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The Maxim Integrated MAX7359ETG+T is a versatile, compact, and high-performance 12-port keyboard and switch controller. It provides features for both keyboard matrix and switch scanning applications, making it suitable for a wide range of input devices. Functions: 1. Keyboard matrix scanning. 2. Switch matrix scanning. 3. Supports up to 12 individually programmable LED drivers. 4. Multiple communication interfaces including I2C, SPI, and UART. 5. On-chip debounce filter for clean switching signals. Applications: 1. Keyboards. 2. Keypads. 3. Industrial control switches. 4. Consumer electronics. 5. Gaming peripherals. Alternative Components: 1. Holtek HT82K95E. 2. Cypress CY8CMBR3110. 3. STMicroelectronics STM32F070CB. Embedded Modules: 1. LED drivers. 2. Communication interfaces (I2C, SPI, UART). 3. Debounce filters for switch inputs. Related Q&A: 1. Can the Maxim IntegratedMAX7359ETG+T be used for backlit keyboard designs?: Yes, the MAX7359ETG+T supports up to 12 individually programmable LED drivers, making it suitable for backlit keyboard applications. 2. What is the maximum number of keys supported by the MAX7359ETG+T?: The MAX7359ETG+T supports scanning up to 96 keys (8x12 matrix configuration). 3. How can I interface the MAX7359ETG+T with a microcontroller?: The MAX7359ETG+T can communicate with a microcontroller using the I2C, SPI, or UART interface. 4. Does the MAX7359ETG+T provide any built-in functionality for key debouncing?: Yes, the MAX7359ETG+T features an on-chip debounce filter to ensure clean and accurate switch signals. 5. What power supply requirements does the MAX7359ETG+T have?: The MAX7359ETG+T typically operates from a 3.3V power supply and has low power consumption suitable for portable devices.