DS1553
64kB非易失、Y2K兼容时钟RAM
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产品详情
- Integrated NV SRAM, RTC, Crystal, Power-Fail Control Circuit, and Lithium Energy Source
- Clock Registers are Accessed Identically to the Static RAM; These Registers are Resident in the 16 Top RAM Locations
- Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power
- Precision Power-On Reset
- Programmable Watchdog Timer and RTC Alarm
- BCD-Coded Year, Month, Date, Day, Hours, Minutes, and Seconds with Automatic Leap Year Compensation Valid Up to the Year 2100
- Battery Voltage Level Indicator Flag
- Power-Fail Write Protection Allows for ±10% VCC Power-Supply Tolerance
- Lithium Energy Source is Electrically Disconnected to Retain Freshness Until Power is Applied for the First Time
参考资料
数据手册 2
可靠性数据 1
应用笔记 1
设计笔记 3
技术文章 2
这是最新版本的数据手册
硬件生态系统
| 部分模型 | 产品周期 | 描述 |
|---|---|---|
| 非易失性计时RAM 1 | ||
| DS9034PCX | PowerCap，带有晶振 | |
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