FreeLists / si-list / [SI-LIST] return path

[upender a <upender_ug@xxxxxxxxx>]

Dear Experts,
I have the following basic doubts.I have a four layer board with stack S-G-P-S
I placed a clock source at the Right top corner and the and the and the slave 
device at the left hand bottom.
If I route a clock trace  in "L"  shape(Of course orthogonality has been 
avoided ). 
will the return curren takes the same "L "shape?
 , Or will it takes the shortest path along the diagonal of the board?
Again if I route the clock vertically in the top layer(where the reference is 
ground)then the jump to bottom layer where the reference is power plane , 
in this case where the return current flows, still it takes the same "L" shape?
 
If i need to connect the clock to two destinations , can i go for a T 
connection in top and bottom layers.
 
Can you provide a qualitative reference in any website.
 
Thanks and Regards
Ananthoju

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