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Product Detailed Parameters
- Description：IC MUX/DEMUX 4 X 2:1 16TSSOP
- Series：74CB
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Multiplexer/Demultiplexer
- Circuit：4 x 2:1
- 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 SN74CB3T3257PWR is a 4-bit 1-of-2 FET multiplexer/demultiplexer from the Texas Instruments CB3T logic series. It operates on a single supply voltage ranging from 2.3 V to 3.6 V and features a 5-V-tolerant level shifter for input compatibility. The device is housed in a 16-TVSOP package with surface-mount installation. It supports an operating temperature range from -40°C to +85°C. The component functions as a low-voltage bus switch, providing signal routing capabilities for digital systems.
Feature Summary
- Integrates four independent 1-of-2 FET switches within a single package
- Includes a 5-V-tolerant level shifter for input signal compatibility
- Supports operation as both a multiplexer and demultiplexer
Applications
- Low-voltage bus switching applications
- Signal routing in portable electronic devices
- Data line selection in embedded systems
Procurement Notes
Verify the specific suffix 'PWR' corresponds to the TVSOP-16 package and reel packaging configuration. Confirm that the 5-V-tolerant level shifter requirement aligns with the target system's input voltage levels. Ensure the operating temperature range of -40°C to +85°C meets the environmental constraints of the intended deployment scenario.
Selection Notes
Select this component when a compact solution for routing four independent data lines is required. The integrated level shifter simplifies interface design between different voltage domains. The TVSOP-16 package offers a balance of pin count and board space efficiency for dense layouts.
Part Context
This part belongs to the SN74CB3T3257 family of 4-bit multiplexers. It shares functional similarities with the SN74CBTLV3257 series but utilizes the CB3T logic architecture. The device serves as a signal switch alternative to mechanical relays or discrete transistor arrays.
Replacement Considerations
The SN74CBTLV3257PWR is a related variant within the same functional family. Verify package compatibility and specific electrical parameter differences before substitution.
