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DS1747WP-120IND 数据表 (PDF) - Dallas Semiconductor

DS1747WP-120IND Datasheet PDF - Dallas Semiconductor
部件名 DS1747WP-120IND
下载  DS1747WP-120IND 下载

文件大小   340.34 Kbytes
  18 Pages
制造商  DALLAS [Dallas Semiconductor]
网页  https://www.maximintegrated.com/en.html
标志 DALLAS - Dallas Semiconductor
功能描述 Y2K-Compliant, Nonvolatile Timekeeping RAMs

DS1747WP-120IND Datasheet (PDF)

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DS1747WP-120IND Datasheet PDF - Dallas Semiconductor

部件名 DS1747WP-120IND
下载  DS1747WP-120IND Click to download

文件大小   340.34 Kbytes
  18 Pages
制造商  DALLAS [Dallas Semiconductor]
网页  https://www.maximintegrated.com/en.html
标志 DALLAS - Dallas Semiconductor
功能描述 Y2K-Compliant, Nonvolatile Timekeeping RAMs

DS1747WP-120IND 数据表 (HTML) - Dallas Semiconductor

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DS1747WP-120IND 产品详情

DESCRIPTION
The DS1747 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) and 512k x 8 nonvolatile static RAM. User access to all registers within the DS1747 is accomplished with a byte-wide interface as shown in Figure 1. The RTC information and control bits reside in the eight uppermost RAM locations. The RTC registers contain century, year, month, date, day, hours, minutes, and seconds data in 24-hour BCD format. Corrections for the date of each month and leap year are made automatically. The RTC clock registers are double buffered to avoid access of incorrect data that can occur during clock update cycles

FEATURES
■ Integrated NV SRAM, Real-Time Clock (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 Eight Top RAM Locations.
■ Century Byte Register (Y2K Compliant)
■ Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power
■ BCD-Coded Century, 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
■ DIP Module Only: Standard JEDEC Byte-Wide 512k x 8 Static RAM Pinout
■ PowerCap® Module Board Only:
    Surface-Mountable Package for Direct Connection to PowerCap Containing Battery and Crystal
    Replaceable Battery (PowerCap)
    Power-On Reset Output
    Pin-for-Pin Compatible with Other Densities of DS174xP Timekeeping RAM
■ Also Available in Industrial Temperature Range: -40°C to +85°C




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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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