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SN74AS646DW from TI,Texas Instruments

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SN74AS646DW

Manufacturer: TI

Octal Bus Transceivers/Registers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74AS646DW TI 1600 In Stock

Description and Introduction

Octal Bus Transceivers/Registers With 3-State Outputs The SN74AS646DW is a bidirectional bus transceiver and register manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Octal Bus Transceiver with 3-State Outputs  
- **Number of Bits:** 8  
- **Voltage Supply:** 4.5V to 5.5V  
- **Operating Temperature:** 0°C to 70°C  
- **Package Type:** SOIC (DW)  
- **Mounting Type:** Surface Mount  
- **Output Type:** 3-State  
- **Propagation Delay:** 10ns (Max)  
- **High-Level Output Current:** -15mA  
- **Low-Level Output Current:** 48mA  

### **Descriptions:**  
The SN74AS646DW combines an octal D-type flip-flop with a bidirectional transceiver, allowing data transfer between two buses in either direction. It features separate control inputs for data flow direction and output enable.  

### **Features:**  
- **Bidirectional Data Flow:** Controlled by DIR (Direction) input  
- **3-State Outputs:** Allows bus isolation  
- **Independent Clocking:** Separate clock inputs for A-to-B and B-to-A transfers  
- **Wide Operating Voltage:** 4.5V to 5.5V  
- **High-Current Outputs:** Suitable for driving bus lines  
- **Latch-Up Performance:** Exceeds 500mA per JESD 17  

This device is commonly used in bus-oriented systems requiring bidirectional data transfer with storage capability.

Application Scenarios & Design Considerations

Octal Bus Transceivers/Registers With 3-State Outputs
Partnumber Manufacturer Quantity Availability
SN74AS646DW 管装 1000 In Stock

Description and Introduction

Octal Bus Transceivers/Registers With 3-State Outputs The SN74AS646DW is a manufacturer part from Texas Instruments. Here are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Descriptions and Features**  
- **Manufacturer:** Texas Instruments  
- **Category:** Integrated Circuits (ICs)  
- **Series:** 74AS  
- **Package / Case:** SOIC-24  
- **Packaging:** Tube  
- **Logic Type:** Transceiver, Non-Inverting  
- **Number of Bits:** 8  
- **Voltage Supply:** 4.5V ~ 5.5V  
- **Operating Temperature:** 0°C ~ 70°C  
- **Mounting Type:** Surface Mount  
- **Features:** Bidirectional, 3-State Outputs  

### **Key Specifications**  
- **Output Type:** 3-State  
- **Number of Ports:** 2  
- **Propagation Delay Time:** 8.5ns (Max)  
- **High-Level Output Current:** -15mA  
- **Low-Level Output Current:** 48mA  

This part is designed for bidirectional data transfer in bus-oriented systems with 3-state outputs for bus interfacing.  

(Note: All details are based solely on factual data from Ic-phoenix technical data files.)

Application Scenarios & Design Considerations

Octal Bus Transceivers/Registers With 3-State Outputs

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