DS5250评估板

DS5250评估板(EV kit)是经过验证、便于评估DS5250高速安全控制器的平台。该评估板包括微处理器、1MB电池备份SRAM、1MB闪存、稳压器、两路DB-9串口连接器以及用于控制和显示电路板工作状态的开关和LED。该评估板加上电源和连接个人电脑的RS-232电缆，可以构成评估DS5250功能的完整系统。 ·通过引导程序和串口0 (DB-9, J2)可以方便地装载代码\n·两个DB-9 RS-232串行连接器\n·四个串口\n·两个内部串口\n·两个外部UART设备\n·板上稳压器\n·用于智能卡插槽的接口\n·安全访问模块(SAM)插槽\n·支持LCD模块\n·按钮开关用于键盘仿真、数据录入和电路板控制\n·提供电路板原理图以及便捷的参考设计;

SURFACE MOUNT SILICON ZENER DIODES

VOLTAGE 2.4 to 51 Volts POWER 200 mWatts FEATURES • Planar Die construction • 200mW Power Dissipation • Zener Voltages from 2.4V~51V • Ideally Suited for Automated Assembly Processes • In compliance with EU RoHS 2002/95/EC directives

SURFACE MOUNT SILICON ZENER DIODES

FEATURES • Planar Die construction • 500mW Power Dissipation • Ideally Suited for Automated Assembly Processes • In compliance with EU RoHS 2002/95/EC directives

Voltage regulator diodes

DESCRIPTION Low-power voltage regulator diodes in small SOT23 plastic SMD packages. The series consists of 32 types with nominal working voltages from 3.3 to 75 V. FEATURES • Total power dissipation: max. 250 mW • Tolerance series: ±5 • Working voltage range: nom. 3.3 to 75 V • Non-repetiti

Voltage regulator diodes

Low-power voltage regulator diodes in small hermetically sealed glass SOD80C SMD packages. The series consists of 43 types with nominal working voltages from 3.0 to 75 V. FEATURES • Total power dissipation : max. 500 mW • Tolerance series:±5 • Working voltage range : nom. 3.0 to 75 V

Interface for data acquisition and control for multi-standard teletext systems

GENERAL DESCRIPTION The SAA5250 is a CMOS Interface for Data Acquisition and Control (CIDAC) designed for use in conjunction with the Video Input Processor (SAA5230) in a multi-standard teletext decoder. The device retrieves data from a user selected channel (channel demultiplexer), as well as pr