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Product Detailed Parameters
- Description：IC MUX/DEMUX 1 X 8:1 16SOIC
- Series：74CBT
- Mfr：Texas Instruments
- Package：Tube
- Type：Multiplexer/Demultiplexer
- Circuit：1 x 8:1
- Independent Circuits：1
- Current - Output High, Low：-
- Voltage Supply Source：Single Supply
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Grade：-
- Qualification：-
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Overview
The SN74CBT3251D is a single 8-to-1 field-effect transistor multiplexer and demultiplexer manufactured by Texas Instruments. It operates within a supply voltage range of 4 V to 5.5 V, with a typical operating voltage of 5 V. The device features a maximum on-resistance of 7 Ohms and supports a bandwidth of 200 MHz. Switching performance includes a maximum propagation delay of 6.4 ns and a maximum transition time of 6.8 ns. It functions reliably across an extended temperature range from -40°C to +85°C and is housed in a 16-pin SOIC-Narrow package.
Feature Summary
- Configured as a single 1-of-8 FET multiplexer or demultiplexer for signal routing
- Supports high-speed data transmission with 200 MHz bandwidth capability
- Maintains low on-resistance to minimize signal attenuation
- Operates within standard industrial temperature ranges
Applications
- High-speed data bus switching applications
- Signal routing in telecommunications equipment
- Multiplexing control lines in industrial automation systems
Procurement Notes
Verify the specific suffix 'D' corresponds to the SOIC-Narrow 16-pin package configuration. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected variant matches the required voltage and thermal specifications for the target environment.
Selection Notes
Select this component when a single 8-channel analog switch is required with 5 V logic compatibility. The SN74CBT3251D is suitable for designs needing low on-resistance and fast switching speeds. Consider alternative packages if board space constraints require surface-mount variants other than the narrow SOIC form factor.
Part Context
This part belongs to the SN74CBT3251 series of high-speed FET multiplexers. It serves as a core component for managing multiple signal paths within digital and mixed-signal circuits. The device provides efficient signal isolation and routing capabilities essential for complex electronic architectures requiring reliable data path management.
Replacement Considerations
SN74CBT3251DBQR (SSOP-16 package)
FAQ
What is the maximum operating voltage for the SN74CBT3251D?
The maximum supply voltage is 5.5 V.
Does the SN74CBT3251D support bidirectional signal flow?
Yes, it functions as both a multiplexer and a demultiplexer, allowing bidirectional signal routing.
