参数资料
型号: XRT94L31IB
厂商: Exar Corporation
文件页数: 32/133页
文件大小: 0K
描述: IC MAPPER DS3/E3/STS-1 504TBGA
标准包装: 24
应用: 网络切换
接口: 总线
电源电压: 3.14 V ~ 3.47 V
封装/外壳: 504-LBGA
供应商设备封装: 504-TBGA(35x35)
包装: 托盘
安装类型: 表面贴装
XRT94L31
127
REV. 1.0.1
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
NOTE: The values for t34 and t34 can be found in
1.14
RECEIVE LINE DCC EXTRACTION OUTPUT PORT
The Receive Line DCC output port provides a dedicated port for the user to extract out the Line DCC (e.g., D4
through D12) bytes from that within the incoming STS-3/STM-1 data-stream. The user should note that all of
the output signals (of this port) are updated upon the falling edge of RxTOHClk. The timing wave-form and
information for the Receive Line DCC output port is presented below.
FIGURE 30. ILLUSTRATION OF THE TIMING WAVE-FORM OF THE RECEIVE SECTION DCC OUTPUT PORT
TABLE 31: TIMING INFORMATION FOR THE RECEIVE SECTION DCC OUTPUT PORT
SYMBOL
DESCRIPTION
MIN.
TYP.
MAX.
t33
Falling edge of RxTOHClk to rising edge of RxSDCCValid
0ns
0.5ns
t34
Falling edge of RxTOHClk to RxSDCC output delay
0ns
0.4ns
FIGURE 31. ILLUSTRATION OF THE TIMING WAVE-FORM OF THE RECEIVE LINE DCC OUTPUT PORT
RxSDCC
RxTOHClk
RxSDCCVal
t33
t34
RxLDCC
RxTOHClk
RxLDCCVal
t35
t36
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