BU9795AKV Datasheet, PDF (1/16 Pages) Rohm – Standard function Segment Drivers

LCD Segment Driver series
Standard function
Segment Drivers
BU9795AKV, BU9795AFV, BU9795AGUW
No.09044EBT01
●Description
This is LCD segment driver for 140 segment type display. There is a lineup which is suitable for multi function display and is
integrated display RAM and power supply circuit for LCD driving with 4 common output type: BU9795AKV/FV/GUW.
●Features
1) 3wire serial interface (CSB, SD, SCL)
2) Integrated RAM for display data (DDRAM) : 35 × 4bit (Max 140 Segment)
3) LCD driving port: 4 Common output,
Segment: 35output (BU9795AKV), 31output (BU9795AGUW), 27output (BU9795AFV)
4) Display duty: 1/4 duty
5) Integrated Buffer AMP for LCD driving power supply
6) 1/2bias, 1/3bias selectable
7) No external components
8) Low power/ Ultra low power consumption design: +2.5～5.5V
●Applications
Telephone, FAX, Portable equipment (POS, ECR, PDA etc.),
DSC, DVC, Car audio, Home electrical appliance, Meter equipment etc.
●Line up matrix
Parameter
Segment output
Common output
Package
BU9795AKV
35
4
VQFP48C
BU9795AFV
27
4
SSOP-B40
BU9795AGUW
31
4
VBGA048W040
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2009.07 - Rev.B