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MM74C922WMX from FAIRCHILD,Fairchild Semiconductor

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15.625ms

MM74C922WMX

Manufacturer: FAIRCHILD

16-Key Encoder

Partnumber Manufacturer Quantity Availability
MM74C922WMX FAIRCHILD 1 In Stock

Description and Introduction

16-Key Encoder **Enhance Your Keypad Interface with the MM74C922WMX Encoder**  

The MM74C922WMX is a high-performance CMOS keypad encoder designed to simplify interface design in a wide range of applications. This integrated circuit efficiently converts keypad inputs into corresponding digital outputs, making it an ideal solution for embedded systems, industrial controls, and consumer electronics.  

Engineered for reliability, the MM74C922WMX features a built-in debounce circuit, eliminating the need for external components to filter mechanical switch noise. Its 4x4 matrix scanning capability supports up to 16 keys, while the two-key rollover feature ensures accurate detection even when multiple keys are pressed simultaneously. With a low-power CMOS design, it operates efficiently across a broad voltage range, making it suitable for battery-powered devices.  

The encoder includes an internal oscillator, reducing external component count and simplifying PCB layout. Its open-drain output structure allows for easy interfacing with microcontrollers or logic circuits, providing flexibility in system integration. Additionally, the MM74C922WMX offers a data available (DA) output, signaling when a valid keypress is detected, further streamlining system responsiveness.  

Available in a compact SOIC package, this encoder is designed for space-constrained applications without compromising performance. Whether used in security systems, remote controls, or industrial panels, the MM74C922WMX delivers consistent, noise-free keypad decoding with minimal design overhead.  

For engineers seeking a robust, low-power solution for keypad interfacing, the MM74C922WMX combines efficiency, reliability, and ease of integration—making it a dependable choice for modern electronic designs.

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