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Technical Data Sheet
54LS157 ✓ 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: 0.250 INCHES NOMINAL IN, body_height: 0.185 INCHES MAXIMUM IN, body_length: 0.875 INCHES NOMINAL IN, features_provided: ELECTROSTATIC SENSITIVE AND MONOLITHIC AND HERMETICALLY SEALED AND BURN IN, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, inclosure_material: CERAMIC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-050-0921, 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
54LS157
NSN: 5962-01-050-0921
FSC: 5962
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
body_width0.250 INCHES NOMINAL IN
body_height0.185 INCHES MAXIMUM IN
body_length0.875 INCHES NOMINAL IN
features_providedELECTROSTATIC SENSITIVE AND MONOLITHIC AND HERMETICALLY SEALED AND BURN IN
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_pattern10 INPUT
inclosure_configurationLEADLESS FLAT PACK
terminal_surface_treatmentSOLDER
NSN5962-01-050-0921
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 54LS157 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
SPECIFICATION/STANDARD DATA: 81349-MIL-M-38510/309 GOVERNMENT SPECIFICATION
BODY HEIGHT: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
INPUT CIRCUIT PATTERN: QUAD 2 INPUT
CASE OUTLINE SOURCE AND DESIGNATOR: D-2 MIL-M-38510
OUTPUT LOGIC FORM: TRANSISTOR-TRANSISTOR LOGIC
STORAGE TEMP RANGE: -65.0 TO 150.0 CELSIUS DEGC
INCLOSURE MATERIAL: CERAMIC AND GLASS
FEATURES PROVIDED: HERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND EXPANDABLE AND LOW POWER AND SCHOTTKY AND W/BUFFERED OUTPUT AND W/DECODED OUTPUT AND W/STROBE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81349-MIL-M-38510/309 GOVERNMENT SPECIFICATION
BODY HEIGHT0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
INPUT CIRCUIT PATTERNQUAD 2 INPUT
CASE OUTLINE SOURCE AND DESIGNATORD-2 MIL-M-38510
OUTPUT LOGIC FORMTRANSISTOR-TRANSISTOR LOGIC
STORAGE TEMP RANGE-65.0 TO 150.0 CELSIUS DEGC
INCLOSURE MATERIALCERAMIC AND GLASS
FEATURES PROVIDEDHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND EXPANDABLE AND LOW POWER AND SCHOTTKY AND W/BUFFERED OUTPUT AND W/DECODED OUTPUT AND W/STROBE
TEST DATA DOCUMENT81349-MIL-M-38510 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
INCLOSURE CONFIGURATIONDUAL-IN-LINE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
SN74LS157NInterchangeable
interchangeable cross-reference
interchangeable
SNC54LS157JInterchangeable
interchangeable cross-reference
interchangeable
51057-0026Interchangeable
interchangeable cross-reference
interchangeable
JM38510/07903BEXAInterchangeable
interchangeable cross-reference
interchangeable
JM38510/07903BEXInterchangeable
interchangeable cross-reference
interchangeable
SN74S157NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54LS157?
54LS157 is a MICROCIRCUIT,DIGITAL.
What parts can replace 54LS157?
There are 33 known substitutes for 54LS157: SN74LS157N, SNC54LS157J, 51057-0026 and 30 more. Substitute compatibility should be verified for your specific system.
Is 54LS157 still available?
54LS157 is currently cancelled.
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