參數(shù)資料
型號(hào): XRT91L34IV
廠商: Exar Corporation
文件頁(yè)數(shù): 11/38頁(yè)
文件大?。?/td> 0K
描述: IC MULTIRATE CDR QUAD 128LQFP
標(biāo)準(zhǔn)包裝: 72
類型: 時(shí)鐘和數(shù)據(jù)恢復(fù)(CDR),扇出緩沖器(分配),多路復(fù)用器
PLL:
主要目的: SONET/SDH,STS,STM
輸入: LVDS,LVPECL
輸出: LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 1:2
差分 - 輸入:輸出: 是/是
頻率 - 最大: 622.08MHz
電源電壓: 1.71 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 128-LQFP
供應(yīng)商設(shè)備封裝: 128-LQFP(14x14)
包裝: 托盤
XRT91L34
19
REV. 1.0.1
QUAD CHANNEL MULTIRATE STS-12/3/1 AND STM-4/1/0 SONET/SDH CDR
2.6
Differential Recovered Data Output Timing
The differential recovered data and clock outputs operating at the STS-12/STM-4 or STS-3/STM-1 or STS-1/
STM-0 datarates will adhere to the data valid output timing shown in Figure 9 ,Table 5, Table 6, and Table 7.
FIGURE 9. DIFFERENTIAL RECOVERED OUTPUT TIMING
TABLE 5: RECOVERED DATA OUTPUT TIMING (STS-12/STM-4 OPERATION)
SYMBOL
PARAMETER
MIN
TYP
MAX
UNITS
tRXCLKO
Recovered high-speed output clock period
1.608
ns
tRXDO_VALID
Time the data is valid on RXDO[3:0]P/N before and after the
rising edge of RXCLKO[3:0]P/N
0.5
ns
TABLE 6: RECOVERED DATA OUTPUT TIMING (STS-3/STM-1 OPERATION)
SYMBOL
PARAMETER
MIN
TYP
MAX
UNITS
tRXCLKO
Recovered high-speed output clock period
6.43
ns
tRXDO_VALID
Time the data is valid on RXDO[3:0]P/N before and after the
rising edge of RXCLKO[3:0]P/N
2.8
ns
TABLE 7: RECOVERED DATA OUTPUT TIMING (STS-1/STM-0 OPERATION
)
SYMBOL
PARAMETER
MIN
TYP
MAX
UNITS
tRXCLKO
Recovered high-speed output clock period
19.29
ns
tRXDO_VALID
Time the data is valid on RXDO[3:0]P/N before and after the
rising edge of RXCLKO[3:0]P/N
8.3
ns
RXCLKO[3:0]P/N
RXDO[3:0]P/N
tRXDO_VALID
tRXCLKO
D1
D2
D4
D3
D5
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