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SN74HC393NSR from TI,Texas Instruments

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SN74HC393NSR

Manufacturer: TI

Dual 4-Bit Binary Counters

Partnumber Manufacturer Quantity Availability
SN74HC393NSR TI 2740 In Stock

Description and Introduction

Dual 4-Bit Binary Counters The SN74HC393NSR is a dual 4-bit binary ripple counter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Binary Counter  
- **Number of Bits:** 4 (per counter)  
- **Number of Counters:** 2  
- **Supply Voltage Range:** 2V to 6V  
- **High-Level Output Current:** -5.2 mA  
- **Low-Level Output Current:** 5.2 mA  
- **Propagation Delay:** 20 ns (typical at 5V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-14 (NSR)  

### **Descriptions:**  
- The SN74HC393NSR consists of two independent 4-bit ripple counters.  
- Each counter has a clear input (CLR) to reset the count to zero.  
- The counters operate on a negative-edge clock transition.  

### **Features:**  
- **Wide Operating Voltage Range:** 2V to 6V  
- **High Noise Immunity**  
- **Low Power Consumption**  
- **Schmitt-Trigger Clock Inputs** for improved noise rejection  
- **Fully Buffered Outputs**  
- **Synchronous or Asynchronous Operation** (via clear input)  
- **Compatible with LSTTL Input Logic Levels**  

This device is commonly used in frequency division, counting, and timing applications.

Application Scenarios & Design Considerations

Dual 4-Bit Binary Counters

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