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CS1220 Datenblatt(PDF) 1 Page - Applied Micro Circuits Corporation

Teilenummer CS1220
Bauteilbeschribung  SONET/SDH/ATM Quad OC-3/12 with Clock Data Recovery (CDR)
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Hersteller  AMCC [Applied Micro Circuits Corporation]
Direct Link  http://www.amcc.com
Logo AMCC - Applied Micro Circuits Corporation

CS1220 Datenblatt(HTML) 1 Page - Applied Micro Circuits Corporation

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PRODUC T BRIEF
S122
0
Description
The S1220 device consists of four CDR modules.
Each of the modules can independently run at
the OC-3 or OC-12 data rate. The S1220 can also
be provisioned to mix and match OC-3 and OC-
12 data streams within the same device.
The S1220 can be configured in Media
Independent Interface (MII) mode or in Non-MII
mode.
The S1220 minimizes the external components
on the board: no external loop filter
component, internally biased outputs, internally
provided common mode bias for AC input, and
internally provided bias for external LVPECL
driver.
The S1220 offers significant advantages in
power and real estate savings with high level of
integration, and a small package.
The figure below, System Block Diagram, shows
a typical network application.
Overview
The function of the S1220 clock and data
recovery unit is to derive high speed timing
signals for SONET/SDH-based equipment. The
S1220 receives either an OC-12 or an OC-3
scrambled NRZ signal and recovers the clock
from the data stream. The device outputs a
differential bit clock and retimed data.
The Low Voltage LVDS or LVPECL interfaces
guarantee compliance with the bit-error rate
requirements of the Telcordia and ITU-T
standards.
The S1221 is divided into four transmitter
channels and four receiver channels.
The sequence of operations is as follows for
each Channel:
• Serial data input
• Serial Data and recovered clock outputs
Internal clocking and control functions are
transparent to the user.
AMCC Suggested Interface Devices
AMCC S4805 (DANUBE)
SONET/SDH Mapper STS-48/STM-16,
4 x STS-12/STM, 4 x STS-3/STM-1
AMCC S4806 (OHIO)
OC-48/4 x OC-12 SONET/SDH Framer
and channelized ATM/POS Mapper
AMCC S1208 (EVROS)
STS-12/STM-4 DS3/E3/DS1 E1/VT/
TU SONET/SDH Mapper
Agilent
HFBR-5908E
SFF Optical Transceiver
Sumitomo
SCP6802-GL
SCM6005
SFP & SFF
Optical Transceiver
Finisar
FTRJ1322P1xTR
SFP Optical Transceiver
OCP
TRPN03 & TRPN12
SFP Optical Transceiver
JDS Uniphase
CT2-P
SFP Optical Transceiver
Features
• Complies with Bellcore and ITU-T specifica-
tions for jitter tolerance, jitter transfer, and jit-
ter generation
• On-chip high-frequency PLLs for clock gener-
ation and clock recovery
• Supports Data Rates of 155.52 Mbps (OC-3)
and 622.08 Mbps (OC-12)
• LVDS or LVPECL differential serial interface
• Internal termination of the optic’s LVPECL
driver renders a seamless power saving con-
nection
• Typical 320 mW power in LVDS I/O mode
• Directly compatible with 2.5 V or 3.3 V LVDS,
3.3 V LVPECL (DC and AC)
• 196 PBGA Package,15x15 mm2 with Green/
RoHS compliant lead free option
• CMOS 0.13 micron technology
• 1.2 V and 3.3 V/2.5 V Power supply
• Receiver lock detect output for each channel
• Continued on next page...
• Signal detect input on each channel
• Selectable reference frequencies of 19.44,
77.76 or 155.52 MHz
• Quad configuration, mixed Mode OC-3/OC-12
• Independent power down of unused channels
• Drop-in-replacement for S1212
Applications
• SONET/SDH OC-3/OC-12
• SONET/SDH modules
• SONET/SDH test equipment
• ATM over SONET/SDH
•Section repeaters
• Add Drop Multiplexers (ADM)
• Broad-band cross-connects
• Fiber optic terminators
• Fiber optic test equipment
S1220
SONET/SDH/ATM Quad OC-3/12 with Clock Data Recovery (CDR)
System Block Diagram with the S1220
Framer
With integrated
SERDES
Or
ASIC
S1220
S1220
Framers
With Integrated
SERDES
Or
ASIC
ORX
OTX
OTX
ORX
ORX
OTX
OTX
ORX
ORX
OTX
OTX
ORX
ORX
OTX
OTX
ORX
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
CDR
DATA
CDR
DATA
CDR
DATA
CDR
DATA
CDR
DATA
CDR
DATA
CDR
DATA
CDR
DATA
CDR
CLOCK
CDR
CLOCK
CDR
CLOCK
CDR
CLOCK
CDR
CLOCK
CDR
CLOCK
CDR
CLOCK
CDR
CLOCK
MII port
MII port
FPGA
FPGA


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