name: 78P7200 function: DS3/E3/STS1 Line Interface package: PLCC,28 manufacturer: TDK added-by: Neil Harrison comment: DS3/E3/STS1 Line Interface with Receive Equalizer +---------+-----------+----------+-------------+ | 1 - LIN+| 8 - TGND | 15 - TNEG| 22 - DGND | | 2 - NCR | 9 - LOUT+| 16 - TCLK| 23 - RCLK | | 3 - LIN-| 10 - NCT | 17 - TVCC| 24 - RNEG | | 4 - NCR | 11 - LOUT-| 18 - OPT2| 25 - RPOS | | 5 - RFO | 12 - LBO | 19 - LF1 | 26 - DVCC | | 6 - RGND| 13 - /OPT1| 20 - LF2 | 27 - /LOWSIG| | 7 - RVCC| 14 - TPOS | 21 - NCD | 28 - CPD | +---------+-----------+----------+-------------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/