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SN74CB3Q3257 from TI,Texas Instruments

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SN74CB3Q3257

Manufacturer: TI

4-Bit One-of-2 FET Multiplexer/Demultiplexer 2.5-V/3.3-V Low-Voltage, High-Bandwidth Bus Switch

Partnumber Manufacturer Quantity Availability
SN74CB3Q3257 TI 333 In Stock

Description and Introduction

4-Bit One-of-2 FET Multiplexer/Demultiplexer 2.5-V/3.3-V Low-Voltage, High-Bandwidth Bus Switch The SN74CB3Q3257 is a high-bandwidth FET bus switch manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Configuration:** 4-bit 1-of-2 multiplexer/demultiplexer  
- **Voltage Supply Range:** 2.3V to 3.6V  
- **On-State Resistance (Ron):** 5Ω (typical)  
- **Bandwidth:** ~500 MHz  
- **Low Power Consumption:** ICC ≈ 1μA (max)  
- **Fast Switching:** tPD ≈ 0.25 ns (typical)  
- **I/O Ports:** 5V tolerant  
- **ESD Protection:** >2000V (HBM)  

### **Description:**  
The SN74CB3Q3257 is a high-speed, low-power bus switch designed for multiplexing/demultiplexing signals in digital systems. It features low on-state resistance and minimal propagation delay, making it suitable for high-speed data routing.  

### **Features:**  
- **Bidirectional Signal Flow**  
- **Supports Mixed-Mode Signal Operation**  
- **5V Tolerant I/Os**  
- **Low Crosstalk & Distortion**  
- **Latch-Up Performance Exceeds 100mA per JESD 78**  
- **Available in Multiple Package Options (TSSOP, VQFN, etc.)**  

For exact pin configurations and application details, refer to the official TI datasheet.

Application Scenarios & Design Considerations

4-Bit One-of-2 FET Multiplexer/Demultiplexer 2.5-V/3.3-V Low-Voltage, High-Bandwidth Bus Switch

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