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Technical Data Sheet
74LS243 ✓ 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 0.310 INCHES MAXIMUM IN, body_height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 0.785 INCHES MAXIMUM IN, special_features: NONINVERTED OUTPUTS, features_provided: HERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND LOW POWER AND SCHOTTKY AND 3-STATE OUTPUT, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-074-5652, 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
74LS243
NSN: 5962-01-074-5652
FSC: 5962
CAGE: 07263 — FAIRCHILD SEMICONDUCTOR CORP (USA)
SPECIFICATIONS
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.785 INCHES MAXIMUM IN
special_featuresNONINVERTED OUTPUTS
features_providedHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND LOW POWER AND SCHOTTKY AND 3-STATE OUTPUT
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC AND GLASS
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_patternQUAD 2 INPUT
inclosure_configurationDUAL-IN-LINE
terminal_surface_treatmentSOLDER
NSN5962-01-074-5652
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 74LS243 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
INCLOSURE MATERIAL: PLASTIC
BODY WIDTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
INPUT CIRCUIT PATTERN: 1 INPUT
STORAGE TEMP RANGE: -65.0 TO 150.0 CELSIUS DEGC
FEATURES PROVIDED: ASYNCHRONOUS AND SCHOTTKY AND 3-STATE OUTPUT
BODY HEIGHT: 0.020 INCHES MINIMUM IN
DESIGN FUNCTION AND QUANTITY: 4 TRANSCEIVER
INCLOSURE CONFIGURATION: DUAL-IN-LINE
TECHNICAL CHARACTERISTICS (FLIS)
INCLOSURE MATERIALPLASTIC
BODY WIDTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
INPUT CIRCUIT PATTERN1 INPUT
STORAGE TEMP RANGE-65.0 TO 150.0 CELSIUS DEGC
FEATURES PROVIDEDASYNCHRONOUS AND SCHOTTKY AND 3-STATE OUTPUT
BODY HEIGHT0.020 INCHES MINIMUM IN
DESIGN FUNCTION AND QUANTITY4 TRANSCEIVER
INCLOSURE CONFIGURATIONDUAL-IN-LINE
OPERATING TEMP RANGE-0.0 TO 70.0 CELSIUS DEGC
SPECIAL FEATURESNONINVERTED OUTPUTS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
639-614Interchangeable
interchangeable cross-reference
interchangeable
101681-005Interchangeable
interchangeable cross-reference
interchangeable
5214-399Interchangeable
interchangeable cross-reference
interchangeable
SN74LS243N00Interchangeable
Same NIIN cross-reference
interchangeable
74LS243PCInterchangeable
Same NIIN cross-reference
interchangeable
443-839Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74LS243?
74LS243 is a MICROCIRCUIT,DIGITAL.
What parts can replace 74LS243?
There are 6 known substitutes for 74LS243: 639-614, 101681-005, 5214-399 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 74LS243?
74LS243 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-074-5652. This indicates validated use in U.S. government and defense supply chains.
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