3V/5V Real-Time Clocks

DETAILED DESCRIPTION The DS1685/DS1687 are real-time clocks (RTC) designed as successors to the industry-standard DS1285, DS1385, DS1485, and DS1585 PC RTCs. These devices provide the industry-standard DS1285 clock function with either +3.0V or +5.0V operation. The DS1685 also incorporates a nu

3V/5V实时时钟

DS1685/DS1687为一款实时时钟(RTC)，设计作为工业标准的DS1285、DS1385、DS1485以及DS1585 PC RTC的替代产品。该器件提供工业标准的DS1285时钟功能，+3.0V或+5.0V工作电压。DS1685还包含许多增强的功能，包括一个硅序列号、上电/掉电控制电路、242字节的用户NV SRAM以及用于支持电源管理的32.768kHz频率输出。\n\n DS1685/DS1687电源控制电路允许通过诸如键盘或时间和日期(激活)报警这样的外部激励来给系统上电。通过任何一个事件，可以触发PWR输出，用于打开某个外部电源。PWR引脚由软件控制，以便当任务完成 包含工业标准的DS1287 PC时钟以及增强的特性:\n• 与Y2K兼容\n• 工作电压+3V或+5V \n• 64位硅序列号\n• 电源控制电路支持系统由日期/时间报警或终端按键来上电 \n• 为电源管理提供32kHz输出\n• 晶振选择位允许RTC使用6pF或12.5pF晶振工作 \n• SMI恢复堆栈\n• 242字节的用户NV RAM \n• 备份电池输入\n• RAM清零输入\n• 世纪寄存器 \n• 日期报警寄存器\n• 兼容于现有的BIOS，以提供早期的DS1287功能\n• 提供芯片(DS1685)或内置电池和晶振的独立模块(DS1687)密封DIP (EDIP)\n• 计时算;

3V/5V Real-Time Clocks

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3V/5V Real-Time Clocks

文件：766.5 Kbytes Page：39 Pages

3V/5V Real-Time Clocks

文件：766.5 Kbytes Page：39 Pages

3V/5V Real-Time Clocks

文件：654.92 Kbytes Page：34 Pages

3V/5V Real-Time Clocks

文件：350.38 Kbytes Page：34 Pages

3V/5V Real-Time Clocks

文件：766.5 Kbytes Page：39 Pages

封装/外壳：24-DIP 模块（0.600"，15.24mm） 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC RTC CLK/CALENDAR PAR 24-EDIP 集成电路（IC） 实时时钟

封装/外壳：24-DIP 模块（0.600"，15.24mm） 包装：管件 描述：IC RTC CLK/CALENDAR PAR 24-EDIP 集成电路（IC） 实时时钟

3V/5V Real-Time Clocks

文件：766.5 Kbytes Page：39 Pages

3V/5V Real-Time Clocks

文件：654.92 Kbytes Page：34 Pages

3V/5V Real-Time Clocks

文件：766.5 Kbytes Page：39 Pages

3V/5V Real-Time Clocks

文件：350.38 Kbytes Page：34 Pages

3V/5V Real-Time Clocks

文件：766.5 Kbytes Page：39 Pages

SEMICONDUCTORS

文件：2.43533 Mbytes Page：31 Pages

3V/5V Real-Time Clocks

文件：654.92 Kbytes Page：34 Pages

3V/5V Real-Time Clocks

文件：766.5 Kbytes Page：39 Pages

3V/5V Real-Time Clocks

文件：350.38 Kbytes Page：34 Pages

3V/5V Real-Time Clocks

文件：766.5 Kbytes Page：39 Pages

3V/5V Real-Time Clocks

文件：654.92 Kbytes Page：34 Pages

3V/5V Real-Time Clocks

文件：350.38 Kbytes Page：34 Pages

3V/5V Real-Time Clocks

文件：766.5 Kbytes Page：39 Pages

3-Phase Brushless Motor Driver???

Features and Functions • 120° voltage linear type. • Soft switching type eliminating noises caused by current switching and making the values of external capacitors smaller (comparable to those of chip capacitors). • On-chip FG amplifier. • On-chip thermal shutdown circuit. • The FG signal ca

3-Phase Brushless Motor Driver???

Overview The LB1687M is a 3-phase brushless motor driver IC ideally suited for use in VCR capstan motor, drum motor drive applications. Features and Functions • 120° voltage linear type. • Soft switching type eliminating noises caused by current switching and making the value of external capac

Linear Integrated Circuit Dual, 2.5W (7.8W BTL) Audio Amp

Description: The NTE1687 is a high performance stereo power amplifier in an 11–Lead SIP type package designed to deliver 1W/Ch into 4Ω or 2W bridged monaural into 8Ω. It is ideal for sensitive AM radio applications, exhibiting lower wideband noise, lower distortion, and less AM radiation than c

GENERAL PURPOSE 5 V FREQUENCY DOWN-CONVERTER IC

DESCRIPTION The µPC1687 is Silicon monolithic IC designed for UHF band receiver applications. This IC consists of double balanced mixer, local oscillator, IF amplifier, and voltage regulator. The package is 8-pin SOP or SSOP suitable for high-density surface mount. FEATURES • UHF band operatio

GENERAL PURPOSE 5 V FREQUENCY DOWN-CONVERTER IC

DESCRIPTION The µPC1687 is Silicon monolithic IC designed for UHF band receiver applications. This IC consists of double balanced mixer, local oscillator, IF amplifier, and voltage regulator. The package is 8-pin SOP or SSOP suitable for high-density surface mount. FEATURES • UHF band operatio