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SN74CBTLV3257DBQR from TI,Texas Instruments

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SN74CBTLV3257DBQR

Manufacturer: TI

Low-Voltage 4-Bit 1-Of-2 FET Multiplexer/Demultiplexer

Partnumber Manufacturer Quantity Availability
SN74CBTLV3257DBQR TI 7851 In Stock

Description and Introduction

Low-Voltage 4-Bit 1-Of-2 FET Multiplexer/Demultiplexer The SN74CBTLV3257DBQR is a 4-bit 1-of-2 multiplexer/demultiplexer from Texas Instruments (TI).  

### **Specifications:**  
- **Supply Voltage Range:** 2.3V to 3.6V  
- **Low On-State Resistance:** 5Ω (typical)  
- **Bandwidth:** 200MHz  
- **Low Power Consumption:** 0.25µA (max) ICC  
- **Fast Switching:** tPD < 5ns  
- **I/O Voltage Range:** 0V to 5V  
- **Package:** SSOP (DBQ) – 16-pin  

### **Descriptions:**  
- Designed for high-speed switching applications.  
- Supports bidirectional data flow.  
- Features break-before-make switching to prevent signal contention.  

### **Features:**  
- 4-bit multiplexer/demultiplexer with 2:1 switching.  
- 5V tolerant I/Os for mixed-voltage applications.  
- Low charge injection for reduced noise.  
- ESD protection exceeds 2000V (HBM).  
- Industrial temperature range: -40°C to +85°C.  

This device is ideal for signal routing, bus isolation, and level translation in digital systems.

Application Scenarios & Design Considerations

Low-Voltage 4-Bit 1-Of-2 FET Multiplexer/Demultiplexer

Alternative Part Number

  • PI3B3257QE --: Quad 2:1 multiplexer/demultiplexer bus switch with similar low-voltage CMOS operation and pin-compatible function, available in QSOP package.
  • CBT3257APW --: 4-bit 2:1 multiplexer/demultiplexer bus switch with low propagation delay, functionally equivalent to the CBTLV3257 family.
  • QS3VH257QG --: 2.5V/3.3V quad 2:1 mux/demux bus switch with similar on-resistance and switching characteristics, suitable drop-in functional replacement.

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