18Z4884 Overview
TRANSFORMER SELECTION GUIDE For T1/E1 Interface Dual SMD IC Manufacturer & IC P/N AT&T T7288 T7289 T7290 T7290 T7690 T7690 Brooktree BT8370 BT8370 UGA 510-1 R8069, R8069A, R8069B Crystal 61534, 61544, 61574, 6158, 61535 61535A, 61574A, 61575, 6158A 61535A,.