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SN74ABT646ANS from TI,Texas Instruments

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SN74ABT646ANS

Manufacturer: TI

OCTAL BUS TRANSCEIVERS AND REGISTERS

Partnumber Manufacturer Quantity Availability
SN74ABT646ANS TI 374 In Stock

Description and Introduction

OCTAL BUS TRANSCEIVERS AND REGISTERS The SN74ABT646ANS is a bus transceiver and register manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Type:** Bus Transceiver and Register  
- **Technology:** ABT (Advanced BiCMOS Technology)  
- **Number of Bits:** 8  
- **Voltage Supply Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC (Small Outline Integrated Circuit)  
- **Pin Count:** 24  
- **Logic Family:** ABT  

### **Descriptions:**  
- The SN74ABT646ANS combines an 8-bit D-type register with a transceiver to enable bidirectional data flow between buses.  
- It features non-inverting 3-state outputs for both register and transceiver paths.  
- The direction of data transfer is controlled by the direction control (DIR) input.  
- Output enable (OE) inputs disable the outputs to prevent bus contention.  

### **Features:**  
- **Bidirectional Data Flow:** Supports data transfer in both directions.  
- **3-State Outputs:** Allows connection to a bus-oriented system.  
- **High-Speed Operation:** Optimized for performance in bus-interface applications.  
- **Low Power Consumption:** ABT technology ensures efficient power usage.  
- **ESD Protection:** Exceeds 2000V per JESD 22-A114.  
- **Latch-Up Performance:** Exceeds 500mA per JESD 78.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

OCTAL BUS TRANSCEIVERS AND REGISTERS

Alternative Part Number

  • 74ABT646APW --: Same ABT646 octal transceiver function with similar speed and drive, available in TSSOP package from NXP.
  • 74ABT646ADB --: Equivalent ABT646 bus transceiver/register in SSOP package, electrically compatible with the original function.
  • CY74FCT646ATSOCT --: FCT646 octal transceiver/register with comparable ABT-level performance, suitable as a functional replacement.
  • CY74FCT646ATQ --: FCT646 octal bus transceiver/register with equivalent pinout and function, different series prefix for clear distinction.

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