Product Information

BU9795AKS2

BU9795AKS2 electronic component of ROHM

Datasheet
LCD SEGMENT DRIVER, 140 SEG, SQFP-52
Manufacturer: ROHM
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 6.6339 ea
Line Total: USD 6.63

0 - Global Stock
MOQ: 1  Multiples: 1
Pack Size: 1

 More Buying Options & Price Grid(s)

Availability Price Quantity
0 - WHS 1


Ships to you between Tue. 14 May to Mon. 20 May

MOQ : 1
Multiples : 1
1 : USD 6.6339
10 : USD 2.594
100 : USD 1.8821
250 : USD 1.6254
500 : USD 1.4288
1000 : USD 1.4062

Read More Specifications

     
Manufacturer
Product Category
No Of Digits
No Of Segments
Driver Case Style
No Of Pins
Supply Voltage Min
Supply Voltage Max
Interface Type
Operating Temperature Min
Operating Temperature Max
Packaging
Product Range
Msl
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Additional Infomation About Product

Datasheet Standard LCD Segment Drivers BU9795Axxx Series MAX 140 segments (SEG35COM4) Features Key Specifications Integrated RAM for display data (DDRAM) : Supply Voltage Range: +2.5V to +5.5V 35 4bit (Max 140 Segment) Operating Temperature Range: -40C to +85C LCD drive output : Max Segments: 4 Common output, Max 35Segment output BU9795AKV 140 Segments Integrated Buffer AMP for LCD driving BU9795AFV 108 Segments Integrated Oscillator circuit BU9795AGUW 124 Segments No external components BU9795AKS2 140 Segments Low power consumption design Display Duty: 1/4 Bias: 1/2, 1/3 selectable Interface: 3wire serial interface Applications Telephone FAX Packages W (Typ.) x D (Typ.) x H (Max.) Portable equipment (POS, ECR, PDA etc.) DSC DVC Car audio Home electrical appliance Meter equipment etc. VQFP48C VBGA048W040 9.00mm x 9.00mm x 1.60mm 4.00mm x 4.00mm x 0.90mm SSOP-B40 SQFP-T52M 13.60mm x 7.80mm x 2.00mm 12.00mm x 12.00mm x 1.40mm Typical Application Circuit VDD VDD COM0 VLCD COM1 COM2 COM3 INHb CSB Controller Segment SD LCD SCL SEG0 SEG1 OSCIN TEST VSS SEG34 Internal oscillator circuit mode Figure 1. Typical application circuit Product structureSilicon monolithic integrated circuit This product is not designed for protection against radioactive rays. www.rohm.com TSZ02201-0A0A2D300020-1-2 2013 ROHM Co., Ltd. All rights reserved. 1/36 TSZ2211114001 8.Jan.2013 Rev.003DatasheetDatasheet BU9795Axxx Series MAX 140 segments (SEG35COM4) Block Diagrams / Pin Configurations / Pin Descriptions BU9795AKV COM0COM3 SEG0 SEG34 VDD LCD voltage generator Common Segment driver driver 37 24 COM1 SEG23 COM2 SEG22 LCD BIAS COM3 SEG21 SELECTOR VLCD SEG20 Common Blink timing DDRAM counter generator VDD SEG19 VSS SEG18 OSCIN SEG17 VLCD CSB SEG16 SCL SEG15 INHb SD SEG14 Command Command OSCIN register Data Decoder TEST SEG13 OSCILLATOR INHb SEG12 Power On Reset Serial inter face 48 13 IF FILTER VSS TEST CSB SD SCL Figure 2. Block Diagram Figure 3. Pin Configuration (TOP VIEW) Table 1 Pin Description Pin name Pin No. I/O Function Input terminal for turn off display INHb 48 I H : turn on display L : turn off display Test input (ROHM use only) TEST 47 I Must be connected to VSS External clock input OSCIN 43 I External clock and Internal clock can be selected by command. Must be connected to VSS when using internal oscillation circuit. SD 46 I Serial data input SCL 45 I Serial data transfer clock CSB 44 I Chip select : L active VSS 42 GND VDD 41 Power supply VLCD 40 Power supply for LCD driving SEG0 to 34 1 to 35 O SEGMENT output for LCD driving COM0 to 3 36 to 39 O COMMON output for LCD driving www.rohm.com TSZ02201-0A0A2D300020-1-2 2013 ROHM Co., Ltd. All rights reserved. 2/36 TSZ2211115001 8.Jan.2013 Rev.003 11 12 36 SEG0 COM0 SEG1 SEG34 SEG2 SEG33 SEG3 SEG32 SEG4 SEG31 SEG5 SEG30 SEG6 SEG29 SEG7 SEG28 SEG8 SEG27 SEG9 SEG26 SEG10 SEG25 SEG11 SEG24 25

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