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1820-1278 — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1820-1278: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include body_width: 0.250 INCHES NOMINAL IN, body_height: 0.180 INCHES MAXIMUM IN, body_length: 0.870 INCHES MAXIMUM IN, features_provided: W/ENABLE AND SYNCHRONOUS AND REVERSIBLE UP/DOWN AND W/CLOCK AND PRESETTABLE, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, inclosure_material: PLASTIC. This part is cataloged in the U.S.

Government catalog under NSN 5962-01-237-2538, 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
1820-1278
NSN: 5962-01-237-2538
FSC: 5962 — Microcircuits, Electronic
CAGE: 7ZXR5 — KEYSIGHT TECHNOLOGIES INC (USA)
SPECIFICATIONS
body_width0.250 INCHES NOMINAL IN
body_height0.180 INCHES MAXIMUM IN
body_length0.870 INCHES MAXIMUM IN
features_providedW/ENABLE AND SYNCHRONOUS AND REVERSIBLE UP/DOWN AND W/CLOCK AND PRESETTABLE
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialPLASTIC
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range+0.0 TO 70.0 CELSIUS DEGC
input_circuit_pattern8 INPUT
inclosure_configurationDUAL-IN-LINE
terminal_surface_treatmentSOLDER
design_function_and_quantity1 COUNTER, UP/DOWN
NSN5962-01-237-2538
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 1820-1278 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
INPUT CIRCUIT PATTERN: 8 INPUT
•
INCLOSURE MATERIAL: PLASTIC
•
TERMINAL SURFACE TREATMENT: SOLDER
•
DESIGN FUNCTION AND QUANTITY: 1 COUNTER, UP/DOWN
•
BODY WIDTH: 0.250 INCHES NOMINAL IN
•
BODY HEIGHT: 0.180 INCHES MAXIMUM IN
•
FEATURES PROVIDED: W/ENABLE AND SYNCHRONOUS AND REVERSIBLE UP/DOWN AND W/CLOCK AND PRESETTABLE
•
INCLOSURE CONFIGURATION: DUAL-IN-LINE
TECHNICAL CHARACTERISTICS
INPUT CIRCUIT PATTERN8 INPUT
INCLOSURE MATERIALPLASTIC
TERMINAL SURFACE TREATMENTSOLDER
DESIGN FUNCTION AND QUANTITY1 COUNTER, UP/DOWN
BODY WIDTH0.250 INCHES NOMINAL IN
BODY HEIGHT0.180 INCHES MAXIMUM IN
FEATURES PROVIDEDW/ENABLE AND SYNCHRONOUS AND REVERSIBLE UP/DOWN AND W/CLOCK AND PRESETTABLE
INCLOSURE CONFIGURATIONDUAL-IN-LINE
BODY LENGTH0.870 INCHES MAXIMUM IN
STORAGE TEMP RANGE-65.0 TO 150.0 CELSIUS DEGC
SUBSTITUTES & CROSS-REFERENCES 2
DM74LS191NReference document
Same NSN cross-reference
Reference document — Secondary reference
SN74LS191NReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1820-1278?
1820-1278 is a MICROCIRCUIT,DIGITAL.
What parts can replace 1820-1278?
There are 2 known substitutes for 1820-1278: DM74LS191N, SN74LS191N. Substitute compatibility should be verified for your specific system.
What is the NSN for 1820-1278?
1820-1278 is cataloged in the U.S. Government catalog under NSN 5962-01-237-2538. This indicates validated use in U.S. government and defense supply chains.
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