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Technical Data Sheet
DM54LS21J/883 ✓ 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 DM54LS21J/883 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-248-9490, 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
DM54LS21J/883
NSN: 5962-01-248-9490
FSC: 5962
CAGE: 27014 — NATIONAL SEMICONDUCTOR CORPORATION (USA)
SPECIFICATIONS
Part NumberDM54LS21J/883
NSN5962-01-248-9490
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DM54LS21J/883 TITLE COMPONENT PN DM54LS21J/883 MFR DM54LS21J/883
KEY FEATURES
OUTPUT LOGIC FORM: TRANSISTOR-TRANSISTOR LOGIC
FEATURES PROVIDED: BURN IN
OPERATING TEMP RANGE: +0.0 TO 70.0 CELSIUS DEGC
INCLOSURE MATERIAL: PLASTIC
DESIGN FUNCTION AND QUANTITY: 2 GATE, AND
BODY LENGTH: 0.796 INCHES MAXIMUM IN
TEST DATA DOCUMENT: 16331-63A133588 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
BODY WIDTH: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTPUT LOGIC FORMTRANSISTOR-TRANSISTOR LOGIC
FEATURES PROVIDEDBURN IN
OPERATING TEMP RANGE+0.0 TO 70.0 CELSIUS DEGC
INCLOSURE MATERIALPLASTIC
DESIGN FUNCTION AND QUANTITY2 GATE, AND
BODY LENGTH0.796 INCHES MAXIMUM IN
TEST DATA DOCUMENT16331-63A133588 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
BODY WIDTH0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
INPUT CIRCUIT PATTERNDUAL 4 INPUT
INCLOSURE CONFIGURATIONDUAL-IN-LINE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
477-1359-004Interchangeable
interchangeable cross-reference
interchangeable
SC27441LHInterchangeable
interchangeable cross-reference
interchangeable
308738-2Interchangeable
interchangeable cross-reference
interchangeable
540040021Interchangeable
interchangeable cross-reference
interchangeable
SN74LS21NInterchangeable
interchangeable cross-reference
interchangeable
172-0021Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DM54LS21J/883?
DM54LS21J/883 is a DM54LS21J/883.
What parts can replace DM54LS21J/883?
There are 11 known substitutes for DM54LS21J/883: 477-1359-004, SC27441LH, 308738-2 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DM54LS21J/883?
DM54LS21J/883 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-248-9490. This indicates validated use in U.S. government and defense supply chains.
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