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XRT7298 Datasheet, PDF (4/16 Pages) Exar Corporation – DS3/STS-1, E3 INTEGRATED LINE TRANSMITTER | |||
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XRT7298
PIN DESCRIPTION (CONTâD)
Pin # Symbol T ype Description
%39
2 BF5Ri1pUU'oHl$Va7Sr$RVQViGoLJLlQaQJDtioOWVRnWKOHuDtpSuSUtR 7SUKLDLVWHSLFQRJGRLQHJVUKXLOJHKRIURFURRGQLQHJEHLWUSURHUULLRVGGZHWKHHFQWHDGELQLSWRKOHDU5Y3LR'OD$W7LR$Q QRW
3//287 2 PLL ClockOutput. &ORFN RXWSXW V\QFKURQL]HG WR 7&/.
51(* 2 ReceiveNegativeData. 7KLV VLJQDO LV WKH GHFRGHG YHUVLRQ RI 51'$7$
5326 2 ReceivePositive Data 7KLV VLJQDO LV WKH GHFRGHG YHUVLRQ RI 53'$7$
5&/.2 2 ReceiveClockOutput 7KLV VLJQDO LV WKH LQYHUWHG YHUVLRQ RI 5&/.
'02
2 Drive±r Mo7n&it/o.r OFOuRFtpNuSt.HU,LIRQGRVW'UD0QV2PJLWRWHHGV$K0LJK, VXLJQQWLDO OWKLVHSQUHHV[HW Q$W0R,QV0LJ7Q,D3O DLVQGGH0WH5F,W1HG* IRU
05,1* , MXUHonGiHtoWHrFRWLiRnQg ,IQnWpHuUQtDOO$\0S,XVOOHLJGQDKOLJIUKRP 75,1* FDQ EH FRQQHFWHG WR WKLV SLQ IRU OLQH GULYHU IDLO
07,3
, MGHoWHnFitWoLRrQTi,pQWIHnUpQDuOtO\$S0XO,OHVGLJKQLDJOKIURP 77,3 FDQ EH FRQQHFWHG WR WKLV SLQ IRU OLQH GULYHU IDLOXUH
*1'$
Analog Ground IRU DQDORJ FLUFXLWU\
75,1* 2 TWKrLaVnSsLmQit Ring Output 7UDQVPLW $0, VLJQDO LV GULYHQ WR WKH OLQH YLD D WUDQVIRUPHU IURP
77,3
2 TSLrQansmit T ip Output. 7UDQVPLW $0, VLJQDO LV GULYHQ WR WKH OLQH YLD D WUDQVIRUPHU IURP WKLV
9''$
7;/(9
5V Analog Supply (± 5%) IRU DQDORJ FLUFXLWU\
, TVK'HLr6JaWWKnLQsRJ:mUW6KKitH7LVLQ6eSLvWLQeLVPKlELSRJHeGKORlHeRZcU tOR.Z7K IH:WRKLWXHVWQSKXRWKWXHOVGFLJEDQHEDOHVO HDOHWPQOSRJOZWLKWX LGV7HKJDLUVHW DS7WL7HQ,U3LVWKDDDQFQGWLY7H5R,1QIWO*\7ZF;DL/WKQ(SE9LHQVYKDRVUXLHHOGWGWEREH\VHW
,&7
, ISnH-GcDirQcFuHitVTWDeWsHtinWRgD.OO$RZORZIRUDLWQWKFLLVUFSXLLQW FWHDVXWVLQHJVD,QOOWGHLUJQLDWDOOO\DSQXGOOHDGQDKORLJJKRXWSXWV WR JR LQWR D KLJKLP
53'$7$ , 5Re&c/e.ivePositive Data 15= LQSXW GDWD WR WKH GHFRGHU EORFN 6DPSOHG RQ WKH IDOOLQJ HGJH RI
51'$7$ , RIDeOOcLQeJivHeGJNHeRgIa5ti&ve/.Data 15= LQSXW GDWD RI WKH GHFRGHU EORFN 6DPSOHG RQ
Note:
1 If a bipolarviolationoccurs,RPOS andRNEG cancorrespondto thedecodedversions of RNDAT A andRPDAT A respectively. If
DECODIS is high,RPOS andRNEG alwaystrackRPDAT A andRNDAT A respectively.
5HY
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