_width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, body_height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 0.840 INCHES MAXIMUM IN, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, inclosure_material: CERAMIC, storage_temp_range: -65.0 TO 150.0 CELSIUS DEGC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-236-9151, 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
S644694A
NSN: 3020-00-236-9151
FSC: 3020
CAGE: 65054 — WESTINGHOUSE ELECTRIC CORP POWER GENERATION-GENERATOR DIV (USA)
SPECIFICATIONS
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.840 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND LOW POWER AND SCHOTTKY AND ASYNCHRONOUS AND EDGE TRIGGERED AND PRESETTABLE AND PROGRAMMABLE AND SYNCHRONOUS AND W/ENABLE
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_pattern8 INPUT
inclosure_configurationDUAL-IN-LINE
terminal_surface_treatmentSOLDER
terminal_type_and_quantity16 PRINTED CIRCUIT
NSN3020-00-236-9151
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN S644694A MFR MICROCIRCUIT,DIGITAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
5962PL2157512Interchangeable
interchangeable cross-reference
interchangeable
1820-1279Interchangeable
interchangeable cross-reference
interchangeable
SN74LS190Interchangeable
interchangeable cross-reference
interchangeable
644694Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S644694A?
S644694A is a MICROCIRCUIT,DIGITAL.
What parts can replace S644694A?
There are 4 known substitutes for S644694A: 5962PL2157512, 1820-1279, SN74LS190 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S644694A?
S644694A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-236-9151. This indicates validated use in U.S. government and defense supply chains.
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