參數(shù)資料
型號: XRT91L32
廠商: Exar Corporation
英文描述: STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
中文描述: STS-12/STM-4或STS-3/STM-1的SONET / SDH收發(fā)器
文件頁數(shù): 20/37頁
文件大?。?/td> 417K
代理商: XRT91L32
XRT91L32
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
xr
REV. 1.0.2
18
2.8
The 8-bit Single-Ended LVTTL running at 77.76 Mbps (STS-12/STM-4) or 19.44 Mbps (STS-3/STM-1) 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 9.
Receive Parallel Output Interface
2.9
The parallel receiver outputs are automatically pulled "Low" or forced to a logic state of "0" during a LOS
condition to prevent data chattering unless LOS detection is disabled by asserting DLOSDIS and keeping
LOSEXT input pin "high." In addition, the user can also assert LOSEXT input pin "low" from the optical module
to force an LOS and mute the parallel receiver outputs as well (while DLOSDIS input is also low, see Figure 7.)
Disable Parallel Receive Data Output Upon LOS
F
IGURE
9. R
ECEIVE
P
ARALLEL
O
UTPUT
I
NTERFACE
B
LOCK
SONET Framer/ASIC
XRT91L32
STS-12/STM-4
or
STS-3/STM-1
Transceiver
RXPCLKO
RXDO[7:0]
8
相關(guān)PDF資料
PDF描述
XRT91L32IQ-F STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
XRT91L80 2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
XRT91L80_0507 2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
XRT91L80IB 2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
XRT91L81 2.488/2.666GBPS OC-48/STM-16 SONET/SDH TRANSCEIVER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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XRT91L32IQ-F 功能描述:總線收發(fā)器 8-Bit TTL 3.3V temp -45 to 85C;UART RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
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