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Product Detailed Parameters
- Description：100302 - OR/NOR GATE, 100K SERIE
- Series：-
- Mfr：National Semiconductor
- Package：Bulk
- Logic Type：NOR/OR Gate
- Number of Circuits：-
- Number of Inputs：10 Input (2, 2, 2, 2, 2)
- Schmitt Trigger Input：-
- Output Type：-
- Current - Output High, Low：-
- Voltage - Supply：-4.2V ~ -5.7V
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：-
- Supplier Device Package：-
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Overview
The 100302W-QMLV is a configurable NOR/OR gate circuit manufactured by National Semiconductor. It belongs to the 100K series and features five functional units, each with two inputs, totaling ten inputs. The device utilizes ECL logic technology and is housed in a CQFP24 package. It is designed for high-reliability applications, tested to MIL-STD-883 Method 1019.5 Condition A, and guaranteed to withstand 100 krad (Si) radiation exposure.
Feature Summary
- Configurable logic architecture supporting both NOR and OR gate functions across five independent circuits.
- Radiation-hardened design verified for space and military environments with specified total ionizing dose tolerance.
- ECL technology implementation ensures high-speed switching capabilities suitable for demanding digital systems.
Applications
- Military aerospace avionics systems requiring radiation-tolerant logic components
- Satellite communication payloads utilizing ECL-based signal processing
- High-reliability industrial control systems operating in harsh electromagnetic environments
Procurement Notes
Verify that the component bears the correct manufacturer marking and lot traceability consistent with National Semiconductor or Texas Instruments legacy documentation. Confirm the presence of the QMLV suffix indicating qualification to relevant military standards. Ensure packaging integrity matches the specified CQFP24 form factor. Request test reports verifying radiation hardness levels if required for mission-critical deployment.
Selection Notes
Select this component when a configurable ECL gate with radiation hardness is required. The five-function structure allows flexible logic implementation without additional parts. Consider the CQFP24 package constraints for board layout. Verify compatibility with existing ECL power supplies and termination networks. This part is suitable where single-event effects are mitigated through design rather than device selection alone.
Part Context
National Semiconductor was acquired by Texas Instruments in 2011. Products formerly under the National brand continue to be supported under the TI portfolio. The 100K series represents a family of high-speed ECL logic devices. The QMLV designation indicates qualification to specific military reliability standards, distinguishing it from commercial variants.
Replacement Considerations
Consult official substitution lists for equivalent radiation-hardened ECL gates. Verify pinout compatibility before replacing. Check if alternative packages require adapter solutions. Ensure voltage levels match existing ECL biasing requirements.
