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SN54HC640J from TI,Texas Instruments

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SN54HC640J

Manufacturer: TI

Octal Bus Transceivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN54HC640J TI 50 In Stock

Description and Introduction

Octal Bus Transceivers With 3-State Outputs The SN54HC640J is a high-speed CMOS octal bus transceiver with 3-state outputs, manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Octal Bus Transceiver  
- **Technology:** High-Speed CMOS (HC)  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -55°C to +125°C (Military Grade)  
- **Output Type:** 3-State  
- **Number of Channels:** 8  
- **Package Type:** Ceramic DIP (J)  
- **Propagation Delay:** Typically 14 ns at 5V  
- **Input/Output Compatibility:** TTL-Level  

### **Descriptions:**  
The SN54HC640J is designed for bidirectional data transfer between buses. It features separate control inputs for enabling/disabling data flow in either direction.  

### **Features:**  
- **Bidirectional Data Flow:** Controlled by Direction (DIR) and Output Enable (OE) inputs.  
- **3-State Outputs:** Allows connection to a bus-oriented system.  
- **Wide Operating Voltage:** Supports 2V to 6V operation.  
- **Low Power Consumption:** Typical ICC of 80 µA.  
- **High Noise Immunity:** CMOS technology ensures robust performance.  
- **Balanced Propagation Delays:** Ensures reliable signal timing.  

This device is commonly used in military and aerospace applications due to its extended temperature range and ceramic packaging.

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