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MC14017B

Decade Counter

Partnumber Manufacturer Quantity Availability
MC14017B 1226 In Stock

Description and Introduction

Decade Counter The MC14017B is a 5-stage Johnson decade counter with 10 decoded outputs, manufactured by ON Semiconductor. It is part of the 4000 series CMOS logic family.  

### **Key Specifications:**  
- **Supply Voltage Range (VDD):** 3V to 18V  
- **High Noise Immunity:** 0.45 VDD (typ.)  
- **Low Power Consumption:** 10 nW (typ.) at 5V  
- **Operating Temperature Range:** -55°C to +125°C  
- **Output Current (Sink/Source):** 6.8 mA (min) at 15V  

### **Description:**  
The MC14017B is a Johnson decade counter that cycles through 10 unique states, providing decoded outputs (Q0–Q9). It features a built-in divide-by-10 counter and is commonly used in frequency division, sequencing, and timing applications.  

### **Features:**  
- **10 Decoded Outputs (Q0–Q9)**  
- **Cascadable for Higher Count Sequences**  
- **Buffered Inputs and Outputs**  
- **Schmitt Trigger on Clock Input for Improved Noise Immunity**  
- **Available in PDIP, SOIC, and TSSOP Packages**  

This IC is widely used in digital circuits requiring sequential counting and decoding functions.

Application Scenarios & Design Considerations

Decade Counter

Alternative Part Number

  • CD4017BE --: Pin-compatible CMOS decade counter/divider with identical function and widely available as a direct replacement.
  • HEF4017BP --: Standard 4000-series decade counter with the same pinout and logic function, suitable for direct substitution.
  • CD74HC4017E --: High-speed CMOS decade counter with equivalent function and pinout, offering improved performance over the original.

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