XRT91L31IQTR-F Exar Corporation, XRT91L31IQTR-F Datasheet - Page 18

• Manufacturer Part Number: XRT91L31IQTR-F
• Description: SONET SDH - 8 Bit OC12/STM4, OC3/STM1 PHY Transceiver (with Improved Jitter Transfer Used For Loop Timing Applications)
• Manufacturer: Exar Corporation
• Type: Transceiverr

Specifications of XRT91L31IQTR-F

• Input: LVCMOS, LVPECL, LVTTL
• Output: LVCMOS, LVPECL, LVTTL
• Frequency - Max: 77.76MHz
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-FQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
XRXCLKIN
XRXCLKIP
RXIP
RXIN
REV. 1.0.2
Figure 5