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M74HC161TTR from ST,ST Microelectronics

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M74HC161TTR

Manufacturer: ST

SYNCRONOUS PRESETTABLE 4-BIT BINARY COUNTER, WITH ASYNCHRONOUS CLEAR

Partnumber Manufacturer Quantity Availability
M74HC161TTR ST 2500 In Stock

Description and Introduction

SYNCRONOUS PRESETTABLE 4-BIT BINARY COUNTER, WITH ASYNCHRONOUS CLEAR The M74HC161TTR is a high-speed CMOS 4-bit synchronous binary counter with asynchronous reset, manufactured by STMicroelectronics.  

### **Specifications:**  
- **Logic Family:** HC  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -40°C to +125°C  
- **High Noise Immunity:** CMOS technology  
- **Low Power Consumption:**  
  - 4 µA (max) at 5V  
- **High-Speed Operation:**  
  - 24 MHz (typ) at 5V  
- **Output Drive Capability:**  
  - 10 LSTTL loads  
- **Package:** TSSOP-16  

### **Descriptions:**  
- **Functionality:** Synchronous 4-bit binary counter with asynchronous reset.  
- **Clock Input:** Positive-edge triggered.  
- **Parallel Load:** Allows presetting the counter.  
- **Asynchronous Reset:** Clears all flip-flops independently of the clock.  
- **Carry Output:** Enables cascading multiple counters.  

### **Features:**  
- Synchronous counting  
- Asynchronous master reset  
- Parallel load capability  
- Carry look-ahead for easy cascading  
- TTL-compatible inputs  
- Balanced propagation delays  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and timing diagrams, refer to the official STMicroelectronics documentation.

Application Scenarios & Design Considerations

SYNCRONOUS PRESETTABLE 4-BIT BINARY COUNTER, WITH ASYNCHRONOUS CLEAR

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