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DS3234SN#T&R

实时时钟电路, 日期时间格式(日/日期/月/年 时:分:秒), SPI, 2 V至5.5 V电源, SOIC-20

MAXIM INTEGRATED PRODUCTS DS3234SN#T&R
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制造商产品编号:
DS3234SN#T&R
库存编号
2798763
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产品概述

The DS3234SN#T&R from Maxim Integrated Products is an extremely accurate SPI bus RTC with integrated crystal and SRAM in 20 pin SOIC package. It is a low-cost, extremely accurate SPI bus RTC with an integrated TCXO and crystal. It incorporates a precision, temperature compensated voltage reference and comparator circuit to monitor VCC. The integration of crystal resonator enhances long-term accuracy of device. The DS3234 also integrates 256 bytes of battery-backed SRAM. The RTC maintains seconds, minutes, hours, day, date, month and year information. The date at end of month is automatically adjusted for months with fewer than 31 days including corrections for leap year. The clock operates in 24/12-hour format with AM/PM indicator. 2 programmable time-of-day alarms and a programmable square-wave output are provided. Address and data are transferred serially by an SPI bidirectional bus. It is used in servers, telematics, utility power meters and GPS.
  • Supply voltage range from 2V to 5.5V (VCC), 2V to 3.8V (VBAT)
  • Operating temperature range from -40°C to +85°C
  • Highly accurate RTC with integrated crystal and SRAM manages all timekeeping functions
  • Accuracy of ±3.5ppm
  • Digital temperature sensor output is ±3°C accuracy
  • Register for aging trim, RST (active low) input/output
  • Simple serial interface connects to most microcontrollers
  • 4MHz SPI Bus supports modes 1 and 3
  • Battery-backup input for continuous timekeeping, low power operation extends battery backup time
  • Underwriters Laboratories® (UL) recognized

应用

时钟与计时

警告

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

产品信息

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:
星期;日;月;年

:
时:分:秒

:
实时时钟RTC

:
2V

:
5.5V

:
SOIC

:
20引脚

:
SPI

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 -无限制
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技术文档 (1)

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CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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包装类型 切割卷带

可延期交货

送货开始日期 22-5-10

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CNY66.60 ( CNY75.26  含增值税)

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