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M54HC161 from STM,ST Microelectronics

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M54HC161

Manufacturer: STM

SYNCHRONOUS PRESETTABLE 4-BIT COUNTER

Partnumber Manufacturer Quantity Availability
M54HC161 STM 5 In Stock

Description and Introduction

SYNCHRONOUS PRESETTABLE 4-BIT COUNTER The M54HC161 is a high-speed CMOS 4-bit synchronous binary counter with asynchronous reset, manufactured by STMicroelectronics (STM).  

### **Specifications:**  
- **Technology:** High-Speed CMOS (HC)  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -55°C to +125°C  
- **High Noise Immunity:** Standard CMOS levels  
- **Low Power Consumption:** Optimized for battery-operated applications  
- **Speed:** Fast propagation delay (typically 19ns at 5V)  
- **Package Options:** DIP (Dual In-line Package), SO (Small Outline)  

### **Descriptions:**  
- **Functionality:** Synchronous 4-bit binary counter with parallel load and asynchronous clear.  
- **Counting Mode:** Increments on each rising clock edge when enabled.  
- **Parallel Load:** Allows preset values to be loaded via data inputs.  
- **Asynchronous Reset:** Immediate counter reset (independent of clock).  
- **Cascading Capability:** Ripple Carry Output (RCO) enables multi-stage counting.  

### **Features:**  
- **Synchronous Operation:** Clocked counting for precise timing.  
- **Parallel Load Inputs:** Enables preset initialization.  
- **Asynchronous Master Reset:** Clears all flip-flops immediately.  
- **Carry Output:** Simplifies cascading multiple counters.  
- **Wide Voltage Range:** Compatible with TTL and CMOS logic levels.  
- **Low Power Consumption:** Suitable for portable and power-sensitive applications.  

This information is based on the manufacturer's datasheet for the M54HC161 from STMicroelectronics.

Application Scenarios & Design Considerations

SYNCHRONOUS PRESETTABLE 4-BIT COUNTER

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