參數(shù)資料
型號(hào)： DS26303L-120+A3
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 60/101頁(yè)
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(lèi)型： 線路接口裝置（LIU）
驅(qū)動(dòng)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(lèi)型： 表面貼裝
封裝/外殼： 144-LQFP 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 144-LQFP 裸露焊盤(pán)
包裝： 托盤(pán)
其它名稱(chēng)： 90-26303+1A3
DS26303: 3.3V, T1/E1/J1, Short-Haul, Octal Line Interface Unit
61 of 101
Table 6-6. AIS Criteria T1.231, G.775, and ETS 300 233 Specifications
STANDARD
CRITERIA
ITU-T G.775 FOR E1
ETS 300 233 FOR E1
ANSI T1.231 FOR T1
AIS
Detection
Two or fewer 0s in each of two
consecutive 512-bit streams
received.
Fewer than three 0s detected
in 512-bit period.
Fewer than nine 0s detected
in a 8192-bit period (a ones
density of 99.9% over a period
of 5.3ms) are received.
AIS
Clearance
Three or more 0s in each of two
consecutive 512-bit streams
received.
Three or more 0s in a 512-bit
period received.
Nine or more 0s detected in a
8192-bit period are received.
Table 6-7. AIS Detection and Reset Criteria
STANDARD
CRITERIA
ITU-T G.775 FOR E1
ETS 300 233 FOR E1
ANSI T1.231 FOR T1
AIS
Detection
Two or fewer 0 in each of two
consecutive 512-bit streams
received.
Fewer than three 0s detected
in 512-bit period.
Fewer than nine 0s contained
in 8192 bits.
AIS
Clearance
Three or more 0s in each of two
consecutive 512-bit streams
received.
Three or more 0s in a 512-bit
period received.
Nine or more bits received in a
8192-bit stream.
Table 6-8. Registers Related to AIS Detection
REGISTER
NAME
FUNCTIONALITY
LOS/AIS Criteria Selection
Section criteria for AIS. T1.231, G.775, ETSI 300 233 for
E1.
Alarm Indication Signal Status
Set when AIS is detected.
AIS Interrupt Enable
If reset interrupt due to AIS is not generated.
AIS Interrupt Status
Latched if there is a change in AIS and the interrupt is
enabled.
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參數(shù)描述
DS26303L-75 功能描述:電信線路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類(lèi)型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
DS26303L-75+ 功能描述:電信線路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類(lèi)型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
DS26303L-75+A3 功能描述:電信線路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類(lèi)型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
DS26303L-75A3 功能描述:電信線路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類(lèi)型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
DS26303LN-120 功能描述:電信線路管理 IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類(lèi)型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
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