VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
2.48832Gb/s 16:1 SONET/SDH
Transceiver with Integrated Clock Generator
VSC8140
Table 5: Package Pin Identification - 208 BGA
Pin #
Name
I/O
Level
Description
No connect, leave unconnected(2)
No connect, leave unconnected(2)
No connect, leave unconnected(2)
U3
U2
U1
NC
NC
NC
—
—
—
—
—
—
NOTES: (1) There has been a change in the naming of the pins of the Low-Speed Parallel Receive and Transmit pins of the
VSC8140. RXOUT0; pin R10 (MSB) has been changed to RXOUT15; pin K15 (MSB) and TXIN15; pin M3 (LSB) has
been changed to TXIN0; pin P9 (LSB).
(2) No connect (NC) pins must be left unconnected. Connecting any of these pins to either the positive or negative power
supply rails may cause improper operation or failure of the device; or in extreme cases, cause permanent damage to the
device.
Page 30
VITESSE SEMICONDUCTOR CORPORATION
G52251-0, Rev. 4.0
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
9/6/00
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
