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SN74ABT657ADWR from TI,Texas Instruments

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SN74ABT657ADWR

Manufacturer: TI

Octal Transceivers With Parity Generators/Checkers And 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74ABT657ADWR TI 35 In Stock

Description and Introduction

Octal Transceivers With Parity Generators/Checkers And 3-State Outputs The SN74ABT657ADWR is a 3.3-V ABT 8-bit bus transceiver and register manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Technology Family:** ABT  
- **Supply Voltage Range:** 4.5 V to 5.5 V  
- **Operating Temperature Range:** -40°C to 85°C  
- **Number of Channels:** 8  
- **Input Type:** TTL-Compatible  
- **Output Type:** 3-State  
- **Package/Case:** SOIC-24 (DW)  
- **Logic Type:** Transceiver, Non-Inverting  
- **Propagation Delay Time:** 4.5 ns (Max)  
- **High-Level Output Current:** -32 mA  
- **Low-Level Output Current:** 64 mA  

### **Descriptions:**  
- The SN74ABT657ADWR combines an 8-bit D-type flip-flop with a transceiver to allow bidirectional data flow between buses.  
- It features separate control inputs for data direction (DIR) and output enable (OE).  
- Designed for high-speed, low-power operation in 5-V systems.  

### **Features:**  
- **Bus Hold on Data Inputs** – Eliminates the need for external pull-up/pull-down resistors.  
- **3-State Outputs** – Allows direct connection to a bus.  
- **Flow-Through Pinout** – Optimizes PCB layout.  
- **Latch-Up Performance Exceeds 500 mA** – Per JESD 17.  
- **ESD Protection** – Exceeds 2000 V per MIL-STD-883, Method 3015.  

For more details, refer to the official TI datasheet.

Application Scenarios & Design Considerations

Octal Transceivers With Parity Generators/Checkers And 3-State Outputs

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