QT60645B Overview
.. LQ 32, 48, 64 KEY QMatrix™ KEYPANEL SENSOR ICS LED DRDY X7 CZ1 CSR AIN MS Vdd Vss YG SS QT60325B, QT60485B, QT60645B Advanced second generation QMatrix controllers Up to 32, 48 or 64 touch keys through any dielectric Panel thicknesses to 5 cm or more 100%.