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DS1742-100 数据表 (PDF) - Dallas Semiconductor

DS1742-100 Datasheet PDF - Dallas Semiconductor
部件名 DS1742-100
下载  DS1742-100 下载

文件大小   163.47 Kbytes
  12 Pages
制造商  DALLAS [Dallas Semiconductor]
网页  https://www.maximintegrated.com/en.html
标志 DALLAS - Dallas Semiconductor
功能描述 Y2KC Nonvolatile Timekeeping RAM

DS1742-100 Datasheet (PDF)

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DS1742-100 Datasheet PDF - Dallas Semiconductor

部件名 DS1742-100
下载  DS1742-100 Click to download

文件大小   163.47 Kbytes
  12 Pages
制造商  DALLAS [Dallas Semiconductor]
网页  https://www.maximintegrated.com/en.html
标志 DALLAS - Dallas Semiconductor
功能描述 Y2KC Nonvolatile Timekeeping RAM

DS1742-100 数据表 (HTML) - Dallas Semiconductor

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DS1742-100 产品详情

DESCRIPTION
The DS1742 is a full function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) and 2k x 8 non-volatile static RAM. User access to all registers within the DS1742 is accomplished with a bytewide interface as shown in Figure 1. The Real Time Clock (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 day of the month and leap year are made automatically.

FEATURES
■ Integrated NV SRAM, real time clock, crystal, power-fail control circuit and lithium energy source
■ Clock registers are accessed identical to the static RAM. These registers are resident in the eight top RAM locations
■ Century byte register
■ 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
■ Standard JEDEC bytewide 2k x 8 static RAM pinout
■ Quartz accuracy ±1 minute a month @ 25°C, factory calibrated




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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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