xrt91l31 Exar Corporation, xrt91l31 Datasheet - Page 18

• Manufacturer Part Number: xrt91l31
• Description: Sts-12/stm-4 Or Sts-3/stm-1 Sonet/sdh Transceiver
• Manufacturer: Exar Corporation

XRT91L31
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
differential clock XRXCLKIP/N coming from the optical module or an external clock recovery unit.
shows the possible internal paths of the recovered clock and data.
F
IGURE
CDRDIS
Div by 8
Parallel
CLOCK
Data
5. I
NTERNAL
8
C
LOCK AND
SIPO
D
CLOCK
ATA
DATA
R
ECOVERY
B
YPASS
18
Data
CLK
CDR
XRXCLKIP
XRXCLKIN
RXIP
RXIN
REV. 1.0.0
Figure 5