參數(shù)資料
型號： DS26303LN-75+A3
廠商： Maxim Integrated Products
文件頁數(shù)： 6/101頁
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
12 of 101
NAME
PIN
TYPE
FUNCTION
DIGITAL Tx/Rx
TPOS1/TDATA1
37
TPOS2/TDATA2
30
TPOS3/TDATA3
80
TPOS4/TDATA4
73
TPOS5/TDATA5
108
TPOS6/TDATA6
101
TPOS7/TDATA7
8
TPOS8/TDATA8
1
I
Transmit Positive-Data Input for Channel 1 to 8/Transmit Data
Input for Channel 1 to 8
TPOS[1:8]:
When the DS26303 is configured in dual-rail mode, the
data input to TPOSn is output as a positive pulse on the line
(TTIPn and TRINGn) as follows:
TPOSn
TNEGn
Output Pulse
0
Space
0
1
Negative Pulse
1
0
Positive Pulse
1
Space
TDATA[1:8]:
When the device is configured in single-rail mode,
NRZ data is input to TDATAn. The data is HDB3, B8ZS or AMI
encoded before being output to the line.
TNEG1
38
TNEG2
31
TNEG3
79
TNEG4
72
TNEG5
109
TNEG6
102
TNEG7
7
TNEG8
144
I
Transmit Negative Data for Channel 1 to 8.
When the DS26303
is configured in dual-rail mode, the data input to TNEGn is output
as a negative pulse on the line (TTIPn and TRINGn) as follows:
TPOSn
TNEGn
Output Pulse
0
Space
0
1
Negative Pulse
1
0
Positive Pulse
1
Space
TCLK1
36
TCLK2
29
TCLK3
81
TCLK4
74
TCLK5
107
TCLK6
100
TCLK7
9
TCLK8
2
I
Transmit Clock for Channel 1 to 8.
The transmit clock must be
1.544MHz for T1 or 2.048MHz for E1 mode. TCLKn is the clock
used to sample the data on TPOSn/TNEGn or TDATn on the
falling edge. TCLKn can be inverted.
If TCLKn is high for 16 or more MCLKs, then an all-ones signal is
transmitted on the corresponding line (TTIPn and TRINGn). When
TCLKn starts clocking again, normal operation will resume on the
corresponding line.
If TCLKn is low for 64 or more MCLKs, the corresponding
transmitter channel will power down and the line will be put into
high impedance. When TCLKn starts clocking again the
corresponding transmitter will power up, resume normal operation,
and the line will come out of high impedance.
RPOS1/RDATA1
40
RPOS2/RDATA2
33
RPOS3/RDATA3
77
RPOS4/RDATA4
70
RPOS5/RDATA5
111
RPOS6/RDATA6
104
RPOS7/RDATA7
5
RPOS8/RDATA8
142
O,
tri-state
Receive Positive-Data Output for Channel 1 to 8/Receive Data
Output for Channel 1 to 8
RPOS[1:8]:
In dual-rail mode, this output indicates a positive pulse
on RTIPn/RRINGn. If a given receiver is in power-down mode, the
corresponding RPOSn pin is high impedance.
RDATA[1:8]
: In single-rail mode, NRZ data is output to this pin.
Note: During an RLOS condition, the RPOSn/RDATAn output
remainactive.
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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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