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Product Detailed Parameters
- Description：IC QUAD 2-INP
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Logic Type：-
- Number of Circuits：-
- Number of Inputs：-
- Features：-
- Voltage - Supply：-
- Current - Quiescent (Max)：-
- Current - Output High, Low：-
- Input Logic Level - Low：-
- Input Logic Level - High：-
- Max Propagation Delay @ V, Max CL：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
- Grade：-
- Qualification：-
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Overview
The SN54ALS02AJ is a military-grade quadruple 2-input positive-NOR gate manufactured by Texas Instruments. It operates within the ALS logic family and features a 14-pin ceramic dual in-line package (CDIP). The device supports an operating temperature range of -55°C to 125°C, ensuring reliability in harsh environments. Key electrical characteristics include a maximum output low current of 0.0004 A and a load capacitance of 50 pF. It contains four independent NOR functions with two inputs each.
Feature Summary
- Military-grade construction utilizing ceramic packaging for extreme environmental durability
- Contains four independent 2-input positive-NOR logic gates
- Compatible with standard TTL voltage levels
Applications
- Aerospace computing systems requiring radiation and vibration resistance
- Military communication equipment operating in extreme temperatures
- High-reliability industrial control logic circuits
Procurement Notes
Verify the specific suffix 'AJ' confirms the ceramic DIP package and military temperature rating. Confirm RoHS status as non-compliant due to lead content. Ensure the supplier provides traceability documentation required for defense or aerospace procurement standards.
Selection Notes
Select this component when high-speed ALS performance is required alongside military environmental specifications. Compare against SN54LS02 variants if lower cost is acceptable but thermal resilience is not critical. Verify pin compatibility with existing CDIP footprints during design integration.
Part Context
This part belongs to the SN54 series, designated for military applications with extended temperature ranges. It differs from commercial SN74 counterparts by offering superior thermal stability and ruggedized ceramic packaging suitable for defense and space missions.
Replacement Considerations
SNJ54ALS02AJ serves as a direct equivalent for other military-grade ALS NOR gates. Cross-reference with SN54ALS02 variants to verify package and temperature grade alignment before substitution.
