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Technical Data Sheet
U74LS51 ✓ 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: 0.255 INCHES MAXIMUM IN, body_height: 0.180 INCHES MAXIMUM IN, body_length: 0.770 INCHES MAXIMUM IN, features_provided: MONOLITHIC, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, inclosure_material: CERAMIC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-109-9776, 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
U74LS51
NSN: 5962-01-109-9776
FSC: 5962
CAGE: U0352 — DRS RUGGED SYSTEMS (EUROPE) LTD (GBR)
SPECIFICATIONS
body_width0.255 INCHES MAXIMUM IN
body_height0.180 INCHES MAXIMUM IN
body_length0.770 INCHES MAXIMUM IN
features_providedMONOLITHIC
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range+0.0 TO 70.0 CELSIUS DEGC
input_circuit_pattern10 INPUT
inclosure_configurationDUAL-IN-LINE
design_function_and_quantity2 GATE, AND-OR INVERT
time_rating_per_chacteristic10.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 10.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
NSN5962-01-109-9776
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN U74LS51 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
BODY HEIGHT: 0.180 INCHES MAXIMUM IN
FEATURES PROVIDED: MONOLITHIC
INCLOSURE MATERIAL: CERAMIC
MAXIMUM POWER DISSIPATION RATING: 500.0 MILLIWATTS
TIME RATING PER CHACTERISTIC: 10.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 10.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
INCLOSURE CONFIGURATION: DUAL-IN-LINE
OUTPUT LOGIC FORM: TRANSISTOR-TRANSISTOR LOGIC
BODY LENGTH: 0.770 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY HEIGHT0.180 INCHES MAXIMUM IN
FEATURES PROVIDEDMONOLITHIC
INCLOSURE MATERIALCERAMIC
MAXIMUM POWER DISSIPATION RATING500.0 MILLIWATTS
TIME RATING PER CHACTERISTIC10.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 10.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
INCLOSURE CONFIGURATIONDUAL-IN-LINE
OUTPUT LOGIC FORMTRANSISTOR-TRANSISTOR LOGIC
BODY LENGTH0.770 INCHES MAXIMUM IN
INPUT CIRCUIT PATTERN10 INPUT
DESIGN FUNCTION AND QUANTITY2 GATE, AND-OR INVERT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
432208069561Interchangeable
interchangeable cross-reference
interchangeable
404584-46Interchangeable
interchangeable cross-reference
interchangeable
SN53517Interchangeable
Same NIIN cross-reference
interchangeable
1820-1210Interchangeable
Same NIIN cross-reference
interchangeable
DM74LS51NInterchangeable
Same NIIN cross-reference
interchangeable
74LS51NInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is U74LS51?
U74LS51 is a MICROCIRCUIT,DIGITAL.
What parts can replace U74LS51?
There are 7 known substitutes for U74LS51: 432208069561, 404584-46, SN53517 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for U74LS51?
U74LS51 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-109-9776. This indicates validated use in U.S. government and defense supply chains.
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