1M, Nonvolatile, Y2K-Compliant Timekeeping RAM

DESCRIPTION The DS1556 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and 128k x 8 nonvolatile static RAM. User access to all registers within the DS1556 is accomplished with a byte-wide interface

文件：514.1 Kbytes 页数：20 Pages

Dallas

1M非易失、Y2K兼容时钟RAM

DS1556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128k x 8非易失性静态RAM。用户对DS1556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，都会发生这种情况，以确保始终 • 集成NV SRAM、实时时钟(RTC)、晶体、电源故障控制电路和锂能源\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• 世纪字节寄存器（即符合Y2K标准）\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• 精密上电复位\n• 可编程看门狗定时器和RTC警报\n• BCD编码的年、月、日期、星期、时、分、秒，自动闰年补偿有效期至2100年\n• 电池电压电平指示器标志\n• 电源故障写保护支持±10% VCC电源容差\n• 锂能源在首次通电之前会断电以保持新鲜度\n• 还提供工业温度范围：−40°C至+85°C;

ADI

亚德诺

1M, Nonvolatile, Y2K-Compliant Timekeeping RAM

DESCRIPTION The DS1556 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and 128k x 8 nonvolatile static RAM. User access to all registers within the DS1556 is accomplished with a byte-wide interface

文件：514.1 Kbytes 页数：20 Pages

Dallas

1M, Nonvolatile, Y2K-Compliant Timekeeping RAM

DESCRIPTION The DS1556 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and 128k x 8 nonvolatile static RAM. User access to all registers within the DS1556 is accomplished with a byte-wide interface

文件：514.1 Kbytes 页数：20 Pages

Dallas

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

文件：114.12 Kbytes 页数：5 Pages

Maxim

美信

1M, Nonvolatile, Y2K-Compliant Timekeeping RAM

DESCRIPTION The DS1556 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and 128k x 8 nonvolatile static RAM. User access to all registers within the DS1556 is accomplished with a byte-wide interface

文件：514.1 Kbytes 页数：20 Pages

Dallas

1M, Nonvolatile, Y2K-Compliant Timekeeping RAM

DESCRIPTION The DS1556 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and 128k x 8 nonvolatile static RAM. User access to all registers within the DS1556 is accomplished with a byte-wide interface

文件：514.1 Kbytes 页数：20 Pages

Dallas

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

文件：114.12 Kbytes 页数：5 Pages

Maxim

美信

1M, Nonvolatile, Y2K-Compliant Timekeeping RAM

DESCRIPTION The DS1556 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and 128k x 8 nonvolatile static RAM. User access to all registers within the DS1556 is accomplished with a byte-wide interface

文件：514.1 Kbytes 页数：20 Pages

Dallas

1M, Nonvolatile, Y2K-Compliant Timekeeping RAM

DESCRIPTION The DS1556 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and 128k x 8 nonvolatile static RAM. User access to all registers within the DS1556 is accomplished with a byte-wide interface

文件：514.1 Kbytes 页数：20 Pages

Dallas