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 頁數(shù)：20 Pages

DALLAS

1M非易失、Y2K兼容時(shí)鐘RAM

DS1556是一款全功能、符合-2000年標(biāo)準(zhǔn)(Y2KC)的實(shí)時(shí)時(shí)鐘/日歷(RTC)，具有RTC警報(bào)、看門狗定時(shí)器、上電復(fù)位、電池監(jiān)控器和128k x 8非易失性靜態(tài)RAM。用戶對(duì)DS1556內(nèi)所有寄存器的訪問都通過字節(jié)寬接口實(shí)現(xiàn)，如圖1所示。RTC寄存器包含24小時(shí)BCD格式的世紀(jì)、年、月、日期、星期、時(shí)、分和秒數(shù)據(jù)。月份和閏年會(huì)自動(dòng)校正。\n\n RTC寄存器雙緩沖至內(nèi)部和外部寄存器組。用戶可以直接訪問外部寄存器組?？梢越煤蛦⒂脤?duì)外部寄存器組的時(shí)鐘/日歷更新，以允許用戶訪問靜態(tài)數(shù)據(jù)。假設(shè)內(nèi)部振蕩器開啟，內(nèi)部寄存器組會(huì)持續(xù)更新，無論外部寄存器設(shè)置如何，都會(huì)發(fā)生這種情況，以確保始終 ? 集成NV SRAM、實(shí)時(shí)時(shí)鐘(RTC)、晶體、電源故障控制電路和鋰能源\n? 時(shí)鐘寄存器的訪問方式與靜態(tài)RAM的訪問方式相同；這些寄存器駐留在RAM的前16個(gè)位置\n? 世紀(jì)字節(jié)寄存器（即符合Y2K標(biāo)準(zhǔn)）\n? 具有完全的非易失性，在沒有電源的情況下可運(yùn)行超過10年\n? 精密上電復(fù)位\n? 可編程看門狗定時(shí)器和RTC警報(bào)\n? BCD編碼的年、月、日期、星期、時(shí)、分、秒，自動(dòng)閏年補(bǔ)償有效期至2100年\n? 電池電壓電平指示器標(biāo)志\n? 電源故障寫保護(hù)支持±10% VCC電源容差\n? 鋰能源在首次通電之前會(huì)斷電以保持新鮮度\n? 還提供工業(yè)溫度范圍：?40°C至+85°C;

ADI

亞德諾

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 頁數(shù)：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 頁數(shù)：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 頁數(shù)：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 頁數(shù)：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 頁數(shù)：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 頁數(shù)：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 頁數(shù)：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 頁數(shù)：20 Pages

DALLAS