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SN74LS243N from TI.,Texas Instruments

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SN74LS243N

Manufacturer: TI.

QUAD BUS TRANSCEIVER

Partnumber Manufacturer Quantity Availability
SN74LS243N TI. 273 In Stock

Description and Introduction

QUAD BUS TRANSCEIVER The SN74LS243N is a quadruple bus transceiver manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Number of Channels:** 4  
- **Logic Type:** Bus Transceiver  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package Type:** PDIP (Plastic Dual In-Line Package)  
- **Pin Count:** 20  
- **Propagation Delay:** Typically 15ns  
- **Output Current:** ±8mA (High), ±0.4mA (Low)  
- **Input Current (High/Low):** ±20μA  

### **Descriptions:**  
The SN74LS243N is a bidirectional bus transceiver designed for asynchronous communication between data buses. It provides four independent transceiver channels, allowing data to flow in either direction based on control inputs.  

### **Features:**  
- **Bidirectional Data Flow:** Allows data transmission in both directions.  
- **Independent Control for Each Channel:** Enables selective data transfer.  
- **3-State Outputs:** Supports bus-oriented applications.  
- **Low Power Consumption:** Typical power dissipation of 32mW.  
- **TTL-Compatible Inputs and Outputs:** Ensures compatibility with TTL logic levels.  
- **High Noise Immunity:** Reduces susceptibility to noise in industrial environments.  

This device is commonly used in microprocessor and microcontroller systems for bus interfacing.

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