SI5540 Datasheet, PDF (13/20 Pages) Silicon Laboratories – SiPHY OC-192/STM-64 TRANSMITTER

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