10 Base-T Interface Module for PCI BUS Applications ELECTRONICS INC. EPE6273 • Recommended for use with AM 79C981 Chipset • • Complies with or exceeds IEEE 802.3, 10 Base-T Requirements • Electrical Parameters @ 25° C Cut-off Frequency (MHz) Insertion Loss (dB Max.) Return Loss (dB Min.) ± 1.0 MHz 1-10 MHz 5-10 MHz Common Mode Rejection (dB Min.) Attenuation (dB Min.) @ 20 MHz @ 25 MHz @ 30 MHz @ 40 MHz @ 50 MHz Crosstalk (dB Min.) @ 100 MHz @ 200 MHz @ 1-10 MHz Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv 17 17 -1 -1 -15 -15 -7 -5 -18 -11 -30 -18 -35 -26 -30 -30 -30 -30 --- --- -31 -31 • Isolation : meets or exceeds 802.3 IEEE Requirements • Characteristic Filter Impedance : 100 Ω • • Referenced to @ 5 MHz • Schematic Transmit Channel Receive Channel 5 1 9 LPF 100Ω 100 Ω 3 100 Ω 2 7 100 Ω LPF 100Ω 100 Ω 4 10 8 1:1 1:1 Package Dimensions A B Dim. K A B C D E F G H I J K L Pin 1 I.D. C PCA EPE6273 Date Code F H J L E I G (Inches) Min. Max. Nom. 1.03 .180 .420 .900 .020 .100 .095 .016 .008 .070 .125 .200 1.05 .200 .440 Typ. Typ. Typ. Typ. .022 .028 Typ. .145 Typ. (Millimeters) Min. Max. Nom. 26.16 4.57 10.67 22.86 .508 2.54 2.41 .406 .203 1.78 3.18 5.08 26.67 5.08 11.18 Typ. Typ. Typ. Typ. .559 .711 Typ. 3.68 Typ. D PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 CSE6273 Rev. - 3/4/97 Product performance is limited to specified parameters. Data is subject to change without prior notice. TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com