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SN74ALS645A from TI,Texas Instruments

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SN74ALS645A

Manufacturer: TI

Octal Bus Transceivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74ALS645A TI 59 In Stock

Description and Introduction

Octal Bus Transceivers With 3-State Outputs The SN74ALS645A is an octal bus transceiver manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Octal Bus Transceiver  
- **Technology:** Advanced Low-Power Schottky (ALS)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Input/Output Compatibility:** TTL  
- **Number of Channels:** 8  
- **Direction Control:** Bidirectional with direction control pin (DIR)  
- **Output Type:** 3-State  
- **Propagation Delay (Max):** 12 ns  
- **Package Options:** 20-pin PDIP, SOIC, and others  

### **Descriptions and Features:**  
- Bidirectional data flow controlled by the DIR input.  
- Non-inverting data transmission.  
- 3-state outputs for bus-oriented applications.  
- High-current outputs for driving heavily loaded buses.  
- Typical propagation delay of 8 ns (for 5V supply).  
- Low power consumption compared to standard TTL.  
- Designed for asynchronous communication between data buses.  

For detailed electrical characteristics and timing diagrams, refer to the official TI datasheet.

Partnumber Manufacturer Quantity Availability
SN74ALS645A 381 In Stock

Description and Introduction

Octal Bus Transceivers With 3-State Outputs The SN74ALS645A is an octal bus transceiver manufactured by Texas Instruments. Here are its key specifications, descriptions, and features:

### **Manufacturer:**  
Texas Instruments  

### **Description:**  
The SN74ALS645A is an octal bus transceiver designed for bidirectional asynchronous communication between data buses. It features non-inverting 3-state outputs and is commonly used in bus-oriented applications.  

### **Key Features:**  
- **Logic Type:** Octal Bus Transceiver  
- **Voltage Supply:** 4.5V to 5.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Output Type:** 3-State (Non-Inverting)  
- **Number of Channels:** 8  
- **Propagation Delay:** Typically 9ns  
- **High Output Drive:** ±24mA  
- **Input/Output Isolation:** Provided when disabled  
- **Package Options:** 20-pin PDIP, SOIC, and others  

### **Applications:**  
- Data bus buffering  
- Bidirectional data transfer  
- Memory interfacing  
- System-level signal routing  

This device is part of the ALS (Advanced Low-Power Schottky) family, offering a balance of speed and power efficiency.

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