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DS1387 数据表 (PDF) - Dallas Semiconductor

DS1387 Datasheet PDF - Dallas Semiconductor
部件名 DS1387
下载  DS1387 下载

文件大小   142.14 Kbytes
  20 Pages
制造商  DALLAS [Dallas Semiconductor]
网页  https://www.maximintegrated.com/en.html
标志 DALLAS - Dallas Semiconductor
功能描述 RAMified Real Time Clock 4K x 8

DS1387 Datasheet (PDF)

Go To PDF Page 下载 数据表
DS1387 Datasheet PDF - Dallas Semiconductor

部件名 DS1387
下载  DS1387 Click to download

文件大小   142.14 Kbytes
  20 Pages
制造商  DALLAS [Dallas Semiconductor]
网页  https://www.maximintegrated.com/en.html
标志 DALLAS - Dallas Semiconductor
功能描述 RAMified Real Time Clock 4K x 8

DS1387 数据表 (HTML) - Dallas Semiconductor

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DS1387 产品详情

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)



 




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关于 Dallas Semiconductor


达拉斯半导体是一家美国公司,成立于1984年,是混合信号和数字半导体的供应商。
该公司总部位于德克萨斯州达拉斯,并以其创新产品和技术在实时时钟,温度传感器和其他集成电路领域而闻名。
2002年,达拉斯半导体被跨国半导体公司Maxim Integrated收购,并成为Maxim的子公司。
达拉斯半导体品牌不再使用,但其产品和技术仍然是Maxim投资组合的一部分。

*此信息仅供一般参考,对于因上述信息造成的任何损失或损害,我们概不负责。




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