S1R77081F seiko epson corporation rsds transmitter/receiver ? overview S1R77081F converts the image dat a that is output with low amplitude diffe rential signal from an analog front end ic equipped with ccd drive clock generation f unction (ex.s1r77021) to lvttl level. by combining an analog front end ic and S1R77081F, a scanner system that o ffers the high quality image and reduction of radiation noise can be achieved easily. ? features ? rsds output 3ch ? rsds input 9ch ? adjustable output current by external resistance ? differential input/out put specification transfer rate: max100mbps/channel differential voltage output: 140mv (mi n.), 200mv (typ.), 280mv (max.) output common mode volt age: 1.1v(min.), 1.3v (typ.), 1.5v (max.) output current: 1.4mv(min.), 2.0m a(typ.), 2.8ma(max.) (in the ca se that outside resistance is 13k ? ) ? lvttl input/output level ? package qfp48pin (0.5mm pitch) ? 3.3v single power supply ? block diagram vdd,rx_vdd,tx_vdd vss,rx_vss,tx_vss rx8o tx0p tx0n tx1p tx1n rx0n xrst rext rx0o tsten rx8p rx8n mode tx2i tx2p tx2n tx0i tx1i rx0p bias generator rsds -tx rsds -rx rsds -rx rsds -tx rsds -tx decoder ? applications scanner, mfp, copy-machine, fax etc.
S1R77081F notice: no part of this material may be reproduced or duplicated in any fo rm or by any means without the written permission of seiko ep son. seiko epson reserves the right to make c hanges to this material without notice. se iko epson does not assume any liability of a ny kind arising out of any inaccuracies contained in this material or due to its application or use in any product or circuit and, furt her, there is no representation that this material is app licable to products requiring high level reliab ility, such as, medical products. moreo ver, no license to any intellectual property rights is granted by implication or otherwise, and there is no representation or warranty that any thing made in accordance with this material will be free from any patent or copy right infringement of a third party. this material or portio ns thereof ma y contain technology or the subject relati ng to strategic products under the control of the foreign exchange and foreign trade la w of japan and may require an export license from the ministry of internat ional trade and industry or other approval from another governme nt agency. ?seiko epson corporation 2005, all rights reserved. document code: 410322901 first issue june, 2005 printed december, 2005 in japan semiconductor operations division seiko epson corporation ic sales department ic marketing group 421-8 hino, hino-shi, tokyo 191-8501, japan phone: 042-587-5814 fax: 042-587-5117 http://www.epsondevice.com/ ? epson electronic devices website
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