DS12C887+ PDIP24 DALLAS REAL TIME 時鐘電路 時鐘 計時

商品品名：DS12C887+ PDIP24 DALLAS REAL TIME 時鐘電路 時鐘 計時
商品特性：
█ Drop-In Replacement for IBM AT ComputerClock/Calendar
█ RTC Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Through 2099
█ Binary or BCD Time Representation
█ 12-Hour or 24-Hour Clock with AM and PM in 12-Hour Mode
█ Daylight Saving Time Option
█ Selectable Intel or Motorola Bus Timing
█ Interfaced with Software as 128 RAM Locations
█ 14 Bytes of Clock and Control Registers
█ 114 Bytes of General-Purpose, Battery-Backed RAM (113 Bytes in the DS12C887 and DS12C887A)
█ RAM Clear Function (DS12885, DS12887A, and DS12C887A)
█ Interrupt Output with Three Independently Maskable Interrupt Flags
█ Time-of-Day Alarm Once Per Second to Once Per Day
█ Periodic Rates from 122μs to 500ms
█ End-of-Clock Update Cycle Flag
█ Programmable Square-Wave Output
█ Automatic Power-Fail Detect and Switch Circuitry
█ Optional 28-Pin PLCC Surface Mount Package or 32-Pin TQFP (DS12885)
█ Optional Encapsulated DIP (EDIP) Package with Integrated Crystal and Battery (DS12887, DS12887A, DS12C887, DS12C887A)
█ Optional Industrial Temperature Range Available
█ Underwriters Laboratory (UL) Recognized