LM8300/LM8400/LM8500 Four Wire Resistive Touchscre.
National Semiconductor
LM8400 - Four Wire Resistive Touchscreen Controller
LM8300/LM8400/LM8500 Four Wire Resistive Touchscreen Controller with Brownout PRELIMINARY October 2002 LM8300/LM8400/LM8500 Four Wire Resistive Touc.