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MC10H164FNR2G Specifications
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TypeParameter
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Supplier Device Package20-PLCC (9x9)
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Package / Case20-LCC (J-Lead)
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Mounting TypeSurface Mount
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Operating Temperature0°C ~ 75°C
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Voltage - Supply-4.94V ~ -5.46V
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Voltage Supply SourceDual Supply
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Current - Output High, Low-
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Independent Circuits1
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Circuit1 x 3:8
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TypeMultiplexer
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PackagingBulk
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PackagingTape & Reel (TR)
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Product StatusObsolete
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Series10H
The MM74C923WMX is an integrated circuit (IC) chip that provides scanning, encoding, and decoding functions for use in a keyboard interface. Some advantages and application scenarios of the MM74C923WMX include:1. Keyboard Interface: The chip is specifically designed for use in keyboard interfaces, allowing connection between a matrix keyboard and a microcontroller or other digital device. It helps in scanning the keyboard matrix and encoding the key pressed.2. Reduced Component Count: The MM74C923WMX reduces the component count required for a keyboard interface by integrating multiple functions into a single chip. It eliminates the need for separate scanning and encoding circuits, leading to simplified circuit design and reduced PCB area.3. TTL/CMOS-Compatible: The chip is compatible with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels, making it versatile and compatible with a wide range of digital devices.4. Built-in Debouncing: The MM74C923WMX includes a built-in debounce circuitry that eliminates the need for external debounce components. This helps in removing mechanical switch bounce and ensures accurate key detection.5. Keypad Lockout: The chip provides a keypad lockout feature that can be used to temporarily disable the keyboard input. This can be useful in scenarios where unwanted key presses need to be ignored or prevented.6. Multiple Key-Press Detection: The MM74C923WMX supports the detection of multiple key presses. It can scan and encode multiple keys simultaneously, making it suitable for applications that require multiple key combinations or complex input handling.7. Battery-Powered Applications: The low-power characteristics of the chip make it suitable for battery-powered applications, where power consumption needs to be minimized for extended battery life.8. Industrial Control Systems: The MM74C923WMX can find applications in industrial control systems, human-machine interfaces, and data entry systems, where a reliable and efficient keyboard interface is required.Overall, the MM74C923WMX integrated circuit chip offers advantages such as simplified circuit design, compatibility, debounce functionality, and multiple key-press detection. Its application scenarios include keyboard interfaces in various digital devices, battery-powered applications, and industrial control systems.
MC10H164FNR2G Relevant information