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DS1305

Serial Alarm Real-Time Clock

FEATURES ●Real-TimeClock(RTC)CountsSeconds,Minutes,Hours,DateoftheMonth,Month,DayoftheWeek,andYearwithLeap-YearCompensationValidUpto2100 ●96-Byte,Battery-BackedNVRAMforDataStorage ●TwoTime-Of-DayAlarms,ProgrammableonCombinationofSeconds,Minutes,Hours,a

DS1305

Serial Alarm Real Time Clock RTC

FEATURES ●Realtimeclockcountsseconds,minutes,hours,dateofthemonth,month,dayoftheweekandyearwithleapyearcompensationvalidupto2100 ●96-bytenonvolatileRAMfordatastorage ●Twotime-of-dayalarmsprogrammableoncombinationofseconds,minutes,hoursanddayofthewe

DS1305

Serial Alarm Real-Time Clock

FEATURES Real-TimeClock(RTC)CountsSeconds, Minutes,Hours,DateoftheMonth,Month, DayoftheWeek,andYearwithLeap-Year CompensationValidUpto2100 96-Byte,Battery-BackedNVRAMforData Storage TwoTime-Of-DayAlarms,Programmable onCombinationofSeconds,Minutes,Hours,

DS1305

帶有鬧鐘的串行實(shí)時(shí)時(shí)鐘; ? 實(shí)時(shí)時(shí)鐘(RTC)計(jì)算秒、分、時(shí)、星期、日、月、年信息，具有有效至2100年的閏年補(bǔ)償\n? 為數(shù)據(jù)存儲(chǔ)提供96字節(jié)電池備份的NV RAM\n? 兩個(gè)可編程日歷鬧鐘，可設(shè)定在特定的秒、分、時(shí)和星期\n? 串行接口支持Motorola SPI (串行外設(shè)接口)串行數(shù)據(jù)口或標(biāo)準(zhǔn)3線接口\n? 突發(fā)模式可連續(xù)讀/寫(xiě)時(shí)鐘/RAM\n? 雙電源引腳分別用于主電和備電\n? 可選的涓流充電輸出用于備用電源\n? 2.0V至5.5V供電\n? 工業(yè)級(jí)溫度范圍：-40°C至+85°C\n? 采用節(jié)省空間的20引腳TSSOP封裝;

DS1305串行、帶鬧鐘的實(shí)時(shí)時(shí)鐘是全二進(jìn)制編碼的十進(jìn)制(BCD)日歷鐘，可以通過(guò)簡(jiǎn)單的串行接口訪問(wèn)。該時(shí)鐘/日歷可以提供秒、分、時(shí)、日、月、年信息。對(duì)于少于31天的月份，到每月的最后一天會(huì)自動(dòng)進(jìn)行調(diào)節(jié)，包括閏年的修正。該時(shí)鐘可以通過(guò)AM/PM指示器工作在24小時(shí)模式或12小時(shí)模式。此外，96字節(jié)NV RAM可以用來(lái)存儲(chǔ)數(shù)據(jù)。當(dāng)振蕩器使能時(shí)，只要任意一個(gè)電源有效，DS1305將保持時(shí)間和日期。獨(dú)立的接口邏輯電源引腳(VCCIF)使DS1305可以將SDO與/PF引腳驅(qū)動(dòng)至與接口邏輯兼容的電平。便于在混合供電系統(tǒng)中與3V邏輯接口。\n\n DS1305提供雙電源輸入和一個(gè)電池輸入引腳。利用雙電源輸入和一個(gè)可編程涓流充電電路，可以為作為后備電源的可充電電源(例如超級(jí)電容或充電電池)進(jìn)行充電用作后備電源。通過(guò)VBAT引腳，該器件也可用一個(gè)非充電電池作為備用。DS1305工作范圍是2.0V至5.5V。\n\n DS1305提供了兩個(gè)可編程日歷鬧鐘。鬧鐘可在編程設(shè)定的秒、分、時(shí)和日期發(fā)出中斷。如果希望一個(gè)或多個(gè)字段被鬧鐘所忽略，可以在這些字段內(nèi)插入\"無(wú)關(guān)\"狀態(tài)。日歷鬧鐘可以通過(guò)編程設(shè)定為發(fā)出兩個(gè)不同的中斷輸出，或只觸發(fā)一個(gè)公共的中斷輸出。無(wú)論器件是由VCC1、VCC2或VBAT供電，兩路中斷輸出都可工作。\n\n DS1305支持串行外設(shè)接口SPI?串行數(shù)據(jù)口或標(biāo)準(zhǔn)3線接口。采用直觀的尋址和數(shù)據(jù)格式，數(shù)據(jù)傳送可以每次1字節(jié)或多字節(jié)Burst Mode?進(jìn)行。\n\n

DS1305

Serial Alarm Real-Time Clock

DS1305

Serial Alarm Real-Time Clock

DS1305

Package：16-DIP（0.300"，7.62mm）；包裝：卷帶（TR） 類(lèi)別：集成電路（IC） 實(shí)時(shí)時(shí)鐘 描述：IC RTC CLK/CALENDAR SPI 16-DIP

DS1305E

Serial Alarm Real-Time Clock

FEATURES ●Real-TimeClock(RTC)CountsSeconds,Minutes,Hours,DateoftheMonth,Month,DayoftheWeek,andYearwithLeap-YearCompensationValidUpto2100 ●96-Byte,Battery-BackedNVRAMforDataStorage ●TwoTime-Of-DayAlarms,ProgrammableonCombinationofSeconds,Minutes,Hours,a

DS1305E

Serial Alarm Real Time Clock RTC

FEATURES ●Realtimeclockcountsseconds,minutes,hours,dateofthemonth,month,dayoftheweekandyearwithleapyearcompensationvalidupto2100 ●96-bytenonvolatileRAMfordatastorage ●Twotime-of-dayalarmsprogrammableoncombinationofseconds,minutes,hoursanddayofthewe

DS1305E/TR

Serial Alarm Real-Time Clock

FEATURES ●Real-TimeClock(RTC)CountsSeconds,Minutes,Hours,DateoftheMonth,Month,DayoftheWeek,andYearwithLeap-YearCompensationValidUpto2100 ●96-Byte,Battery-BackedNVRAMforDataStorage ●TwoTime-Of-DayAlarms,ProgrammableonCombinationofSeconds,Minutes,Hours,a