Microtips Technology LCD Character Displays 668-NC-S40400XFYSAY Microtips has changed part number NMTC-S40400XFYHSAY-10 to part NMTC-S40400XFYHSAY-10B. Part's only difference is an IC change from a Sunplus driver IC to a Sitronix driver IC. Please see data sheet online at mouser.com for compliance. 5-0309-7