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SN74ABT646ANSR from TI,Texas Instruments

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SN74ABT646ANSR

Manufacturer: TI

Octal Bus Transceivers And Registers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74ABT646ANSR TI 2000 In Stock

Description and Introduction

Octal Bus Transceivers And Registers With 3-State Outputs The SN74ABT646ANSR is a 3.3-V ABT 16-bit bus transceiver and register manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Bus Transceiver, Non-Inverting  
- **Number of Bits:** 16  
- **Voltage Supply:** 3.3V  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 48-Pin SSOP (Shrink Small-Outline Package)  
- **Output Type:** 3-State  
- **Propagation Delay Time:** 5.5ns (Max)  
- **Input/Output Compatibility:** TTL-Compatible  

### **Descriptions:**  
- The SN74ABT646ANSR combines D-type latches and D-type flip-flops for operation as either a transceiver or a register.  
- It features bidirectional data flow controlled by the direction control (DIR) input.  
- Output enable (OE) inputs disable the outputs for isolation.  

### **Features:**  
- **3.3V Operation:** Optimized for 3.3V systems.  
- **Bus Hold on Data Inputs:** Eliminates the need for external pull-up/pull-down resistors.  
- **High Drive Outputs (-32mA IOH, 64mA IOL):** Supports heavy loads.  
- **Flow-Through Architecture:** Simplifies PCB layout.  
- **Latch-Up Performance Exceeds 500mA per JESD 17:** Enhanced reliability.  
- **ESD Protection Exceeds 2000V per MIL-STD-883, Method 3015:** Robust against electrostatic discharge.  

For more details, refer to the official TI datasheet.

Application Scenarios & Design Considerations

Octal Bus Transceivers And Registers With 3-State Outputs

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