si5540 Silicon Laboratories, si5540 Datasheet - Page 13

• Manufacturer Part Number: si5540
• Description: Siphy Oc-192/stm-64 Transmitter - Silicon Laboratories
• Manufacturer: Silicon Laboratories

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