SI5540 Datasheet, PDF (12/20 Pages) Silicon Laboratories – SiPHY OC-192/STM-64 TRANSMITTER

Si5540
Si5540 Pinout: 99 BGA
10
9
8
7
6
5
4
3
2
1
TXDIN[12]– TXDIN[12]+ TXDIN[14]– TXDIN[14]+ REFCLK–
REFCLK+
TXSQLCH
RSVD_
VDD33
REFRATE
A
TXDIN[10]+ TXDIN[11]+ TXDIN[13]– TXDIN[13]+ TXDIN[15]– TXDIN[15]+ TXCLKDSBL REFSEL
RSVD_
VDD33
GND
B
TXDIN[10]– TXDIN[11]–
GND
GND
GND
GND
RESET
VDD33
GND
TXCLKOUT+
C
TXDIN[8]+ TXDIN[9]+
GND
VDD
VDD
VDD
VDD
RSVD_
GND
GND
TXCLKOUT–
D
TXDIN[8]– TXDIN[9]–
GND
VDD
VDD
VDD
VDD
RSVD_
GND
GND
GND
E
TXDIN[6]+ TXDIN[7]+
GND
VDD
VDD
VDD
VDD
RSVD_
GND
GND
TXDOUT+
F
TXDIN[6]– TXDIN[7]–
GND
VDD
VDD
VDD
VDD
RSVD_
GND
GND
TXDOUT–
G
TXDIN[4]+ TXDIN[5]+
GND
GND
GND
GND
GND
BWSEL
NC
GND
H
TXDIN[4]–
TXDIN[5]–
TXDIN[3]+
TXDIN[3]–
TXDIN[1]+
TXDIN[1]– TXMSBSEL
RSVD_
GND
TXLOL
REXT
J
TXDIN[2]+ TXDIN[2]–
TXDIN[0]+ TXDIN[0]–
TXCLK16
IN+
TXCLK16
IN–
TXCLK16
OUT+
TXCLK16
OUT–
FIFORST
FIFOERR
K
Bottom View
Figure 5. Si5540 Pin Configuration (Bottom View)
12
Preliminary Rev. 0.31