256K NV Y2KC Timekeeping RAM

DESCRIPTION The DS1554 is a full function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) with a RTC alarm, watchdog timer, power-on reset, battery monitor, and 32k x 8 non-volatile static RAM. User access to all registers within the DS1554 is accomplished with a bytewide interface as

256k非易失、Y2K兼容时钟RAM

DS1554是一款全功能、符合2000年标准(Y2KC)的实时时钟/日历(RTC)，具有RTC警报、看门狗定时器、上电复位、电池监控器和32k x 8非易失性静态RAM。用户对DS1554内所有寄存器的访问都通过字节宽接口实现，如图1所示。RTC寄存器包含24小时二进制编码十进制(BCD)格式的世纪、年、月、日期、星期、时、分和秒数据。月份和闰年会自动校正。\n\n RTC寄存器双缓冲至内部和外部寄存器组。用户可以直接访问外部寄存器组。可以禁用和启用对外部寄存器组的时钟/日历更新，以允许用户访问静态数据。假设内部振荡器开启，内部寄存器组会持续更新；无论外部寄存器设置如何，都会发生这种 • 集成NV SRAM、实时时钟(RTC)、晶体、电源故障控制电路、锂能源\n\n• 时钟寄存器的访问方式与静态RAM的访问方式相同；这些寄存器驻留在RAM的前16个位置\n\n• 世纪字节寄存器（即符合Y2K标准）\n\n• 具有完全的非易失性，在没有电源的情况下可运行超过10年\n\n• 精密上电复位\n\n• 可编程看门狗定时器和RTC警报\n\n• BCD编码的年、月、日期、星期、时、分和秒，自动 \n\n• 闰年补偿有效期至2100年\n\n• 电池电压电平指示器标志\n\n• 电源故障写保护支持±10% VCC电源容差\n\n• 锂能源在首次通电之前会断电以保持新鲜度\n\;

256K NV Y2KC Timekeeping RAM

DESCRIPTION The DS1554 is a full function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) with a RTC alarm, watchdog timer, power-on reset, battery monitor, and 32k x 8 non-volatile static RAM. User access to all registers within the DS1554 is accomplished with a bytewide interface as

256K NV Y2KC Timekeeping RAM

DESCRIPTION The DS1554 is a full function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) with a RTC alarm, watchdog timer, power-on reset, battery monitor, and 32k x 8 non-volatile static RAM. User access to all registers within the DS1554 is accomplished with a bytewide interface as

PowerCap with Crystal

GENERAL DESCRIPTION The DS9034PCX PowerCap is designed to be a lithium power source for nonvolatile timekeeping RAMs in Dallas Semiconductor’s directly surface-mountable PowerCap Module (PCM) package. After a PowerCap module board has been soldered in place and cleaned, the DS9034PCX PowerCap is

256K NV Y2KC Timekeeping RAM

DESCRIPTION The DS1554 is a full function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) with a RTC alarm, watchdog timer, power-on reset, battery monitor, and 32k x 8 non-volatile static RAM. User access to all registers within the DS1554 is accomplished with a bytewide interface as

256K NV Y2KC Timekeeping RAM

DESCRIPTION The DS1554 is a full function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) with a RTC alarm, watchdog timer, power-on reset, battery monitor, and 32k x 8 non-volatile static RAM. User access to all registers within the DS1554 is accomplished with a bytewide interface as

PowerCap with Crystal

GENERAL DESCRIPTION The DS9034PCX PowerCap is designed to be a lithium power source for nonvolatile timekeeping RAMs in Dallas Semiconductor’s directly surface-mountable PowerCap Module (PCM) package. After a PowerCap module board has been soldered in place and cleaned, the DS9034PCX PowerCap is

256K NV Y2KC Timekeeping RAM

DESCRIPTION The DS1554 is a full function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) with a RTC alarm, watchdog timer, power-on reset, battery monitor, and 32k x 8 non-volatile static RAM. User access to all registers within the DS1554 is accomplished with a bytewide interface as

256K NV Y2KC Timekeeping RAM

DESCRIPTION The DS1554 is a full function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) with a RTC alarm, watchdog timer, power-on reset, battery monitor, and 32k x 8 non-volatile static RAM. User access to all registers within the DS1554 is accomplished with a bytewide interface as

256K NV Y2KC Timekeeping RAM

DESCRIPTION The DS1554 is a full function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) with a RTC alarm, watchdog timer, power-on reset, battery monitor, and 32k x 8 non-volatile static RAM. User access to all registers within the DS1554 is accomplished with a bytewide interface as

256K NV Y2KC Timekeeping RAM

DESCRIPTION The DS1554 is a full function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) with a RTC alarm, watchdog timer, power-on reset, battery monitor, and 32k x 8 non-volatile static RAM. User access to all registers within the DS1554 is accomplished with a bytewide interface as

封装/外壳：32-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 32-EDIP 集成电路（IC） 实时时钟

封装/外壳：32-DIP 模块（0.600"，15.24mm） 包装：管件 描述：IC RTC CLK/CALENDAR PAR 32-EDIP 集成电路（IC） 实时时钟

4 x 11 W single-ended or 2 x 22 W power amplifier

GENERAL DESCRIPTION The TDA1554Q is an integrated class-B output amplifier in a 17-lead single-in-line (SIL) plastic power package. The circuit contains 4 x 11 W single-ended or 2 x 22 W bridge amplifiers. The device is primarily developed for car radio applications. Features • Requires

4 x 11 W single-ended or 2 x 22 W power amplifier

GENERAL DESCRIPTION The TDA1554Q is an integrated class-B output amplifier in a 17-lead single-in-line (SIL) plastic power package. The circuit contains 4 x 11 W single-ended or 2 x 22 W bridge amplifiers. The device is primarily developed for car radio applications. Features • Requires

Silicon NPN epitaxial planer transistor

Silicon NPN epitaxial planar type For high-speed switching ■ Features • Two elements incorporated into one package (Emitter-coupled transistors) • Reduction of the mounting area and assembly cost by one half • Low collector-emitter saturation voltage VCE(sat)

High-Efficiency, 40V Step-Up Converters for 2 to 10 White LEDs

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