參數(shù)資料
型號(hào)： DS26303LN-75+A3
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 64/101頁(yè)
文件大?。?/td> 0K
描述： IC LIU E1/T1/J1 3.3V 144-ELQFP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
類型： 線路接口裝置（LIU）
驅(qū)動(dòng)器/接收器數(shù)： 8/8
規(guī)程： T1/E1/J1
電源電壓： 3.135 V ~ 3.465 V
安裝類型： 表面貼裝
封裝/外殼： 144-LQFP 裸露焊盤
供應(yīng)商設(shè)備封裝： 144-LQFP 裸露焊盤
包裝： 托盤
其它名稱： 90-26303+7N3
DS26303: 3.3V, T1/E1/J1, Short-Haul, Octal Line Interface Unit
65 of 101
6.7
G.772 Monitor
In this application, only seven LIUs are functional and one LIU is used for nonintrusive monitoring of input and
output of the other seven channels. Channel 1 is used for monitoring channels 2 to 8. G.772 monitoring is
configured by the GMC register (see Table 5-9). While monitoring with channel 1, the device can be configured in
remote loopback and the monitored signal can be output on TTIP1 and TRING1.
6.8
Loopbacks
The DS26303 provides four loopbacks for diagnostic purposes: analog loopback (ALBC:ALBCn set), digital
loopback (DLBC:DLBCn set), remote loopback (RLBC:RLBCn set), and dual loopback (DLBC:DLBCn set and
(RLBC:RLBCn set).
6.8.1
Analog Loopback
The analog output of the transmitter TTIPn and TRINGn is looped back to RTIPn and RRINGn of the receiver. Data
at RTIPn and RRINGn is ignored in analog loopback. See Figure 6-8.
Figure 6-8. Analog Loopback
Line
Driver
HD B 3 /
B8 Z S
En c o d e r
O pt i ona l
Ji t t e r
A t t e nu at or
Tr a n s m i t
Di g i t a l
T r ans m i t
An a l o g
TCLK
TPOS
TNEG
HD B 3 /
B8 Z S
D ec oder
O pt i onal
Ji t t e r
A t t e nuat or
Re c e i v e
Di g i t a l
Re c e i v e
An a l o g
RCLK
RPOS
RNEG
Rtip
Rring
6.8.2
Digital Loopback
The transmit system data TPOSn, TNEGn, and TCLKn are looped back to output on RCLKn, RPOSn, and RNEGn.
The data input at TPOSn and TNEGn is encoded and output on TTIPn and TRINGn. Signals at RTIPn and
RRINGn are ignored. This loopback is conceptually shown in Figure 6-9.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS26303LN-XXX 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
DS26303LN-XXX+ 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
DS26303L-XXX 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
DS26303L-XXX+ 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
DS26-32.768-STD-020 制造商:Micro Crystal Switzerland 功能描述:
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