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SN74GTL1655 from TI,Texas Instruments

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SN74GTL1655

Manufacturer: TI

16-Bit LVTTL To GTL/GTL+ Universal Bus Transceivers with Live Insertion

Partnumber Manufacturer Quantity Availability
SN74GTL1655 TI 142 In Stock

Description and Introduction

16-Bit LVTTL To GTL/GTL+ Universal Bus Transceivers with Live Insertion The SN74GTL1655 is a 16-bit universal bus transceiver manufactured by Texas Instruments (TI). It is designed for high-speed bidirectional communication between low-voltage (1.8V, 2.5V, or 3.3V) and higher-voltage (3.3V or 5V) systems.  

### **Key Specifications:**  
- **Supply Voltage (VCC):** 3.0V to 3.6V (GTL side)  
- **I/O Voltage (VREF):** 1.5V to 3.6V (LVTTL side)  
- **Operating Temperature Range:** -40°C to 85°C  
- **Data Rate:** Up to 200 MHz  
- **Number of Channels:** 16 (bidirectional)  
- **Logic Family:** GTL (Gunning Transceiver Logic)  

### **Features:**  
- **Bidirectional Voltage Translation:** Enables interfacing between low-voltage (1.8V, 2.5V, or 3.3V) and higher-voltage (3.3V or 5V) systems.  
- **Flow-Through Pinout:** Simplifies PCB layout.  
- **3-State Outputs:** Allows multiple devices to share a common bus.  
- **Partial Power-Down Protection:** Supports I/O protection when power is off.  
- **ESD Protection:** Exceeds 2000V HBM (Human Body Model).  
- **Packages Available:** TSSOP (56-pin), TVSOP (56-pin).  

This device is commonly used in applications such as networking, telecommunications, and computing systems requiring voltage-level translation.

Application Scenarios & Design Considerations

16-Bit LVTTL To GTL/GTL+ Universal Bus Transceivers with Live Insertion

Alternative Part Number

  • 74GTL1655DGGR --: NXP's GTL1655 bus transceiver is a direct functional equivalent to the TI SN74GTL1655, offering the same GTL-to-LVTTL translation in a compatible package.
  • PI74GTL1655 --: Pericom's GTL1655 series provides the same 16-bit GTL transceiver function with similar voltage translation, suitable as a drop-in alternative.
  • 74GTL1655DGG --: Nexperia's GTL1655 device matches the GTL1655 logic function and pinout, making it a viable second-source alternative for the TI part.

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