DS1315

隐含时钟芯片


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说明

The DS1315 Phantom Time Chip is a combination of a CMOS timekeeper and a nonvolatile memory controller. In the absence of power, an external battery maintains the timekeeping operation and provides power for a CMOS static RAM. The watch keeps track of hundredths of seconds, seconds, minutes, hours, day, date, month, and year information. The last day of the month is automatically adjusted for months with less than 31 days, including leap year correction. The watch operates in one of two formats: a 12-hour mode with an AM/PM indicator or a 24-hour mode. The nonvolatile controller supplies all the necessary support circuitry to convert a CMOS RAM to a nonvolatile memory. The DS1315 can be interfaced with either RAM or ROM without leaving gaps in memory.
DS1315:原理框图 DS1315:原理框图 放大+

关键特性

  • Real-Time Clock Keeps Track of Hundredths of Seconds, Seconds, Minutes, Hours, Days, Date of the Month, Months, and Years
  • Automatic Leap Year Correction Valid Up to 2100
  • No Address Space Required to Communicate with RTC
  • Provides Nonvolatile Controller Functions for Battery Backup of SRAM
  • Supports Redundant Battery Attachment for High-Reliability Applications
  • Full ±10% VCC Operating Range
  • +3.3V or +5V Operation
  • Industrial (–40°C to +85°C) Operating Temperature Ranges Available
Part NumberCE Cntrl.Smart Socket w/Int. Batt.Li Batt. MonitorPwr. Fail OutRAMs ControlledVSUPPLY
(V)
Package/PinsOper. Temp.
(°C)
Budgetary
Price
See Notes
DS1315 YesNoNoNo1
3.3
5
PDIP/16
SOIC (W)/16
TSSOP/20
-40 to +85
0 to +70
$8.36 @1k
查看所有Non-Volatile RAM Controllers (6)

Part NumberInterfaceTime Keeping Current
(nA)
CL
(pF)
Memory TypeTime of Day AlarmsFunctionsPackage/Pins
typ
DS1315 Phantom Clock4006None0
NV SRAM Control
RTC
See Data Sheet
查看所有Timekeeping & Real-Time Clocks (76)
Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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