LCD4002 (R) AMERICAN MICROSYSTEMS, INC June, 1998 Preliminary AMI 0.6 micron CMOS C6L Double Poly LCD Display Driver LVDD AVDD Features * * * 2 back planes 40 Segments 4 Voltage level RESET BP1 CLK LCD DRIVER Description S[1:40] LCD Driver cell produces 4 Voltage levels (AVSS,AVDD/3 ,2/3AVDD,AVDD) for both the back plane and segment drivers. BP2 SEG[1:20] LVSS AVSS PIN DESCRIPTION NAME TYPE DESCRIPTION AVDD AVSS LVDD LVSS RESET CLK S[1:40] BP1 BP2 SEG[1:20] Analog Supply Analog Supply Digital Supply Digital Supply Digital Input Digital Input Digital Input Analog Output Analog Output Analog Output Nominal 5V Analog gnd Nominal 5V Digital gnd Cell Reset LCD Clock LCD Segment Select (S=1Segment on) LCD Back plane 1 Output LCD Back plane 2 Output LCD Segment Outputs AC ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER AVDD LVDD T Fs Analog Supply Digital Supply Temperature LCD Clock Rate CONDITION (Segment loads 50pf,100Meg) 1 MIN TYP MAX UNITS 4.5 4.5 -40 5 5 5.5 5.5 85 10 V V C KHz (R) LCD4002 AMERICAN MICROSYSTEMS, INC June, 1998 Preliminary AMI 0.6 micron CMOS C6L Double Poly (Back plane loads 300pf) 2