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ROHM Semiconductor - Standard Segment Drivers

Numéro de référence BU9795AGUW
Description Standard Segment Drivers
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BU9795AGUW fiche technique
Datasheet
Standard LCD Segment Drivers
BU9795Axxx Series MAX 140 segments (SEG35×COM4)
Features
„ Integrated RAM for display data (DDRAM) :
35 × 4bit (Max 140 Segment)
„ LCD drive output :
4 Common output, Max 35Segment 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:
BU9795AKV
140 Segments
BU9795AFV
108 Segments
BU9795AGUW
124 Segments
BU9795AKS2
140 Segments
Display Duty:
1/4
Bias:
1/2, 1/3 selectable
Interface:
3wire serial interface
Packages
W (Typ.) x D (Typ.) x H (Max.)
VQFP48C
9.00mm x 9.00mm x 1.60mm
VBGA048W040
4.00mm x 4.00mm x 0.90mm
Typical Application Circuit
VDD
SSOP-B40
SQFP-T52M
13.60mm x 7.80mm x 2.00mm 12.00mm x 12.00mm x 1.40mm
Controller
VDD
VLCD
INHb
CSB
SD
SCL
OSCIN
TEST
VSS
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG34
Segment
LCD
Internal oscillator circuit mode
Figure 1. Typical application circuit
Product structureSilicon monolithic integrated circuit
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed for protection against radioactive rays.
1/36
TSZ02201-0A0A2D300020-1-2
8.Jan.2013 Rev.003

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