参数资料
型号: DS26303L-75+
厂商: Maxim Integrated Products
文件页数: 60/101页
文件大小: 0K
描述: IC LIU E1/T1/J1 3.3V 144-ELQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 15
类型: 线路接口装置(LIU)
驱动器/接收器数: 8/8
规程: T1/E1/J1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 144-LQFP 裸露焊盘
供应商设备封装: 144-LQFP 裸露焊盘
包装: 托盘
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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DS26303L-75+ 功能描述:电信线路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray
DS26303L-75+A3 功能描述:电信线路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray
DS26303L-75A3 功能描述:电信线路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray
DS26303LN-120 功能描述:电信线路管理 IC RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray
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