Real-Time Clocks

General Description The DS17285, DS17485, DS17885, DS17287, DS17487, and DS17887 real-time clocks (RTCs) are designed to be successors to the industry-standard DS12885 and DS12887. The DS17285, DS17485, and DS17885 (hereafter referred to as the DS17x85) provide a real-time clock/calendar, one tim

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美信

Real-Time Clocks

文件：333.87 Kbytes 頁數(shù)：31 Pages

MAXIM

美信

3V/5V Real-Time Clock

文件：410.93 Kbytes 頁數(shù)：38 Pages

DALLAS

3V/5V實時時鐘

DS17285, DS17485, DS17885, DS17287, DS17487以及DS17887實時時鐘(RTC)是工業(yè)標(biāo)準(zhǔn)的DS12885和DS12887的后續(xù)產(chǎn)品。DS17285，DS17485和DS17885 (下文以DS17x85代替)提供一個實時時鐘/日歷，一個定時鬧鐘，三個可屏蔽中斷(共用一個中斷輸出)，可編程方波輸出和114字節(jié)的電池備份NV SRAM。DS17x85還集成了許多增強特性，例如硅序列號，電源開/關(guān)控制電路，和2K、4K或8K字節(jié)的電池備份NV SRAM。DS17287，DS17487和DS17887 (下文以DS17x87代替)在24引腳DIP模塊封裝內(nèi)集 ? 集成了工業(yè)標(biāo)準(zhǔn)的DS12887 PC時鐘外加增強特性\n? RTC計算秒、分、時、星期、日期、月份和年，并且具有閏年補償，有效期至2099年\n? 可選的+3.0V或+5.0V工作電壓\n? SMI恢復(fù)堆棧\n? 64位硅序列號\n? 電源控制電路，支持系統(tǒng)通過日期/時間鬧鐘或鍵盤開啟電源\n? 晶體選擇位，允許RTC工作于6pF或12.5pF晶體\n? 12小時或24小時時鐘，具有帶AM和PM指示的12小時模式\n? 114字節(jié)通用、電池備份NV SRAM\n? 擴(kuò)展的電池備份NV SRAM\n? 2048字節(jié)(DS17285/DS17287)\n? 4096字節(jié)(DS17485/DS1;

ADI

亞德諾

Real-Time Clocks

General Description The DS17285, DS17485, DS17885, DS17287, DS17487, and DS17887 real-time clocks (RTCs) are designed to be successors to the industry-standard DS12885 and DS12887. The DS17285, DS17485, and DS17885 (hereafter referred to as the DS17x85) provide a real-time clock/calendar, one tim

文件：319.69 Kbytes 頁數(shù)：30 Pages

MAXIM

美信

Real-Time Clocks

General Description The DS17285, DS17485, DS17885, DS17287, DS17487, and DS17887 real-time clocks (RTCs) are designed to be successors to the industry-standard DS12885 and DS12887. The DS17285, DS17485, and DS17885 (hereafter referred to as the DS17x85) provide a real-time clock/calendar, one tim

文件：319.69 Kbytes 頁數(shù)：30 Pages

MAXIM

美信

Real-Time Clocks

General Description The DS17285, DS17485, DS17885, DS17287, DS17487, and DS17887 real-time clocks (RTCs) are designed to be successors to the industry-standard DS12885 and DS12887. The DS17285, DS17485, and DS17885 (hereafter referred to as the DS17x85) provide a real-time clock/calendar, one tim

文件：319.69 Kbytes 頁數(shù)：30 Pages

MAXIM

美信

Real-Time Clocks

General Description The DS17285, DS17485, DS17885, DS17287, DS17487, and DS17887 real-time clocks (RTCs) are designed to be successors to the industry-standard DS12885 and DS12887. The DS17285, DS17485, and DS17885 (hereafter referred to as the DS17x85) provide a real-time clock/calendar, one tim

文件：319.69 Kbytes 頁數(shù)：30 Pages

MAXIM

美信

Real-Time Clocks

General Description The DS17285, DS17485, DS17885, DS17287, DS17487, and DS17887 real-time clocks (RTCs) are designed to be successors to the industry-standard DS12885 and DS12887. The DS17285, DS17485, and DS17885 (hereafter referred to as the DS17x85) provide a real-time clock/calendar, one tim

文件：319.69 Kbytes 頁數(shù)：30 Pages

MAXIM

美信

Real-Time Clocks

General Description The DS17285, DS17485, DS17885, DS17287, DS17487, and DS17887 real-time clocks (RTCs) are designed to be successors to the industry-standard DS12885 and DS12887. The DS17285, DS17485, and DS17885 (hereafter referred to as the DS17x85) provide a real-time clock/calendar, one tim

文件：319.69 Kbytes 頁數(shù)：30 Pages

MAXIM

美信