Figure-32 1:1 HPS Scheme, Differential Interface (Indiv" />
參數(shù)資料
型號(hào): IDT82P20516DBFG
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 64/115頁
文件大?。?/td> 0K
描述: IC LIU T1/E1/J1 16CH SH 484BGA
標(biāo)準(zhǔn)包裝: 84
功能: 線路接口單元(LIU)
接口: E1,J1,T1
電路數(shù): 16
電源電壓: 1.8V, 3.3V
功率(瓦特): 2.89W
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 484-LFBGA
供應(yīng)商設(shè)備封裝: 484-CABGA(19x19)
包裝: 托盤
包括: AIS 警報(bào)檢測器和發(fā)生器,回送功能,PRBS 發(fā)生器 / 檢測器,遠(yuǎn)程檢測器和發(fā)生器
IDT82P20516
16-CHANNEL SHORT HAUL E1 LINE INTERFACE UNIT
Miscellaneous
52
December 17, 2009
Figure-32 1:1 HPS Scheme, Differential Interface (Individual Transformer)
Tx
primary card
backup card
Tx
Rx
OE
RIM
OE
RIM
Hot switch control
1:2
1:1
VDDTn
VDDTn
VDDRn
VDDRn
VDDTn
VDDTn
VDDRn
VDDRn
Rx:
Fully Internal Impedance Matching mode. In this mode, there is no external resistor required. The R_TERM[2:0] bits (b2~0, RCF0,...)
setting is as follows: ‘010’ for E1 120
twisted pair cable and ‘011’ for E1 75 coaxial cable.
Tx:
Internal Impedance Matching mode. The T_TERM[2:0] bits (b2~0, TCF0,...) setting is as follows: ‘010’ for E1 120
twisted pair cable
and ‘011’ for E1 75
coaxial cable.
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