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Product Detailed Parameters
- Description：IC MUX/DEMUX 1 X 8:1 16TSSOP
- Series：74CB
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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 SN74CB3Q3251PWR is an 8-channel multiplexer/demultiplexer switch IC from Texas Instruments, housed in a 16-pin TSSOP package. It operates on a single supply voltage ranging from 2.3 V to 3.6 V. The device features a maximum on-resistance of 11 ohms, with a maximum propagation delay of 6.7 ns and a maximum isolation time of 6.1 ns. It supports surface-mount installation and functions within a temperature range of -40°C to +85°C.
Feature Summary
- Configured as a 1-of-8 FET multiplexer or demultiplexer for signal routing
- Low on-resistance characteristic ensures minimal signal attenuation
- Fast switching speeds suitable for high-frequency data transmission
Applications
- Portable consumer electronics requiring compact signal routing
- Industrial control systems utilizing low-voltage logic interfaces
- Communication equipment managing data bus signals
Procurement Notes
Verify the specific suffix 'PWR' corresponds to the tape-and-reel packaging format when ordering. Confirm that the 16-pin TSSOP footprint matches the target PCB layout dimensions. Ensure the design accommodates the specified 2.3 V to 3.6 V operating voltage range and the -40°C to +85°C industrial temperature limits for reliable performance.
Selection Notes
Select this component for applications requiring an 8-to-1 signal path selection within a small form factor. The TSSOP-16 package offers a balance between pin count and board space efficiency. Consider the 11-ohm on-resistance limit when designing for low-voltage signal integrity requirements.
Part Context
This part belongs to the SN74CB3Q series of high-speed analog switches. It is designed for portable and battery-operated devices where low power consumption and small size are critical. The Q-series designation typically indicates automotive qualification standards, though specific AEC-Q100 certification should be verified against the official datasheet.
Replacement Considerations
Check for direct pin-compatible alternatives within the same family, such as other variants in the SN74CB3Q series. Verify that any substitute maintains the 16-pin TSSOP package and identical electrical characteristics regarding voltage range and on-resistance.
