Standard ICs Picture cell driver for STN (LCD driver) BU9716BK / BU9716BKV The BU9716BK and BU9716BKV are man-machine interface ICs designed for applications such as multi-media portable terminals. Specifically, these products are used as driver ICs for operating mode display LCD panels in portable terminals, household appliances, and other similar products. The number of display cells includes 32 segments and 3 com- mons, enabling drive of up to 96 cells. Applications Multi-media portable terminals, POS terminals, ECR terminals, short wave radios, telephones, cameras, VCRs, movie projectors, car audio systems, and others Features 1) Up to 32 segment outputs and 3 common outputs 3) Either 1 / 2 or 1 / 3 can be selected for power supply can be displayed, for a total of 96 segments. for LCD display. 2) 1 / 3 duty display. Absolute maximum ratings (Ta = 25C, VSS = 0V) Parameter Symbol Limits Unit Power supply voltage VDD 0.3 ~ + 7.0 V 1 * BU9716BK 500 Power dissipation Pd mW 2 * BU9716BKV 400 Input voltage VIN 0.3 ~ VDD + 0.3 V Operating temperature Topr 40 ~ + 85 C Storage temperature Tstg 55 ~ + 125 C 1 Reduced by 5mW for each increase in Ta of 1C over 25C . * 2 Reduced by 4mW for each increase in Ta of 1C over 25C . * Recommended operating conditions (Ta = 25C, VSS = 0V) Parameter Symbol Min. Typ. Max. Unit Power supply voltage VDD 4.5 5.5 V VDD1 0 2 / 3VDD VDD V Input voltage VDD2 0 1 / 3VDD VDD V 1Standard ICs BU9716BK / BU9716BKV Block diagram VDD1 LCD Power VDD2 RES CS CTRL Logic DATA Latch DI CK OSC OSC Common Driver Segment Driver Pin assignments 36 25 COM2 37 24 33 23 N.C. COM2 34 22 S22 COM3 S22 COM3 S21 RES S21 RES S20 VDD S20 VDD S19 VDD1 S19 VDD1 S18 S18 VDD2 BU9716BK BU9716BKV VDD2 S17 VSS S17 VSS S16 OSC S16 OSC S15 S15 CS CK CS S14 S14 CK S13 DI S13 DI 44 12 S12 N.C. 48 13 S12 1 11 1 12 2 S1 COM1 S32 S2 S3 S31 S4 S30 S5 S29 S6 S28 COM1 S7 S27 S8 S26 S9 S25 COM2 S10 S24 S11 S23 COM3 S1 S2 S1 COM1 S3 S32 S2 S4 S31 S3 S4 S30 S5 S29 S6 S28 S7 S27 S8 S26 S30 S25 S9 S10 S24 S31 S11 S23 N.C. S32 N.C.