IC Phoenix logo

Home ›  M  › M145 > MM74HC161MX

MM74HC161MX from FSC,Fairchild Semiconductor

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

MM74HC161MX

Manufacturer: FSC, FAIRCHILD, FAIRC

Synchronous Binary Counter with Asynchronous Clear

Partnumber Manufacturer Quantity Availability
MM74HC161MX FSC, FAIRCHILD, FAIRC 4990 In Stock

Description and Introduction

Synchronous Binary Counter with Asynchronous Clear # **MM74HC161MX: A High-Performance 4-Bit Synchronous Binary Counter**  

The **MM74HC161MX** is a high-speed, synchronous 4-bit binary counter designed for precision timing and counting applications. Built with advanced high-speed CMOS technology, this component delivers reliable performance while maintaining low power consumption, making it an excellent choice for digital systems requiring efficient counting operations.  

## **Key Features**  

- **Synchronous Operation** – All flip-flops are clocked simultaneously, ensuring precise counting without ripple delays.  
- **Fully Programmable** – Features parallel load capability, allowing preset values to be loaded for custom counting sequences.  
- **High-Speed Performance** – With propagation delays as low as 13 ns, the MM74HC161MX supports fast counting operations in high-frequency applications.  
- **Wide Operating Voltage Range** – Operates between **2V and 6V**, providing flexibility in various digital circuit designs.  
- **Asynchronous Clear** – A master reset function allows immediate counter clearing, independent of the clock signal.  
- **Low Power Consumption** – CMOS technology ensures minimal power dissipation, enhancing energy efficiency.  

## **Applications**  

The MM74HC161MX is widely used in digital systems where accurate counting and timing are essential. Common applications include:  

- **Frequency Dividers** – Generating lower clock frequencies from a master clock signal.  
- **Event Counters** – Tracking occurrences in digital control systems.  
- **Timing Circuits** – Used in microcontroller-based designs for precise timing operations.  
- **Sequential Logic Systems** – Implementing state machines and control logic in embedded applications.  

## **Reliability and Compatibility**  

Compatible with standard **74HC logic families**, the MM74HC161MX ensures seamless integration into existing designs. Its robust construction and adherence to industry standards make it a dependable choice for engineers and designers working on digital counting solutions.  

For applications demanding accuracy, speed, and efficiency, the **MM74HC161MX** stands out as a high-performance synchronous counter, delivering consistent results in a compact and power-efficient package.

Application Scenarios & Design Considerations

Synchronous Binary Counter with Asynchronous Clear

Alternative Part Number

  • SN74HC161N --: Same 4-bit synchronous binary counter function with identical HC logic family and pinout, widely available from TI.
  • CD74HC161E --: Harris/Intersil CD74HC161 series is a direct functional equivalent with matching HC CMOS characteristics and DIP/SOIC options.
  • MC74HC161AN --: Motorola/ON MC74HC161 is a pin-compatible 4-bit counter in the same HC family, suitable as a drop-in replacement.
  • SN74HC161DR --: Same 4-bit synchronous binary counter function in the 74HC logic family, widely available, pin-compatible SOIC package, and a direct functional replacement.
  • MC74HC161ADG --: Motorola-origin 74HC161 synchronous counter, same function and pinout, good second-source option with broad availability.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips