Mobile I/O Expander and QWERTY Keypad Controller
24-Pin LFCSP EP I2C I/O Expander, 3.6V, 400kHz
Keypad Decoder and I/O Expansion
10-Channel I2C Serial Interface IC, 3V, 10mA, 1MHz, VFBGA
Keypad Decoder and I/O Port Expander
16-Pin Industrial Telecom IC, 1.8V, -40 to 85°C, S-PBGA-B16
