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Technical Data Sheet
DM54LS221J ✓ 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: W/SCHMITT TRIGGER AND MONOLITHIC, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, inclosure_material: CERAMIC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-067-4987, 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
DM54LS221J
NSN: 5962-01-067-4987
FSC: 5962
CAGE: 27014 — NATIONAL SEMICONDUCTOR CORPORATION (USA)
SPECIFICATIONS
body_width0.280 INCHES MAXIMUM IN
body_height0.180 INCHES NOMINAL IN
body_length0.785 INCHES MAXIMUM IN
features_providedW/SCHMITT TRIGGER AND MONOLITHIC
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 3 INPUT
special_test_featuresTESTED PER BASE TEN SYSTEMS DWG 21801
inclosure_configurationDUAL-IN-LINE
terminal_surface_treatmentSOLDER
NSN5962-01-067-4987
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN DM54LS221J MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
SPECIFICATION/STANDARD DATA: 81349-MIL-M-38510/314 GOVERNMENT SPECIFICATION
INPUT CIRCUIT PATTERN: DUAL 3 INPUT
BODY LENGTH: 0.840 INCHES MAXIMUM IN
INCLOSURE CONFIGURATION: DUAL-IN-LINE
TERMINAL TYPE AND QUANTITY: 16 PRINTED CIRCUIT
BODY HEIGHT: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
BODY WIDTH: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
INCLOSURE MATERIAL: CERAMIC AND GLASS
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81349-MIL-M-38510/314 GOVERNMENT SPECIFICATION
INPUT CIRCUIT PATTERNDUAL 3 INPUT
BODY LENGTH0.840 INCHES MAXIMUM IN
INCLOSURE CONFIGURATIONDUAL-IN-LINE
TERMINAL TYPE AND QUANTITY16 PRINTED CIRCUIT
BODY HEIGHT0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
BODY WIDTH0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
INCLOSURE MATERIALCERAMIC AND GLASS
VOLTAGE RATING AND TYPE PER CHARACTERISTIC5.5 VOLTS MAXIMUM POWER SOURCE
CASE OUTLINE SOURCE AND DESIGNATORD-2 MIL-M-38510
VERIFIED SUBSTITUTES & CROSS-REFERENCES 37
0W363Interchangeable
interchangeable cross-reference
interchangeable
01845-1446Interchangeable
interchangeable cross-reference
interchangeable
208377Interchangeable
interchangeable cross-reference
interchangeable
74LS221BInterchangeable
interchangeable cross-reference
interchangeable
SNC54LS221-JInterchangeable
interchangeable cross-reference
interchangeable
JM38510/31401BEAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DM54LS221J?
DM54LS221J is a MICROCIRCUIT,DIGITAL.
What parts can replace DM54LS221J?
There are 37 known substitutes for DM54LS221J: 0W363, 01845-1446, 208377 and 34 more. Substitute compatibility should be verified for your specific system.
Is DM54LS221J still available?
DM54LS221J is currently cancelled.
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