ISDNS-Bus Input/Output Modules 8485-8489 Units matched to leading transceiver IC’s. Meet the impedance requirements of CCITT 1.430 for both TE and NT over extended temperature range –40 to + 85°C. IC MFG. FILTRAN P/N AMD AM 79C 30A/32A . . . . . . . . . . . . . . . . . . . 8487, 8489 LUCENT (AT&T) T7234, T7254, T7250, T7256, T7259 . . . . 8486, 8488 T7903 . . . . . . . . . . . . . . . . . . . . . . . . . . . 8487, 8489 MIETEC MTC-2072 . . . . . . . . . . . . . . . . . . . . . . . . 8487, 8489 MITEL MT8930/8931 . . . . . . . . . . . . . . . . . . . . . 8487, 8489 MOTOROLA MC145574 . . . . . . . . . . . . . . . . . . . . . . . 8486, 8488 Mechanical and Schematic IC MFG. FILTRAN P/N NATIONAL TP3420/3421 . . . . . . . . . . . . . . . . . . . . . . 8487, 8489 SGS THOMSON ST5420/5421 . . . . . . . . . . . . . . . . . . . . . . 8487, 8489 SIEMENS PEB2080/2081/2084/2085/2086 . . . . . . . 8487, 8489 PSB 2186 . . . . . . . . . . . . . . . . . . . . . . . . 8487,8489 PSB 21381/21382/21383/21384 . . . . . . . 8485 PEB3086 . . . . . . . . . . . . . . . . . . . . . . . . . 8485 YAMAHA YM7405B . . . . . . . . . . . . . . . . . . . . . . . . 8487, 8489 (All dimensions in inches) SUGGESTED PAD LAYOUT SCHEMATIC 8485-8489 Unless specified all tolerances are XX +/- 0.01" ELECTRICAL SPECIFICATION @ 25˚C Transformer ISSUE: D 123/04/02 Part Number Choke Secondary Pins Ratio ±2% L Pri LL Sec Cw/w CD Pri DCR Pri DCR Sec (Pri:Sec) (mH MIN) (µH MAX) (pF MAX) (pF MAX) (Ω +25% MAX) (Ω +25% MAX) 8485 1CT:1CT 30 10 150 100 3.4 3.4 4.7 mH 1.4 20-18, 13-11 8486 1CT:2.5CT 30 10 150 100 3.4 7.0 470 µH 1.4 20-18, 13-11 8487 1CT:2CT 30 10 150 100 3.4 5.4 470 µH 1.4 20-18, 13-11 8488 1CT:2.5CT 30 10 150 100 3.4 7.0 4.7 mH 1.4 20-18, 13-11 8489 1CT:2CT 30 10 150 100 3.4 5.4 4.7 mH 1.4 20-18, 13-11 An ISO 9001 Registered Company L DCR (Ω MAX) 229 Colonnade Road, Ottawa, Ontario, Canada K2E 7K3 Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com