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DS3234SN#

RTC IC, Date Time Format (Date/Month/Year hh:mm:ss), SPI, 2 V to 5.5 V, SOIC-20

MAXIM INTEGRATED PRODUCTS DS3234SN#

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
DS3234SN#
Order Code:
2519296
Technical Datasheet:
DS3234SN#   Datasheet
See all Technical Docs

Product Overview

The DS3234SN# is an extremely accurate SPI bus C Real-time Clock with an integrated temperature-compensated crystal oscillator (TCXO), integrated crystal and SRAM. The DS3234 incorporates a precision, temperature-compensated voltage reference and comparator circuit to monitor VCC. When VCC drops below the power-fail voltage (VPF), the device asserts the RST output and also disables read and write access to the part when VCC drops below both VPF and VBAT. The RST pin is monitored as a pushbutton input for generating a µP reset. The device switches to the backup supply input and maintains accurate timekeeping when main power to the device is interrupted. The integration of the crystal resonator enhances the long-term accuracy of the device as well as reduces the piece-part count in a manufacturing line.
  • Completely manages all timekeeping functions
  • ±3°C Accuracy digital temp sensor output
  • Register for aging trim
  • Programmable square-wave output
  • Simple serial interface connects to most microcontrollers
  • Battery-backup input for continuous timekeeping
  • Underwriters Laboratories® (UL) recognized

Applications

Communications & Networking, Metering, Sensing & Instrumentation

Warnings

Negative undershoots below -0.3V while the part is in battery-backed mode may cause loss of data.

Product Information

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:
YY-MM-DD

:
HH:MM:SS

:
RTC

:
2V

:
5.5V

:
SOIC

:
20Pins

:
SPI

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (1)

240 In stock Need more?

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HK$90.86

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