REV. 1.0.1 Table 20 presents information on the Timing Parameters for the Receive " />
參數資料
型號: XRT94L31IB-L
廠商: Exar Corporation
文件頁數: 20/133頁
文件大?。?/td> 0K
描述: IC MAPPER DS3/E3/STS-1 504TBGA
標準包裝: 24
應用: 網絡切換
接口: 總線
電源電壓: 3.14 V ~ 3.47 V
封裝/外殼: 504-LBGA
供應商設備封裝: 504-TBGA(35x35)
包裝: 托盤
安裝類型: 表面貼裝
XRT94L31
116
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
REV. 1.0.1
Table 20 presents information on the Timing Parameters for the Receive STS-1/STM-0 Telecom Bus Interface
(when configured to operate in the STS-3/STM-1 Mode).
1.4.4
The Transmit STS-1/STM-0 Telecom Bus Interface Timing
In the Transmit STS-1/STM-0 Telecom Bus Interface, all of the signals (which are input via this Bus Interface)
are sampled upon the rising edge of TxA_CLK (6.48MHz clock signal).
Figure 20 presents an illustration of the waveforms and the timing parameters (t13 and t14) of the signals that
will be received by the Transmit STS-1/STM-0 Telecom Bus Interface.
FIGURE 19. AN ILLUSTRATION OF THE WAVEFORMS OF THE SIGNALS THAT ARE OUTPUT VIA THE RECEIVE STS-1/
STM-0 TELECOM BUS INTERFACE (FOR CHANNEL 0) WHEN CONFIGURED TO OPERATE IN THE STS-3/STM-1 MODE
TABLE 20: TIMING INFORMATION FOR THE RECEIVE STS-1/STM-0 TELECOM BUS INTERFACE (WHEN CONFIGURED TO
OPERATE IN THE
STS-3/STM-1 MODE)
SYMBOL
DESCRIPTION
MIN.
TYP.
MAX.
t12
Rising edge of RxD_CLK to updates in RxD_D[7:0], RxD_PL, RxD_C1J1,
RxD_ALARM and RxD_DP
1.7ns
7.7ns
t12
RxD_CLK
RxD_D[7:0]
RxD_PL
RxD_C1J1
A2
C1
J1
Data
J1
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