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Product Detailed Parameters
- Description：IC MUX/DEMUX 1 X 8:1 16TSSOP
- Series：74CB
- 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：2.3V ~ 3.6V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Grade：-
- Qualification：-
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Overview
The SN74CB3Q3251PW is a Texas Instruments multiplexer/demultiplexer IC featuring an 8-channel FET configuration. It operates within a supply voltage range of 2.3 V to 3.6 V and supports surface-mount installation in a TSSOP-16 package. The device exhibits a maximum on-resistance of 11 ohms, with a maximum propagation delay of 6.7 ns and a maximum tristate time of 6.1 ns. It functions reliably across an operating temperature range from -40°C to +85°C.
Feature Summary
- Provides high-bandwidth signal routing for low-voltage applications
- Supports bidirectional data flow between common and selectable channels
- Ensures signal integrity through low on-resistance characteristics
Applications
- Portable equipment requiring efficient bus switching
- Consumer electronics utilizing low-voltage logic interfaces
- Industrial control systems needing reliable signal multiplexing
Procurement Notes
Verify the specific suffix 'PW' corresponds to the TSSOP-16 package variant when sourcing. Confirm RoHS compliance status via the manufacturer's current documentation, as regulatory updates may occur. Ensure the procurement channel provides authentic components to avoid counterfeit risks associated with legacy logic families.
Selection Notes
Select this component for designs requiring an 8-to-1 multiplexing solution within the 2.3 V to 3.6 V power domain. The TSSOP-16 footprint suits space-constrained PCB layouts. Consider the 11-ohm on-resistance for signal loss calculations and ensure the application timing requirements align with the specified 6.7 ns propagation delay limits.
Part Context
This part belongs to the SN74CB3Q series, designed for automotive and industrial environments. It serves as a high-speed analog switch alternative to mechanical relays. The device integrates eight independent switches controlled by digital select lines, enabling flexible data path management in complex electronic architectures.
Replacement Considerations
SN74CB3Q3251PWR (Reel packaging variant)
FAQ
Is the SN74CB3Q3251PW suitable for automotive applications?
Yes, it belongs to the SN74CB3Q series, which is qualified for automotive and industrial environments.
What is the maximum operating voltage for this device?
The maximum supply voltage is 3.6 V, with a minimum of 2.3 V.
