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SN74ALS640BNE4 from TI,Texas Instruments

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SN74ALS640BNE4

Manufacturer: TI

OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

Partnumber Manufacturer Quantity Availability
SN74ALS640BNE4 TI 82 In Stock

Description and Introduction

OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS The SN74ALS640BNE4 is a bus transceiver manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Logic Type:** Octal Bus Transceiver  
- **Technology:** Advanced Low-Power Schottky (ALS)  
- **Number of Bits:** 8  
- **Voltage Supply Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package Type:** PDIP-20  
- **Output Type:** 3-State  
- **Propagation Delay Time:** 10ns (max)  
- **High-Level Output Current:** -15mA  
- **Low-Level Output Current:** 24mA  

### **Descriptions:**  
The SN74ALS640BNE4 is an octal bus transceiver designed for asynchronous communication between data buses. It features non-inverting 3-state outputs and bidirectional data flow controlled by output enable (OE) and direction (DIR) inputs.  

### **Features:**  
- **Bidirectional Data Flow:** Controlled by DIR input  
- **3-State Outputs:** Allows bus isolation  
- **High-Current Outputs:** Drive up to 24mA  
- **Wide Operating Voltage:** 4.5V to 5.5V  
- **Low Power Consumption:** ALS technology reduces power usage  
- **ESD Protection:** Exceeds 2000V per JESD 22  

This device is commonly used in data transmission systems, microprocessor interfaces, and bus-oriented applications.  

(Source: Texas Instruments Datasheet)

Application Scenarios & Design Considerations

OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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