参数资料
型号: XRT91L80IB
厂商: Exar Corporation
文件页数: 10/46页
文件大小: 0K
描述: IC TXRX SONET/SDH 4BIT 196STBGA
产品变化通告: XRT91L80IB Obsolescence 6/Sept/2010
标准包装: 126
类型: 收发器
规程: SONET/SDH
电源电压: 3.3V
安装类型: 表面贴装
封装/外壳: 196-LFBGA
供应商设备封装: 196-STBGA(12x12)
包装: 托盘
XRT91L80
xr
2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
REV. 1.0.0
16
2.4
Receive Serial Input to Parallel Output (SIPO)
The SIPO is used to convert the 2.488/2.666 Gbps serial data input to 622.08/666.51 Mbps parallel data output
which can interface to a SONET Framer/ASIC. The SIPO bit de-interleaves the serial data input into a 4-bit
parallel output to RXDO[3:0]P/N. A simplified block diagram is shown in Figure 5.
2.5
Receive Parallel Output Interface
The 4-bit LVDS 622.08/666.51 Mbps parallel data output of the receive path is used to interface to a SONET
Framer/ASIC synchronized to the recovered clock. A simplified block diagram is shown in Figure 6.
TABLE 4: LOSD DECLARATION POLARITY SETTING
SDEXT
POLARITY LOSDMUTE
INTERNAL SIGNAL DETECT
LOSDET
OUTPUT
RXDO[3:0]P/N
CDR PLL
REFERENCE LOCK
0
1
Active Low. Optical signal presence
indicated by SDEXT logic 0 input
from optical module.
Low
Normal
Operation
Hi-Spd Received
Data
0
1
Active High. Optical signal presence
indicated by SDEXT logic 1 input
from optical module.
High
LOSD
declared
Muted
Local Reference
Clock
1
0
1
Active Low. Optical signal presence
indicated by SDEXT logic 0 input
from optical module.
High
LOSD
declared
Muted
Local Reference
Clock
1
Active High. Optical signal presence
indicated by SDEXT logic 1 input
from optical module.
Low
Normal
Operation
Hi-Spd Received
Data
FIGURE 5. SIMPLIFIED BLOCK DIAGRAM OF SIPO
FIGURE 6. RECEIVE PARALLEL OUTPUT INTERFACE BLOCK
b00
b01
b02
b03
b10
b11
b12
b13
b20
b21
b22
b23
b30
b31
b32
b33
4-bit Parallel LVDS Data Output
RXDO0P/N
RXDO3P/N
RXDO2P/N
RXDO1P/N
RXIP/N
RXPCLKOP/N
622.08/666.51 MHz
b30 b20 b10 b00
b31 b21 b11 b01
b32 b22 b12 b02
b03
b13
b23
b33
2.488/2.666 Gbps
S
IP
O
time (0)
SONET Framer/ASIC
XRT91L80
STS-48/STM-16
Transceiver
RXDO0P/N
RXDO1P/N
RXDO3P/N
RXDO2P/N
RXPCLKOP/N
LOSDMUTE
DISRD
POLARITY
SDEXT
RXCLKO16P/N
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XRT91L81 制造商:EXAR 制造商全称:EXAR 功能描述:2.488/2.666GBPS OC-48/STM-16 SONET/SDH TRANSCEIVER
XRT91L81IB 制造商:EXAR 制造商全称:EXAR 功能描述:2.488/2.666GBPS OC-48/STM-16 SONET/SDH TRANSCEIVER
XRT91L82 制造商:EXAR 制造商全称:EXAR 功能描述:2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
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