Package on Package (PoP)
12x12mm Stacked Daisy Chain
(Bottom Package) Daisy Chain Nets
Bottom side of bottom package (top view through package) 12x12mm, 0.5 mm PSvfBGA305, 23x23 ball matrix
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
A B C D E F G H J K L
M N P R T U V W Y
AA AB AC
Daisy chain pattern of PSvfBGA -Bottom BGAs
(A)
Top side 12 corner ball DC net
Daisy chain pattern of PSvfBGA—Top memory pads
(B)
A B C D E F G H J K L
M N P R T U V
Top side of bottom package Top package interface (top view) 0.65 mm pitch, 128 pads, 18x18 ball matrix
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
*
* Connected thru bottom side (B)
PSvfBGA 305
Connected thru bottom side (A)
128 PoP (Top Package) Daisy Chain Netlist
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
A B C D E F G H J K L
M N P R T U V
Daisy chain pattern for 12 corner balls (typically reserved as NC for applications with no underfill, or option to add additional I/O or memory supplies as required for high density combinations)
Top oPP packa eg
Bottom side (top view through package)
12x12 mm, 0.65 mm pitch 128 PoP
18x18 ball matrix 2 rows
A B C D E F G H J K L
M N P R T U V
Daisy chain pattern of Top package for 116I/O memory interface
Daisy chain netlist of Top PoP and PSvfBGA.
1 2 3 4
PoP + PSvfBGA Daisy Chain Netlist
5 6 7 8 9 10 11 12 13 14 15 16 17 18
* Connected thru bottom side (B)
Top PoP stacked on PSvfBGA (top view through package
Connected thru bottom side (A)
* Color diagram of DC Net design available on our website.
Practical Components, Inc. Tel: 1-714-252-0010 Fax: 1-714-252-0026
7
Dummy Components
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