參數(shù)資料
型號(hào): DS26521L+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 232/258頁(yè)
文件大?。?/td> 0K
描述: IC TXRX T1/E1/J1 64-LQFP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 160
類型: 線路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 1/1
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: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-LQFP(10x10)
包裝: 托盤
產(chǎn)品目錄頁(yè)面: 1430 (CN2011-ZH PDF)
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DS26521 Single T1/E1/J1 Transceiver
75 of 258
8.11.3.5
ANSI T1.231 for T1 and J1 Modes
For short-haul mode, loss is declared if the received signal level is 3dB lower from the programmed value (based
on Table 9-19) for a duration of 192-bit periods. Hence, if the sensitivity is programmed to be 12dB, loss will be
declared at 15dB. LOS is reset if the following criteria are met:
1) 24 or more ones are detected in 192-bit period with a programmed sensitivity level measured at RTIP and
RRING.
2) During the 192 bits, fewer than 100 consecutive zeros are detected.
For long-haul mode, loss is detected if the received signal level is 3dB lower from the programmed value (based on
Table 9-19) for a duration of 192-bit periods. Hence, if the sensitivity is programmed at 30dB, loss declaration level
will be 33dB. LOS is reset if the following criteria are met:
1) 24 or more ones are detected in 192-bit period with a programmed sensitivity level measured at RTIP and
RRING.
2) During the 192 bits, fewer than 100 consecutive zeros are detected.
8.11.3.6
ITU-T G.775 for E1 Modes
For short-haul mode, loss is declared if the received signal level is 3dB lower from the programmed value (based
on Table 9-19) for a duration of 192-bit periods. Hence, if the sensitivity is programmed to be 12dB, loss will be
declared at 15dB. LOS is reset if the receive signal level is greater than or equal to the programmed sensitivity
level for a duration of 192-bit periods.
For long-haul mode, loss is detected if the received signal level is 3dB lower from the programmed value (based on
Table 9-19) for a duration of 192-bit periods. Hence, if the sensitivity is programmed at 30dB, loss declaration level
will be 33dB. LOS is reset if the receive signal level is greater than or equal to the programmed sensitivity level for
a duration of 192-bit periods.
8.11.3.7
ETS 200 233 for E1 Modes
For short-haul mode, loss is declared if the received signal level is 3dB lower from the programmed value (based
on Table 9-19) continuous duration of 2048-bit periods (1ms). LOS is reset if the receive signal level is greater than
or equal to programmed sensitivity level for a duration of 192-bit periods.
For long-haul mode, loss is declared if the received signal level is 3dB lower from the programmed value (based on
Table 9-19) continuous duration of 2048-bit periods (1ms). LOS is reset if the receive signal level is greater than or
equal to the programmed sensitivity level for a duration of 192-bit periods.
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DS26521L+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 1-Port E1/T1/J1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS26521LN 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 1-Port E1/T1/J1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS26521LN+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 1-Port E1/T1/J1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS26521N 制造商:Maxim Integrated Products 功能描述:DS26521 MONOLITHIC T1E1J1 SCT IND - Rail/Tube
DS26522 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual T1/E1/J1 Transceiver