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DS1385中文资料
DS1385数据手册规格书PDF详情
DESCRIPTION
The DS1385/DS1387 RAMified Real Time Clocks (RTCs) are upward–compatible successors to the in
dustry standard DS1285/DS1287 RTC’s for PC applications. In addition to the basic DS1285/DS1287 RTC
functions, 4K bytes of on–chip nonvolatile RAM have been added.
FEATURES
•Upgraded IBM AT computer clock/calendar with 4K x 8 extended RAM
•Totally nonvolatile with over 10 years of operation in the absence of power
•Counts seconds, minutes, hours, day of the week, date, month and year with leap year compensation
•Binary or BCD representations of time, calendar and alarm
•12– or 24–hour clock with AM and PM in 12–hour mode
•Daylight Savings Time option
•Multiplex bus for pin efficiency
•Interfaced with software as 64 user RAM locations plus 4K x 8 of static RAM
– 14–bytes of clock and control registers
– 50–bytes of general purpose RAM
– 4K x 8 SRAM accessible by using separate control pins
•Programmable square wave output signal
•Bus–compatible interrupt signals (IRQ)
•Three interrupts are separately software–maskable and testable:
– Time–of–day alarm once/second to once/day
– Periodic rates from 122 µs to 500 ms
– End–of–clock update cycle
•Available as chip (DS1385 or DS1385S) or stand alone module with embedded lithium battery and crystal (DS1387)
DS1385产品属性
- 类型
描述
- 型号
DS1385
- 制造商
DALLAS
- 制造商全称
Dallas Semiconductor
- 功能描述
RAMified Real Time Clock 4K x 8
| 供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
DALLAS |
9908+ |
SMD |
2600 |
全新原装绝对自己公司现货 |
|||
DALLAS SEMICONDUCTOR |
2025+ |
SOP-28 |
2500 |
原装进口价格优 请找坤融电子! |
|||
DALLAS |
20+ |
DIP-24 |
35830 |
原装优势主营型号-可开原型号增税票 |
|||
DALLAS |
15+ |
SOP28 |
11560 |
全新原装,现货库存,长期供应 |
|||
DALLAS |
24+ |
SOP-28 |
5645 |
公司原厂原装现货假一罚十!特价出售!强势库存! |
|||
DALLAS |
24+ |
SOP |
100 |
||||
DALLAS |
24+ |
NA/ |
35 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
|||
DALLAS |
23+ |
SOP |
7300 |
专注配单,只做原装进口现货 |
|||
DALLAS |
25+ |
SOP28 |
35 |
原装正品,假一罚十! |
|||
DALLAS |
24+ |
SOP28 |
17300 |
一级分销商,原装正品 |
DS1385 资料下载更多...
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DALLAS相关芯片制造商
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