参数资料
型号: XRT75L04DIV-F
厂商: Exar Corporation
文件页数: 78/98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
4
PIN DESCRIPTIONS (BY FUNCTION)
TRANSMIT INTERFACE
PIN #SIGNAL NAME
TYPE
DESCRIPTION
52
49
169
172
TxON_0
TxON_1
TxON_2
TxON_3
I
Transmitter ON Input - Channel 0:
Transmitter ON Input - Channel 1:
Transmitter ON Input - Channel 2:
Transmitter ON Input - Channel 3:
These pins are active only when the corresponding TxON bit is set.
Table below shows the status of the transmitter based on theTxON bit and
TxON pin settings.
NOTES:
1.
These pins will be active and can control the TTIP and TRING outputs
only when the TxON_n bits in the channel register are set .
2.
When Transmitters are turned off the TTIP and TRING outputs are Tri-
stated.
3.
These pins are internally pulled up.
46
34
175
11
TxCLK_0
TxCLK_1
TxCLK_2
TxCLK_3
I
Transmit Clock Input for TPOS and TNEG - Channel 0:
Transmit Clock Input for TPOS and TNEG - Channel 1:
Transmit Clock Input for TPOS and TNEG - Channel 2:
Transmit Clock Input for TPOS and TNEG - Channel 3:
The frequency accuracy of this input clock must be of nominal bit rate ± 20 ppm.
The duty cycle can be 30%-70%.
By default, input data is sampled on the falling edge of TxCLK when input data
is changing on the rising edge of TxCLK..
44
32
1
13
TNEG_0
TNEG_1
TNEG_2
TNEG_3
I
Transmit Negative Data Input - Channel 0:
Transmit Negative Data Input - Channel 1:
Transmit Negative Data Input - Channel 2:
Transmit Negative Data Input - Channel 3:
In Dual-rail mode, these pins are sampled on the falling or rising edge of
TxCLK_n .
NOTES:
1.
These input pins are ignored and must be grounded if the Transmitter
Section is configured to accept Single-Rail data from the Terminal
Equipment.
Bit
0
Transm itter Status
OFF
Pin
0
1
OFF
ON
0
1
Host/HW
1
x
OFF
0
x
ON
1
0
相关PDF资料
PDF描述
XRT75L04IV-F IC LIU E3/DS3/STS-1 4CH 176LQFP
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