参数资料
型号: XRT75L04DIV-F
厂商: Exar Corporation
文件页数: 8/98页
文件大小: 0K
描述: IC LIU E3/DS3/STS-1 4CH 176TQFP
标准包装: 72
类型: 线路接口装置(LIU)
驱动器/接收器数: 4/4
规程: DS3,E3,STS-1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 176-LQFP
供应商设备封装: 176-TQFP(24x24)
包装: 托盘
XRT75L04D
á
FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
REV. 1.0.1
12
94
103
127
118
LLB_0
LLB_1
LLB_2
LLB_3
I
Local Loop-back - Channel 0:
Local Loop-back - Channel 1:
Local Loop-back - Channel 2:
Local Loop-back - Channel 3:
This input pin along with RLB_n configures different Loop-Back modes.
A "High" on this pin with RLB_n set to "Low" configures Channel_n to operate
in the Analog Local Loop-back Mode.
A "High" on this pin with RLB_n set to "High" configures Channel_n to operate
in the Digital Local Loop-back Mode.
NOTE:
This input pin is ignored and should be connected to GND if the
XRT75L04D is operating in the HOST Mode.
95
104
126
117
RLB_0
RLB_1
RLB_2
RLB_3
I
Remote Loop-back - Channel 0:
Remote Loop-back - Channel 1:
Remote Loop-back - Channel 2:
Remote Loop-back - Channel 3:
This input pin along with LLB_n configures different Loop-Back modes.
A "High" on this pin with LLB_n set to “Low" configures Channel_n to operate in
the Remote Loop-back Mode.
A "High" on this pin with LLB_n set to "High" configures Channel_n to operate
in the Digital Local Loop-back Mode.
NOTE:
This input pin is ignored and should be connected to GND if the
XRT75L04D is operating in the HOST Mode.
OPERATING MODE SELECT
PIN #SIGNAL NAME
TYPE
DESCRIPTION
134
HOST/(HW)I
HOST/Hardware Mode Select:
Tie this pin “High” to configure in HOST mode. Tie this “Low” to configure in
Hardware mode.
When configured in HOST mode, the states of many of the discrete input pins
are controlled by internal register bits.
NOTE: This pin is internally pulled up.
CONTROL AND ALARM INTERFACE
RLB_n
0
Loopback Mode
Normal Operation
Analog Local
LLB_n
0
1
Remote
Digital
0
1
相关PDF资料
PDF描述
XRT75L04IV-F IC LIU E3/DS3/STS-1 4CH 176LQFP
XRT75L06DIB-F IC LIU E3/DS3/STS-1 6CH 217BGA
XRT75L06IB-F IC LIU E3/DS3/STS-1 6CH 217BGA
XRT75R03DIV-F IC LIU E3/DS3/STS-1 3CH 128LQFP
XRT75R03IV-F IC LIU E3/DS3/STS-1 3CH 128LQFP
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