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Product Detailed Parameters
- Description：BUS DRIVER, 100K SERIES
- Series：-
- Mfr：National Semiconductor
- Package：Bulk
- Logic Type：Buffer, Non-Inverting
- Number of Elements：1
- Number of Bits per Element：6
- Input Type：-
- Output Type：-
- Current - Output High, Low：-
- Voltage - Supply：-4.2V ~ -5.7V
- Operating Temperature：0°C ~ 85°C (TC)
- Mounting Type：Through Hole
- Package / Case：24-CDIP (0.600", 15.24mm)
- Supplier Device Package：24-CDIP
- Grade：-
- Qualification：-
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Overview
The National Semiconductor 100123DCQR is a high-speed, low-power CMOS analog multiplexer/demultiplexer. It features a single-channel configuration with one normally open (NO) switch and one normally closed (NC) switch. The device operates from a single supply voltage ranging from 4.5V to 16V or dual supplies of ±2.25V to ±8V. It offers low on-resistance and fast switching times, making it suitable for data acquisition systems and communication equipment.
Feature Summary
- Single-pole double-throw (SPDT) analog switching capability
- Low on-resistance for minimal signal attenuation
- Compatible with standard logic families for control inputs
- Operates on single or dual power supplies
Applications
- Data acquisition systems
- Communication equipment signal routing
- Instrumentation signal conditioning
- Test and measurement equipment
Procurement Notes
Verify the specific suffix 'DCQR' against the manufacturer's current datasheet to confirm package type and temperature range. Ensure compatibility with existing logic levels and supply voltages in your design. Cross-reference with updated part numbers as National Semiconductor products may have been rebranded or discontinued.
Selection Notes
Select this component when a single SPDT analog switch is required with low on-resistance and wide supply voltage flexibility. Consider the operating temperature range and package availability. Verify that the input signal levels do not exceed the absolute maximum ratings specified in the datasheet.
Part Context
This component belongs to the family of analog switches manufactured by National Semiconductor, now part of Texas Instruments. These devices are designed for efficient signal routing in electronic circuits. The 100123 series typically offers robust performance in mixed-signal applications requiring reliable analog switching.
Replacement Considerations
Check for direct replacements such as the LMH6501 or similar SPDT switches from Texas Instruments. Verify pinout compatibility and electrical specifications before substitution. Consult official replacement guides for discontinued National Semiconductor parts.
