4-Port 10Base-T Interface Module with Enhanced Common Mode Attenuation ELECTRONICS INC. EPE6243S • Optimized for LSI L64381 Chip • Robust construction allows for solder reflow processes • Complies with or exceeds IEEE 802.3, 10Base-T Standards Electrical Parameters @ 25° C Cut-Off Frequency (MHz) Insertion Loss † (dB Max.) Return Loss (dB Min.) ± 1.0/± 1.5 Xmit/Rcv 1-10 MHz 5-10 MHz @ 20 MHz @ 25 MHz @ 30 MHz @ 5 MHz @ 10 MHz Xmit/Rcv Xmit/Rcv Xmit/Rcv Xmit/Rcv Xmit/Rcv Xmit/Rcv 17/19.5 -6/-6.5 Xmit/Rcv -15/-15 Attenuation (dB Min.) -16/-11 -8/-6 Common Mode Rejection (dB Min.) -27/-16 -45/-30 -50/-32 Crosstalk (dB Min.) @ 50 MHz @ 100 MHz @ 200 MHz 1-10 MHz Xmit/Rcv Xmit/Rcv Xmit/Rcv Xmit/Rcv -40/-30 -30/-38 -25/-27 -30/-30 • Optimized design to give 3 nS Group Delay Difference over 5 MHz-10 MHz • † Resistor Network Included • TXP+ 9,13, 19,23 TXP- 10,14, 20,24 Schematic Transmit Channel 390Ω 50,46, 42,38 TX- 63Ω 5,8, CT 27,30 49,45, 41,37 TX+ 1:1 63Ω 48,44, RX+ 40,36 49.9Ω LPF TXD+ 11,15, 21,25 12,16, TXD22,26 Receive Channel RXD+ 3,6, 28,31 LPF 49.9Ω 1:1 47,43, RX39,35 RXD- 4,7, 29,32 1,2, 33,34 R Gnd 390Ω 17,18 X Gnd Package .750 (19.05) C L 1.100 (27.94) .750 (19.05) .080 (2.03) 50 PCA EPE6243S Date Code CL 3.25 (8.26) 35 1.100 (27.94) 1 1.00 25.40) 34 .075 (1.91) 26 10 .050 (1.27) (46 Plcs) 1.00 25.40) 1.150 (29.21) .090 (2.29) .025 (.635) .033/.020 (.076/.508) .275 (6.99) .400 (10.16) .050 (1.27) .008/.012 (.230/.305) 0°-8° 1.150 (29.21) .045 (1.43) Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25 PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 Product performance is limited to specified parameters. Data is subject to change without prior notice. CSE6243S Rev. 1 5/6/03 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com