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