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| 型號(hào)： | XRT94L31IB |
| 廠商： | Exar Corporation |
| 文件頁(yè)數(shù)： | 99/133頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC MAPPER DS3/E3/STS-1 504TBGA |
| 標(biāo)準(zhǔn)包裝： | 24 |
| 應(yīng)用： | 網(wǎng)絡(luò)切換 |
| 接口： | 總線(xiàn) |
| 電源電壓： | 3.14 V ~ 3.47 V |
| 封裝/外殼： | 504-LBGA |
| 供應(yīng)商設(shè)備封裝： | 504-TBGA（35x35） |
| 包裝： | 托盤(pán) |
| 安裝類(lèi)型： | 表面貼裝 |
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XRT94L31
68
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
REV. 1.0.1
D15
E20
AE13
RxOHCLK_0
RxOHCLK_1
RxOHCLK_2
O
CMOS
Receive Overhead Data Output Interface - clock
This output pin functions as the Receive Overhead Clock output for the
receive system side interface when the XRT94L31 is configured to oper-
ate in DS3/E3 mode, however, it functions as the Receive STS-1 Over-
head Clock output when the device is configured to operate in the STS-1
mode.
When configured to operate in DS3/E3 mode:
The channel will output the overhead bits (within the incoming DS3 or E3
frames) via the RxOH_n output pin, upon the falling edge of this clock
signal.
As a consequence, the user's local terminal equipment should use the
rising edge of this clock signal to sample the data on both the RxOH and
RxOHFrame output pins.
NOTE: This clock signal is always active.
When configured to operate in STS-1 mode:
These output pins, along with RxOH_n, RxOHFrame_n, and
RxOHEnable_n function as the Receive STS-1 TOH and POH Output
Port.These output pins function as the Clock Output signals for the
Receive STS-1 TOH and POH Output Port. The RxOH_n,
RxSTS1Frame_n and RxOHEnable_n output pins are updated upon the
falling edge of this clock signal.
E15
D22
AD13
RxOHFRAME_0
RxOHFRAME_1
RxOHFRAME_2
O
CMOS
Receive Overhead Data Interface - Framing Pulse indicator
This output pin functions as the Receive Overhead Clock output for the
receive system side interface when the XRT94L31 is configured to oper-
ate in DS3/E3 mode, however, it functions as the Receive STS-1 Over-
head Clock output when the device is configured to operate in the STS-1
mode.
When configured to operate in DS3/E3 mode:
This output pin pulses "High" whenever the Receive Overhead Data
Output Interface block outputs the first overhead bit of a new DS3 or E3
frame.
When configured to operate in STS-1 mode:
These output pins, along with RxOH_n, RxOHEnable_n and RxOHClk_n
function as the Receive STS-1 TOH and POH Output Port.
These output pins will pulse "High" coincident with either of the following
events.
When the very first TOH byte (A1), of a given STS-1 frame, is being out-
put via the corresponding RxOH_n output pin.
When the very first POH byte (J1), of a given STS-1 frame, is being out-
put via the corresponding RxOH_n output pin.
The external circuitry can determine whether or not these output pins are
pulsing "High" for the first TOH or POH byte by checking the state of the
corresponding RxOHEnable_n output pin.
Y26
RxPERR
O
CMOS
For mapper applications, Please let this pin float.
AB27
RxPEOP
O
CMOS
For mapper applications, Please let this pin float.
AA26
RxPDVAL
O
CMOS
For mapper applications, Please let this pin float.
V24
RxMOD_0
O
CMOS
For mapper applications, Please let this pin float.
V25
RxUPRTY/RxPPRTY
O
CMOS
For mapper applications, Please let this pin float.
PIN DESCRIPTION OF THE XRT94L31 (REV. B)
PIN #
SIGNAL NAME
I/O
TYPE
DESCRIPTION
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT94L31IB-F | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Demapper RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| XRT94L31IB-L | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Mapper / Demapper RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| XRT94L33 | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER - SONET REGISTERS |
| XRT94L33_06 | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC DATA SHEET |
| XRT94L33_07 | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER - ATM REGISTERS |
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