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SN74CBT3257DR from TI,Texas Instruments

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SN74CBT3257DR

Manufacturer: TI

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

Partnumber Manufacturer Quantity Availability
SN74CBT3257DR TI 4110 In Stock

Description and Introduction

4-Bit 1-Of-2 FET Multiplexer/Demultiplexer The SN74CBT3257DR is a high-speed TTL-compatible FET bus switch manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Type:** 4-bit 1-of-2 FET multiplexer/demultiplexer  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **On-State Resistance (Ron):** 5Ω (typical)  
- **Bandwidth:** 200MHz  
- **Low Power Consumption:** 0.25µA (max) ICC  
- **Fast Switching:** tPD = 0.25ns (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-16  

### **Descriptions:**  
The SN74CBT3257DR is a high-bandwidth, low-power bus switch designed for multiplexing/demultiplexing digital signals. It provides bidirectional switching with minimal propagation delay and signal distortion.  

### **Features:**  
- **TTL-Compatible Input Levels**  
- **Low On-State Resistance (Ron)**  
- **Minimal Propagation Delay**  
- **Bi-Directional Data Flow**  
- **Supports Mixed-Mode Signal Operation**  
- **ESD Protection Exceeds 2000V (HBM)**  
- **Latch-Up Performance Exceeds 250mA**  

This device is commonly used in signal routing, data switching, and bus isolation applications.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • PI5C3257Q --: Quad 2:1 multiplexer/demultiplexer bus switch with similar 5V-tolerant CMOS bus-switch function and pin-compatible QSOP/SOIC options.
  • CBT3257APW --: Quad 2:1 FET bus switch from the CBT family, functionally equivalent to the SN74CBT3257 with comparable on-resistance and TSSOP package.
  • QS3257S1G --: Quad 2:1 high-speed CMOS bus switch offering similar switching characteristics and pinout, suitable as a drop-in functional replacement.

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