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SN74HC148NSR from TI,Texas Instruments

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SN74HC148NSR

Manufacturer: TI

8-Line To 3-Line Priority Encoders

Partnumber Manufacturer Quantity Availability
SN74HC148NSR TI 3448 In Stock

Description and Introduction

8-Line To 3-Line Priority Encoders The SN74HC148NSR is a 8-line to 3-line priority encoder manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type**: Priority Encoder  
- **Input Lines**: 8 (active LOW)  
- **Output Lines**: 3 (binary coded, active LOW)  
- **Supply Voltage Range**: 2V to 6V  
- **High-Level Input Voltage (Min)**: 2V  
- **Low-Level Input Voltage (Max)**: 0.8V  
- **Operating Temperature Range**: -40°C to 85°C  
- **Package**: SOIC-16  
- **Mounting Type**: Surface Mount  
- **Propagation Delay (Max)**: 25 ns at 5V  

### **Descriptions:**  
The SN74HC148NSR encodes eight active-LOW inputs into a 3-bit binary code, prioritizing the highest-order input. It includes an enable input (EI) and provides group select (GS) and enable output (EO) signals for cascading multiple encoders.  

### **Features:**  
- **Priority Encoding**: Highest-order input has precedence.  
- **Cascadable**: EO and GS outputs allow expansion.  
- **Wide Operating Voltage**: 2V to 6V.  
- **Low Power Consumption**: CMOS technology.  
- **High Noise Immunity**: Standard CMOS levels.  
- **Schmitt-Trigger Inputs**: Improved noise rejection.  

For exact details, refer to the official TI datasheet.

Application Scenarios & Design Considerations

8-Line To 3-Line Priority Encoders

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