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PartsTable / COMPONENT / 54157DMQB
54157DMQB ✓ 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: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN, body_height: 0.145 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 0.740 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN, features_provided: HIGH SPEED AND 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 5962-00-543-2299, 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
54157DMQB
NSN: 5962-00-543-2299
FSC: 5962
CAGE: 27014 — NATIONAL SEMICONDUCTOR CORPORATION (USA)
SPECIFICATIONS
body_width0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
body_height0.145 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.740 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
features_providedHIGH SPEED AND MONOLITHIC
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
test_data_document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_pattern2 INPUT
inclosure_configurationDUAL-IN-LINE
design_function_and_quantity4 MULTIPLEXER
NSN5962-00-543-2299
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 54157DMQB MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
BODY LENGTH: 0.740 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
•
TEST DATA DOCUMENT: 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
•
DESIGN FUNCTION AND QUANTITY: 4 MULTIPLEXER, TWO TO ONE LINE
•
TIME RATING PER CHACTERISTIC: 23.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 27.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
•
INCLOSURE CONFIGURATION: DUAL-IN-LINE
•
BODY WIDTH: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
•
INCLOSURE MATERIAL: CERAMIC AND GLASS
•
INPUT CIRCUIT PATTERN: 10 INPUT
TECHNICAL CHARACTERISTICS (FLIS)
BODY LENGTH0.740 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
TEST DATA DOCUMENT96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
DESIGN FUNCTION AND QUANTITY4 MULTIPLEXER, TWO TO ONE LINE
TIME RATING PER CHACTERISTIC23.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 27.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
INCLOSURE CONFIGURATIONDUAL-IN-LINE
BODY WIDTH0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
INCLOSURE MATERIALCERAMIC AND GLASS
INPUT CIRCUIT PATTERN10 INPUT
BODY HEIGHT0.145 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
STORAGE TEMP RANGE-65.0 TO 150.0 CELSIUS DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
54157DMQBAInterchangeable
interchangeable cross-reference
interchangeable
54157DMQBInterchangeable
interchangeable cross-reference
interchangeable
136249-1Interchangeable
interchangeable cross-reference
interchangeable
642AS2669-1Interchangeable
interchangeable cross-reference
interchangeable
SNC54157JInterchangeable
interchangeable cross-reference
interchangeable
RB54157FInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54157DMQB?
54157DMQB is a MICROCIRCUIT,DIGITAL.
What parts can replace 54157DMQB?
There are 11 known substitutes for 54157DMQB: 54157DMQBA, 54157DMQB, 136249-1 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 54157DMQB?
54157DMQB is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-00-543-2299. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026