http://www.analog.com New Products for Display and Lighting | Analog Devices Mon, 11 Jan 2010 14:29:08 GMT 2010-01-11T14:29:08Z http://www.analog.com/en/power-management/display-and-lighting/adp5587/products/product.html The ADP5587 is an I/O port expander and keypad matrix designed for QWERTY type phones that require a large keypad matrix and expanded I/O lines. I/O expander ICs are used in mobile platforms as a solution to the limited number of GPIOs available in the main processor.</p><p> In its small 4 mm × 4 mm package, the ADP5587 contains enough power to handle all key-scanning and decoding and to flag the Display and Lighting Display and Lighting Mon, 11 Jan 2010 14:29:08 GMT http://www.analog.com/en/power-management/display-and-lighting/adp5587/products/product.html 2010-01-11T14:29:08Z