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SN74AVC20T245DGGR from TI,Texas Instruments

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SN74AVC20T245DGGR

Manufacturer: TI, TEXASINSTRUM

20-Bit Dual Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74AVC20T245DGGR TI, TEXASINSTRUM 4700 In Stock

Description and Introduction

20-Bit Dual Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs The SN74AVC20T245DGGR is a 20-bit dual-supply bus transceiver manufactured by Texas Instruments. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Technology Family:** AVC  
- **Supply Voltage Range (VCCA):** 1.2V to 3.6V  
- **Supply Voltage Range (VCCB):** 1.2V to 3.6V  
- **Number of Bits:** 20  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** TSSOP (56-pin)  
- **Data Rate:** Up to 380 Mbps  
- **I/O Type:** 3-State  
- **Logic Level Translation:** Bidirectional voltage-level translation  
- **ESD Protection:** Exceeds 2000V (HBM)  

### **Description:**  
The SN74AVC20T245DGGR is a 20-bit non-inverting bus transceiver designed for asynchronous communication between data buses. It provides bidirectional voltage-level translation between different supply voltages (1.2V to 3.6V) and features direction control (DIR) and output enable (OE) inputs for flexible data flow management.

### **Features:**  
- **Bidirectional Voltage Translation:** Supports mixed-voltage systems (1.2V to 3.6V).  
- **Partial Power-Down Protection:** I/Os tolerate voltages up to 3.6V when powered off.  
- **3-State Outputs:** Allows multiple devices to share a common bus.  
- **Direction Control (DIR):** Determines data flow direction.  
- **Output Enable (OE):** Disables outputs for bus isolation.  
- **Low Power Consumption:** Optimized for power-sensitive applications.  
- **High-Speed Operation:** Supports up to 380 Mbps data rates.  
- **Robust ESD Protection:** Protects against electrostatic discharge.  

This device is commonly used in mixed-voltage systems, such as portable electronics, networking, and industrial applications.

Application Scenarios & Design Considerations

20-Bit Dual Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs

Alternative Part Number

  • 74AVC20T245PAG --: Same 20-bit dual-supply bus transceiver function with 1.2V-3.6V translation, offered by Renesas as a direct functional equivalent in a different series naming.
  • 74AVC20T245DGV --: 20-bit dual-supply translating transceiver with similar voltage range and 3-state outputs, from Nexperia's AVC family, suitable as a functional replacement.
  • 74AVCH20T245DGG --: 20-bit dual-supply bus transceiver with bus-hold feature, same TSSOP package and voltage translation capability, usable where bus-hold is acceptable.
  • 74AVC20T245DGVRE4 --: Same AVC20T245 dual-supply transceiver family in a TSSOP package, functionally equivalent with similar voltage translation performance.
  • 74AVC20T245PWR --: NXP AVC20T245 equivalent 20-bit dual-supply translating transceiver, drop-in functional replacement for level-shifting bus applications.
  • SN74AXC8T245DGGR --: TI AXC family translating transceiver offering similar bidirectional level translation with lower voltage support, suitable when fewer channels are acceptable.

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