T1 Line Monitor

DESCRIPTION The DS2182A T1 line monitor chip is a monolithic CMOS device designed to monitor real-time performance on T1 lines. The DS2182A frames to the data on the line, counts errors, and supplies detailed information about the status and condition of the line. Large on-board counters allow th

文件：270.75 Kbytes 页数：25 Pages

DALLAS

T1线路监测器芯片

DS2182A T1线路监视器是一款专为监视T1线路实时性能而设计的全集成CMOS器件。DS2182A与线上数据保持帧同步，计算误码数，并提供关于线路状态与状况的详细信息。片上大容量计数器可以在很长的时间内累计误码数，允许单个CPU监视大量T1线路。输出时钟同步于输入数据流，可用于方便地检出S位、FDL位、信令位以及通道数据。DS2182A符合ANSI T1.231的规定。 \n• 完成成帧与监测功能 \n• 支持超帧与扩展超帧格式 \n• 四个片上误码计数器： \n• 16位双极性违规 \n• 8位CRC \n• 8位OOF \n• 8位帧位错误 \n• 指示以下信息： \n• 黄色与蓝色告警 \n• B8ZS编码字输入 \n• 8和16个零串 \n• 帧位改变 \n• 同步丢失 \n• 载波丢失 \n• 提供简单的串行接口，用来配置、控制，以及状态监测 \n• 突发模式快速访问计数器以更新状态 \n• 计数器自动复位功能 \n• 5V单电源供电，低功耗CMOS技术 \n• 采用28引脚DIP和28引脚PLCC封装 \n• DS2182A向上兼容于最初的DS21;

ADI

亚德诺

High-Efficiency Synchronous Buck Controller Final Information

General Description Micrel’s MIC2182 is a synchronous buck (step-down) switch ing regulator controller. An all N-channel synchronous archi tecture and powerful output drivers allow up to a 20A output current capabilty. The PWM and skip-mode control scheme allows efficiency to exceed 95 over a w

文件：223.27 Kbytes 页数：28 Pages

MICREL

麦瑞半导体

High-Efficiency Synchronous Buck Controller Final Information

General Description Micrel’s MIC2182 is a synchronous buck (step-down) switch ing regulator controller. An all N-channel synchronous archi tecture and powerful output drivers allow up to a 20A output current capabilty. The PWM and skip-mode control scheme allows efficiency to exceed 95 over a w

文件：223.27 Kbytes 页数：28 Pages

MICREL

麦瑞半导体

High-Efficiency Synchronous Buck Controller Final Information

General Description Micrel’s MIC2182 is a synchronous buck (step-down) switch ing regulator controller. An all N-channel synchronous archi tecture and powerful output drivers allow up to a 20A output current capabilty. The PWM and skip-mode control scheme allows efficiency to exceed 95 over a w

文件：223.27 Kbytes 页数：28 Pages

MICREL

麦瑞半导体