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SN74CB3T3245PWRE4 from TI,Texas Instruments

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SN74CB3T3245PWRE4

Manufacturer: TI

8-Bit FET 2.5-V/3.3-V Low-Voltage Bus Switch With 5-V Tolerant Level Shifter 20-TSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
SN74CB3T3245PWRE4 TI 1821 In Stock

Description and Introduction

8-Bit FET 2.5-V/3.3-V Low-Voltage Bus Switch With 5-V Tolerant Level Shifter 20-TSSOP -40 to 85 The SN74CB3T3245PWRE4 is a high-bandwidth FET bus switch manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Type:** 8-bit FET bus switch  
- **Voltage Supply Range:** 1.65V to 3.6V  
- **On-State Resistance (Ron):** 5Ω (typical)  
- **Bandwidth:** 200 MHz  
- **Low Power Consumption:** ICC < 1μA (max)  
- **Bi-Directional Switching:** Yes  
- **Input/Output Capacitance (CI/O):** 7pF (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TSSOP-20  

### **Descriptions:**  
The SN74CB3T3245PWRE4 is designed for high-speed signal switching with minimal propagation delay. It supports bidirectional voltage translation between different logic levels (1.8V, 2.5V, and 3.3V).  

### **Features:**  
- **Low On-State Resistance:** Ensures minimal signal distortion.  
- **Wide Voltage Range:** Compatible with 1.65V to 3.6V systems.  
- **Fast Switching:** Enables high-speed data transfer.  
- **Low Power Consumption:** Ideal for battery-operated devices.  
- **ESD Protection:** Exceeds 2000V per JESD 22.  
- **Hot Insertion Capable:** Supports live insertion without damage.  

This device is commonly used in communication systems, data acquisition, and portable electronics.

Application Scenarios & Design Considerations

8-Bit FET 2.5-V/3.3-V Low-Voltage Bus Switch With 5-V Tolerant Level Shifter 20-TSSOP -40 to 85

Alternative Part Number

  • PI3B3245LE --: Pin-compatible 8-bit bus switch with similar 3.3V operation and low propagation delay, direct functional replacement for the CB3T3245 in TSSOP packages.
  • 74CB3Q3245PGG --: Low-voltage 8-bit bus switch with 5V-tolerant I/O and similar ON-resistance characteristics, suitable drop-in alternative for level-shifting bus applications.
  • CBT3245APW --: Widely available 8-bit bus switch in TSSOP with comparable switching behavior and 5V tolerance, commonly used as a substitute for TI CB3T series parts.

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