unisonic technologies co., ltd urcz1284-xx preliminary linear integrated circuit www.unisonic.com.tw 1 of 6 copyright ? 2013 unisonic technologies co., ltd qw-r127-001.c parallel port single termination network with 15kv esd protection ? description the utc urcz1284-xx is a high-speed parallel port single termination .here is two basic cells in the integrated termination, cell 1 and cell 2(see fig1 &fig 2). the utc urcz1284-xx contains the proper termination fo r 8 data lines, 1 strobe line, 4 control lines and 4 statut lines; the utc urcz1284-xx has an extra protection against esd. the utc urcz1284-xx is ideally suitable for notebooks, pc peripherals, servers and desktops, etc. ? features * highly integrated termination * emi noise filtering * rfi noise filtering * withstand 8 kv contact-discharge ? ordering information ordering number package packing lead free halogen free urcz1284l-xx-sq8-t urcz1284g -xx-sq8-t qsop-28 tube urcz1284l-xx- sq8-r urcz1284g-xx- sq8-r qsop-28 tape & reel ? marking information
urcz1284-xx preliminary linear integrated circuit unisonic technologies co., ltd 2 of 6 www.unisonic.com.tw qw-r127-001.c ? pin configuration ? pin description pin no. pin name description 1 select in terminal of select input 2 error terminal of error 3 strobe input of strobe (before emi filtering) 4 bit 1 input of bit 1 (before emi filtering) 5 bit 2 input of bit 2 (before emi filtering) 6 bit 3 input of bit 3 (before emi filtering) 7 bit 4 input of bit 4 (before emi filtering) 8 acknowledge terminal of acknowledge 9 bit 5 input of bit 5 (before emi filtering) 10 paper out terminal of paper out 11 bit 6 input of bit 6 (before emi filtering) 12 busy terminal of busy 13 bit 7 input of bit 7 (before emi filtering) 14 bit 8 input of bit 8 (before emi filtering) 15 select paper terminal of select paper 16 bit 8? output of bit 8 (after emi filtering) 17 bit 7? output of bit 7 (after emi filtering) 18 bit 6? output of bit 6 (after emi filtering) 19 bit 5? output of bit 5 after emi filtering) 20 vcc supply voltage 21 bit 4? output of bit 4 (after emi filtering) 22 gnd ground 23 bit 3? output of bit 3 (after emi filtering) 24 bit 2? output of bit 2 (after emi filtering) 25 bit 1? output of bit 1 (after emi filtering) 26 stobe? output of str obe (after emi filtering) 27 autofeed terminal of autofeed 28 reset terminal of reset
urcz1284-xx preliminary linear integrated circuit unisonic technologies co., ltd 3 of 6 www.unisonic.com.tw qw-r127-001.c ? block diagram no r1 r2 rs c code 01 4.7k ? 4.7k ? 33 ? 180pf code 02 2.2k ? 2.2k ? 33 ? 220pf code 03 1k ? 5.1k ? 39 ? 150pf tolerance 10% 10% 10% 20%
urcz1284-xx preliminary linear integrated circuit unisonic technologies co., ltd 4 of 6 www.unisonic.com.tw qw-r127-001.c ? absolute maximum rating (t a =25c, unless otherwise specified.) parameter symbol ratings unit supply voltage v cc 5.5 v power rating per resistor p r 100 mw package power rating p p 1 w maximum operating junction temperature t j 125 c operating temperature range t opr 0~+70 c storage temperature range t stg -55~+150 c esd discharge iec61000-4-2, contact discharge v pp 8 kv note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? electrical characteristics (t a =25c, unless otherwise specified.) parameter symbol test conditions min typ max unit leakage current i r v cc =5.0v 10 ma breakdown voltage v br i r =1ma 6 v forward voltage drop v f i f =50ma 0.9 v
urcz1284-xx preliminary linear integrated circuit unisonic technologies co., ltd 5 of 6 www.unisonic.com.tw qw-r127-001.c ? basic cell configurations the utc urcz1284-xx is built around the two basic cells described by fig 1 & fig 2. ? typical application circuit
urcz1284-xx preliminary linear integrated circuit unisonic technologies co., ltd 6 of 6 www.unisonic.com.tw qw-r127-001.c utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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