. Various SONIC SENS630 SENS670 free download

File name SONIC SENS630_SENS670.rar

S630/S670 5-1 Main Board SONIC 5-1-1 Schematic Diagrams CPU : Chip Set : Remarks : Model Name : PBA Name : PCB Code : Dev. Step : Revision : 5 Schematic Diagrams and PCB Silkscreen T.R. Date : DRAW CHECK APPROVAL 5-1 5-2 4 3 2 1 D D W48S87-72HTR(1209-001181) C C 5 Schematic Diagrams and PCB Silkscreen KQT 5-1-1(a) Main Board Schematic Sheet 2 of 28(Clock Chip) B B 1) Don't place Clock chip near PCB edge. Place near PCB center and mounting hole. Make the clock generator area more "clean" 2) Every power pins have a decoupling CAP direct connect it. Make the shortest trace. 3) Ground pin directly connect to ground plane. 4) Make trace of power pin and ground pin short and wider than width of chip pad. 5) Don't place via between clock chip power pin and decoupling CAP. 6) Clock trace must have damping resistor and filter Capacitor near to clock chip output pin. A 7) No other signal trace across through the clock generator area. A Including crystal, clock chip, decoupling capacitor, damping and filter. 4 3 2 1 S630/S670 4 3