P
R
E
L
I
M
I
N
A
R
Y
I
N
F
O
R
M
A
T
I
O
N
XpressFlow-2020 Series –
Ethernet Switch Chipset
SC220
XpressFlow Engine
Note:
•
‚
ƒ
For 256-BGA package: F4, K4, P4, U5, U9, U12, V11, V15, V17, R17, J17, F17, D17, D14, D12, D8 and D6 are VDD.
For 256-BGA package: D4, M4, U10, P17, G17 and D15 are VDD(Core).
For 256-BGA package: E4, G4, L4, N4, T4, U6, U8, U11, U13, W14, T17, M17, K17, H17, E17, D16, D13, D10, D9, D7, and
D5 are VSS.
© 1998 Vertex Networks, Inc.
10
Rev. 4.5 – February
1999