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Technical Data Sheet
221646-1 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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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: 0.200 INCHES MAXIMUM IN, body_length: 0.840 INCHES MAXIMUM IN, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, inclosure_material: SILICON, operating_temp_range: -55.0 TO 125.0 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 6625-01-064-9479, 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
221646-1
NSN: 6625-01-064-9479
FSC: 6625
CAGE: 15280 — NORTHROP GRUMMAN SYSTEMS CORPORATION DIV ES DEFENSIVE SYSTEMS DIVISION (USA)
SPECIFICATIONS
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
body_height0.200 INCHES MAXIMUM IN
body_length0.840 INCHES MAXIMUM IN
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialSILICON
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
body_outside_diameter0.290 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
inclosure_configurationDUAL-IN-LINE
terminal_surface_treatmentSOLDER
terminal_type_and_quantity16 PRINTED CIRCUIT
specification/standard_data81349-MIL-M-38510/301 GOVERNMENT SPECIFICATION
design_function_and_quantity6 FLIP-FLOP, D-TYPE, CLOCKED
NSN6625-01-064-9479
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 221646-1 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATERIAL IS ALUMINUM ALLOY 5052-H32 PER QQ-A-225/7; SURFACE TREATMENT-APPLICATION OF CHEMICAL FILM PER DV-PST-27,TYPE II,CLASS 2; HAS ID MARKING PER DV-PSN-3-B; IS 6.625 IN. LG,0.250 IN. DIA IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATERIAL IS ALUMINUM ALLOY 5052-H32 PER QQ-A-225/7; SURFACE TREATMENT-APPLICATION OF CHEMICAL FILM PER DV-PST-27,TYPE II,CLASS 2; HAS ID MARKING PER DV-PSN-3-B; IS 6.625 IN. LG,0.250 IN. DIA IN
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATERIAL IS ALUMINUM ALLOY 5052-H32 PER QQ-A-225/7; SURFACE TREATMENT-APPLICATION OF CHEMICAL FILM PER DV-PST-27,TYPE II,CLASS 2; HAS ID MARKING PER DV-PSN-3-B; IS 6.625 IN. LG,0.250 IN. DIA IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
221646-1Interchangeable
interchangeable cross-reference
interchangeable
SN74LS174Interchangeable
interchangeable cross-reference
interchangeable
10253Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 221646-1?
221646-1 is a MICROCIRCUIT,DIGITAL.
What parts can replace 221646-1?
There are 3 known substitutes for 221646-1: 221646-1, SN74LS174, 10253. Substitute compatibility should be verified for your specific system.
What is the NSN for 221646-1?
221646-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-064-9479. This indicates validated use in U.S. government and defense supply chains.
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