View BU9795A-E2_2828772.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

1/14 www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. lcd segment drivers standard segment drivers bu9795akv,bu9795afv ,bu9795aguw,bu979 4akv,bu97950fuv description rohm standard function segment driver series achieve ?ultra-low power consum ption?. also these drivers need not external components. and this driver series is very simple t hat only has segment driver functi on. so, these driver series are very suitable to add in lcd display function for various applications. features (bu9795akv/fv/guw, bu9794akv) 1) 3wire serial interface 2) integrated ram for display data (ddram) 3) power supply circuit for lcd driving 1/2, 1/3bias selectable 1/4duty integrated buffer amp 4) integrated oscillation circuit 5) integrated power-on reset circuit 6) no external components 7) support blink function 8) support standby mode 9) low voltage / ultra low power consumption design 10) support unity voltage supply (bu9795akv/fv/guw) 11) support independent power supply circuit for lcd driving (bu9794akv) features (bu97950fuv) 1) 2wire serial interface 2) integrated ram for display data (ddram) 3) integrated power supply circuit for lcd driving 1/4 bias 1/8 duty integrated buffer amp 4) integrated oscillation circuit 5) integrated power-on reset circuit 6) no external components 7) support standby mode 8) low voltage / ultra low power consumption design 9) integrated electrical volume register (evr) function 10) support register read function 11) support independent power supply circuit for lcd driving applications telephone, fax, portable equipment (pos, ecr, pda etc.), dsc, dvc, car audio, home electrical applianc e, meter equipment, healthcare equipment etc. no.10044eat06
technical note 2/14 bu9795akv,bu9795afv ,bu9795aguw,bu979 4akv,bu97950fuv www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. ?
technical note 3/14 bu9795akv,bu9795afv ,bu9795aguw,bu979 4akv,bu97950fuv www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. ? ?
technical note 4/14 bu9795akv,bu9795afv ,bu9795aguw,bu979 4akv,bu97950fuv www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. dc characteristics (vdd=2.5~5.5v, vlcd=2.5~ 5.5v, vss=0v, ta=-40~85 ? ?
technical note 5/14 bu9795akv,bu9795afv ,bu9795aguw,bu979 4akv,bu97950fuv www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. dc characteristics (vdd=2.5~5.5v, vlcd=2.5~ 5.5v, vss=0v, ta=-40~85 ? ?
technical note 6/14 bu9795akv,bu9795afv ,bu9795aguw,bu979 4akv,bu97950fuv www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. com0 seg34 seg33 seg32 seg31 seg30 seg29 seg28 seg27 seg26 seg25 seg24 com1 seg23 com2 seg22 com3 seg21 vlcd seg20 vdd seg19 vss seg18 oscin seg17 csb seg16 scl seg15 sd seg14 test seg13 inhb seg12 36 25 1 2 1 37 48 24 13 seg0 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg9 seg10 seg11 1 2 1
technical note 7/14 bu9795akv,bu9795afv ,bu9795aguw,bu979 4akv,bu97950fuv www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. seg22 seg21 seg17 seg20 seg16 seg23 seg19 seg10 seg8 seg9 seg11 seg12 seg13 seg14 seg15 seg18 seg26 seg25 seg24 seg27 scl sda seg5 test seg6 csb inhb seg30 seg28 seg29 com0 com2 com3 seg7 seg4 vdd vss oscin vlcd com1 1 20 21 40
technical note 8/14 bu9795akv,bu9795afv ,bu9795aguw,bu979 4akv,bu97950fuv www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved.
technical note 9/14 bu9795akv,bu9795afv ,bu9795aguw,bu979 4akv,bu97950fuv www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. lcd bias selector common driver segment driver oscillator power on reset sd scl vss oscin vss com0com3 seg0seg49 if filter serial inter face command register common counter ddram lcd voltage generator command data decoder blink timing generator vlcd csb test1 inhb vdd test2 seg37 seg36 seg35 seg34 seg33 seg32 seg31 seg30 seg29 seg28 seg27 seg26 seg25 seg24 seg23 seg22 seg38 seg21 seg39 seg20 seg40 seg19 seg41 seg18 seg42 seg17 seg43 seg16 seg44 seg15 seg45 seg14 seg46 seg13 seg47 seg12 seg48 seg11 seg49 seg10 com0 seg9 com1 seg8 com2 seg7 com3 seg6 49 64 32 17 48 33 1 6 1 vlcd vdd vss oscin csb scl sd inhb test1 test2 seg0 seg1 seg2 seg3 seg4 seg5 1 6 1
technical note 10/14 bu9795akv,bu9795afv ,bu9795aguw,bu979 4akv,bu97950fuv www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. sda scl sda scl seg21 seg22 seg23 seg24 seg25 seg26 seg27 seg28 seg29 seg30 seg31 seg32 seg33 seg34 com0 com1 com2 com3 com4 com5 com6 com7 vdd vlcd vss seg20 seg19 seg18 seg17 seg16 seg15 seg14 seg13 seg12 seg11 seg10 seg9 seg8 seg7 seg6 seg5 seg4 seg3 seg2 seg1 seg0
technical note 11/14 bu9795akv,bu9795afv ,bu9795aguw,bu979 4akv,bu97950fuv www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved.
technical note 12/14 bu9795akv,bu9795afv ,bu9795aguw,bu979 4akv,bu97950fuv www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. fig.16
technical note 13/14 bu9795akv,bu9795afv ,bu9795aguw,bu979 4akv,bu97950fuv www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. (unit : mm) ssop-b40 0.08 m 0.1 s 0.22 0.1 0.65 0.15 0.1 0.5 0.2 7.8 0.3 5.4 0.2 1.8 0.1 0.1 1 40 20 21 13.6 0.2 (max 13.95 include burr) ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tape quantity direction of feed the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand 2000pcs e2 () direction of feed reel 1pin (unit : mm) vbga048w040 m abs 0.05 48- 0.295 0.05 0.08 s s a b 1pin mark e 0.5 4 0.9max g 4.0 0.1 4.0 0.1 f 3 p=0.5 6 p=0.5 6 0.5 1 0.10 2 0.5 0.1 0.5 0.1 b a 7 c 6 d 5 ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape (with dry pack) tape quantity direction of feed the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand 2500pcs e2 () direction of feed reel 1pin ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape (with dry pack) tape quantity direction of feed the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand 2000pcs e2 () direction of feed reel 1pin (unit : mm) tssop-c48v 1 24 48 25 (max 12.85 include burr) 1pin mark 0.080.08 0.850.05 1.0max 0.5 0.5 0.22 ?0.04 +0.05 12.50.1 8.10.2 6.10.1 0.50.15 1.00.2 0.17 +0.05 ?0.03 0.08 m 0.08 s +6 4 ?4 s
technical note 14/14 bu9795akv,bu9795afv ,bu9795aguw,bu979 4akv,bu97950fuv www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. direction of feed reel ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape (with dry pack) tape quantity direction of feed the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand 1000pcs e2 () 1pin (unit : mm) vqfp64 +6 4 - 4 1.25 49 32 1 64 1.25 33 17 12.00.2 16 48 1pin mark 10.00.1 12.00.2 10.00.1 0.50.15 1.00.2 0.145 +0.05 - 0.03 1.6max 0.50.1 1.40.05 0.10.05 0.2 +0.05 - 0.04 0.08 m s 0.08 direction of feed reel ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tape quantity direction of feed the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand 1500pcs e2 () 1pin (unit : mm) vqfp48c +6 4 - 4 0.08 m 0.08 s 24 37 48 36 25 12 1 13 0.50.15 7.0 0.1 7.0 0.1 1pin mark 0.75 1.4 0.05 - 0.03 0.5 0.1 +0.05 1.6max 0.75 0.145 - 0.04 +0.05 0.22 0.1 0.05 1.00.2 9.0 0.2 9.0 0.2
r1120 a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. notes no copying or reproduction of this document, in part or in whole, is permitted without the consent of rohm co.,ltd. the content specied herein is subject to change for improvement without notice. the content specied herein is for the purpose of introducing rohm's products (hereinafter "products"). if you wish to use any such product, please be sure to refer to the specications, which can be obtained from rohm upon request. examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the products. the peripheral conditions must be taken into account when designing circuits for mass production. great care was taken in ensuring the accuracy of the information specied in this document. however, should you incur any damage arising from any inaccuracy or misprint of such information, rohm shall bear no responsibility for such damage. the technical information specied herein is intended only to show the typical functions of and examples of application circuits for the produc ts. rohm does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by rohm and other parties. rohm shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. the products specied in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, ofce-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specied in this document are not designed to be radiation tolerant. while rohm always makes efforts to enhance the quality and reliability of its products, a product may fail or malfunction for a variety of reasons. please be sure to implement in your equipment using the products safety measures to guard against the possibility of physical injury, re or any other damage caused in the event of the failure of any product, such as derating, redundancy, re control and fail-safe designs. rohm shall bear no responsibility whatsoever for your use of any product outside of the prescribed scope or not in accordance with the instruction manual. the products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel- controller or other safety device). rohm shall bear no responsibility in any way for use of any of the products for the above special purposes. if a product is intended to be used for any such special purpose, please contact a rohm sales representative before purchasing. if you intend to export or ship overseas any product or technology specied herein that may be controlled under the foreign exchange and the foreign trade law, you will be required to obtain a license or permit under the law.

▲Up To Search▲

Price & Availability of BU9795A-E2

	To Download BU9795A-E2 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .