參數(shù)資料
型號(hào): S3076
廠商: Applied Micro Circuits Corp.
英文描述: Multi-Rate SONET/SDH Clock Recovery Unit(多速率SONET/SDH時(shí)鐘恢復(fù)單元)
中文描述: 多速率SONET / SDH時(shí)鐘恢復(fù)單元(多速率SONET / SDH的時(shí)鐘恢復(fù)單元)
文件頁數(shù): 2/18頁
文件大?。?/td> 157K
代理商: S3076
2
S3076
MULTI-RATE SONET/SDH CLOCK RECOVERY UNIT
October 23, 2000 / Revision A
S3076 OVERVIEW
The S3076 supports clock recovery for the OC-48,
Fibre Channel (2125 Mbps), OC-24, Gigabit
Ethernet, Fibre Channel (1062.5 Mbps), OC-12 or
OC-3 data rate with FEC capabilty up to 8 bytes per
255-byte block. Differential serial data is input to the
chip at the specified rate, and clock recovery is per-
formed on the incoming data stream. An external os-
cillator is required to minimize the PLL lock time, and
provide a stable output clock source in the absence of
serial input data. Retimed data and clock are output
from the S3076.
Figure 2. S3076 Functional Block Diagram
2
SERCLKOP/N
LOCKDET
SERDATOP/N
REFCLKP/N
TESTCLK
LCKREFN
SERDATIP/N
LOOP
FILTER
VCO
CLOCK
DIVIDER
PHASE DETECTOR
LOCK
DETECTOR
SDN
CAP 1,2
RATESEL[1:0]
REFSEL
TESTEN
RST
BYPASS
2
TESTOUT
REFCMP
Suggested Interface Devices
Sumitomo
OC-48 Optical Receiver
AMCC S3057
OC-48 Transceiver
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