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SN74HC148N from MOT,Motorola

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SN74HC148N

Manufacturer: MOT

8-Line To 3-Line Priority Encoders

Partnumber Manufacturer Quantity Availability
SN74HC148N MOT 100 In Stock

Description and Introduction

8-Line To 3-Line Priority Encoders The SN74HC148N is a 8-line to 3-line priority encoder manufactured by Texas Instruments (MOT stands for Motorola, which was the original manufacturer before Texas Instruments acquired the product line).  

### **Specifications:**  
- **Logic Type**: Priority Encoder  
- **Number of Inputs**: 8 (active LOW)  
- **Number of Outputs**: 3 (binary coded, active LOW)  
- **Supply Voltage Range**: 2V to 6V  
- **Operating Temperature Range**: -40°C to +85°C  
- **Package**: 16-Pin PDIP (Plastic Dual In-Line Package)  
- **Propagation Delay**: Typically 13 ns at 5V  
- **Current Consumption**: Low power consumption (CMOS technology)  

### **Descriptions:**  
The SN74HC148N encodes 8 active-LOW inputs (0-7) into a 3-bit binary code (active-LOW outputs A0, A1, A2). It features priority encoding, meaning the highest-order input (input 7 has the highest priority) determines the output when multiple inputs are active.  

### **Features:**  
- **Priority Encoding**: Highest-order input takes precedence  
- **Active-LOW Inputs and Outputs**  
- **Wide Operating Voltage**: 2V to 6V  
- **High Noise Immunity** (CMOS technology)  
- **Low Power Consumption**  
- **Enable Input (EI)**: Allows cascading multiple encoders  
- **Group Select (GS)**: Indicates when any input is active  
- **Enable Output (EO)**: Used for expansion  

This device is commonly used in digital systems for address encoding, keyboard encoding, and priority interrupt handling.

Application Scenarios & Design Considerations

8-Line To 3-Line Priority Encoders

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