STMicroelectronics' Xpander logic family of devices is designed to increase the number of I/O ports and enhance the control and mixed-signal capability of existing microcontrollers and microprocessors. Advantages of the Xpander logic family include very small packages, ultra-low power consumption and flexible interface voltage, making them ideal for devices such as mobile phones and media players.
STMPE1801 18-bit port expander with keypad controller
8 x 10 keypad, low power, low EMI, high ESD
STMPE2401 24-bit enhanced port Xpander Logic
With keypad and PWM controller
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