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SN74CBT3126DBR from TI,Texas Instruments

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SN74CBT3126DBR

Manufacturer: TI

Quadruple FET Bus Switch

Partnumber Manufacturer Quantity Availability
SN74CBT3126DBR TI 918 In Stock

Description and Introduction

Quadruple FET Bus Switch The SN74CBT3126DBR is a quad 1-bit bus switch manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Configuration:** Quad 1-bit bus switch  
- **Voltage Supply Range:** 4 V to 5.5 V  
- **On-State Resistance (Ron):** 5 Ω (typical)  
- **Bandwidth:** 200 MHz  
- **Low Power Consumption:** 0.25 µA (max) ICC  
- **Fast Switching:** tPD < 0.25 ns  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SSOP-14 (DBR)  

### **Descriptions and Features:**  
- **Bus Switch Functionality:** Allows bidirectional signal flow when enabled.  
- **Low On-State Resistance:** Ensures minimal signal distortion.  
- **High Bandwidth:** Supports high-speed data transmission.  
- **TTL-Compatible Input Levels:** Works with 5V logic signals.  
- **Break-Before-Make Switching:** Prevents signal contention during switching.  
- **Applications:** Used in signal routing, hot-swapping, and bus isolation in digital systems.  

This device is designed for high-performance switching in digital systems with minimal propagation delay.

Application Scenarios & Design Considerations

Quadruple FET Bus Switch

Alternative Part Number

  • PI3B3126QEX --: Pin-compatible 4-bit bus switch with similar on-resistance and low propagation delay, available in QSOP package, direct functional replacement for the SN74CBT3126.
  • 74CBTLV3126QG --: Low-voltage 4-bit bus switch with the same 3126 function and pinout, offering comparable switching characteristics and a different naming series for easy distinction.
  • NC7SB3126P6X --: Single/quad bus switch family member with similar bus-switch functionality and low on-capacitance, suitable as a functional alternative though package and channel count should be verified.

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