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Technical Data Sheet
54LS20DM ✓ 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: 0.280 INCHES MAXIMUM IN, body_height: 0.180 INCHES NOMINAL IN, body_length: 0.785 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED AND LOW POWER AND MONOLITHIC AND SCHOTTKY, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, inclosure_material: CERAMIC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-026-2493, 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
54LS20DM
NSN: 5962-01-026-2493
FSC: 5962
CAGE: 07263 — FAIRCHILD SEMICONDUCTOR CORP (USA)
SPECIFICATIONS
body_width0.280 INCHES MAXIMUM IN
body_height0.180 INCHES NOMINAL IN
body_length0.785 INCHES MAXIMUM IN
special_featuresNUCLEAR HARDNESS CRITICAL ITEM; NO DRAWING TO DETERMINE IF ISC CODE 1 ITEM SHOULD ALSO BE NUCLEAR HARDNESS. CAN'T CHANGE CRITICALITY CODE TO REFLECT NUCLEAR HARDNESS
features_providedHERMETICALLY SEALED AND LOW POWER AND MONOLITHIC AND SCHOTTKY
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_patternDUAL 4 INPUT
special_test_featuresTESTED PER BASE TEN SYSTEMS DWG 20296
end_item_identificationFTF-15 COMMON AGE
NSN5962-01-026-2493
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 54LS20DM MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
BODY WIDTH: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
TIME RATING PER CHACTERISTIC: 20.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT NS
INCLOSURE MATERIAL: GLASS OR METAL OR CERAMIC
SPECIFICATION/STANDARD DATA: 81349-MIL-M-38510/300 GOVERNMENT SPECIFICATION
BODY HEIGHT: 0.185 INCHES MAXIMUM IN
OUTPUT LOGIC FORM: TRANSISTOR-TRANSISTOR LOGIC
BODY LENGTH: 0.785 INCHES MAXIMUM IN
INPUT CIRCUIT PATTERN: DUAL 4 INPUT
TECHNICAL CHARACTERISTICS (FLIS)
BODY WIDTH0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
TIME RATING PER CHACTERISTIC20.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT NS
INCLOSURE MATERIALGLASS OR METAL OR CERAMIC
SPECIFICATION/STANDARD DATA81349-MIL-M-38510/300 GOVERNMENT SPECIFICATION
BODY HEIGHT0.185 INCHES MAXIMUM IN
OUTPUT LOGIC FORMTRANSISTOR-TRANSISTOR LOGIC
BODY LENGTH0.785 INCHES MAXIMUM IN
INPUT CIRCUIT PATTERNDUAL 4 INPUT
CASE OUTLINE SOURCE AND DESIGNATORD-1 MIL-M-38510
TERMINAL TYPE AND QUANTITY14 PRINTED CIRCUIT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
103969Interchangeable
interchangeable cross-reference
interchangeable
103969-001Interchangeable
interchangeable cross-reference
interchangeable
1819942Interchangeable
interchangeable cross-reference
interchangeable
1111614Interchangeable
interchangeable cross-reference
interchangeable
C2080338-3Interchangeable
interchangeable cross-reference
interchangeable
9LS20DCInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54LS20DM?
54LS20DM is a MICROCIRCUIT,DIGITAL.
What parts can replace 54LS20DM?
There are 33 known substitutes for 54LS20DM: 103969, 103969-001, 1819942 and 30 more. Substitute compatibility should be verified for your specific system.
Is 54LS20DM still available?
54LS20DM is currently cancelled.
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