BU9795AFV

Datasheet Standard LCD Segment Drivers BU9795AFV MAX 108 segments (SEG27×COM4) ●Features  Integrated RAM for display data (DDRAM) : 27 × 4bit (Max 108 Segment)  LCD drive output : 4 Common output, Max 27Segment output  Integrated Buffer AMP for LCD driving  Integrated Oscillator circuit  No external components  Low power consumption design ●Applications  Telephone  FAX  Portable equipment (POS, ECR, PDA etc.)  DSC  DVC  Car audio  Home electrical appliance  Meter equipment etc. ●Key Specifications ■ Supply Voltage Range: +2.5V to +5.5V ■ Operating Temperature Range: -40°C to +85°C ■ Max Segments: 108 Segments ■ Display Duty: 1/4 ■ Bias: 1/2, 1/3 selectable ■ Interface: 3wire serial interface ●Packages W (Typ) x D (Typ) x H (Max) SSOP-B40 13.60mm x 7.80mm x 2.00mm ●Typical Application Circuit VDD Controller VDD VLCD INHb CSB SD SCL OSCIN TEST VSS COM0 COM1 COM2 COM3 SEG4 SEG5 SEG30 ・・・・・・・ ・・・・・・・ Segment LCD Internal oscillator circuit mode Figure 1. Typical application circuit ○Product structure：Silicon monolithic integrated circuit www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ22111･14･001 ○This product has no designed protection against radioactive rays. 1/26 TSZ02201-0A0A2D300020-1-2 20.Mar.2019 Rev.004 BU9795AFV MAX 108 segments (SEG27×COM4) ●Block Diagrams / Pin Configurations / Pin Descriptions COM0……COM3 SEG4……SEG30 VDD LCD voltage generator Common driver Segment driver VLCD INHb OSCIN VSS ＋ － LCD BIAS...