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DS1392U-33+

Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss:hh), SPI, 2.97 V to 5.5 V, µSOP-10

MAXIM INTEGRATED PRODUCTS DS1392U-33+
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Manufacturer Part No:
DS1392U-33+
Order Code:
2515397
Technical Datasheet:
DS1392U-33+   Datasheet
See all Technical Docs

Product Overview

The DS1392U-33+ is a low voltage 3-wire real time clock (RTC) with trickle charger in 10 pin µSOP package. It has typical operating voltage of 3.3V. This clock/calendar provides hundredths of seconds, seconds, minutes, hours, day, date, month and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days including leap year compensation valid up to 2100. The clock operates in either 24hour or 12hour format with an AM/PM indicator. One programmable time of day alarm is provided. A temperature compensated voltage reference monitors the status of VCC and automatically disables bus interface and switches to backup supply if a power failure is detected. The DS1392 communicates over a 3-wire serial bus and the extra pin is used for either separate interrupt pin or complementary RST output/debounced input. It is used in GPS/telematics devices, embedded time stamping applications.
  • Supply voltage range from 2.97V to 5.5V
  • Operating temperature range from -40°C to 85°C
  • Power fail detect and switch circuitry
  • Separate SQW and INT output
  • SCLK frequency of 4MHz ( 2.7V <= VCC <= 5.5V)
  • UL recognized
  • VCC active supply current of 2mA and VCC standby current of 115µA
  • Time keeping current of 500nA

Applications

Clock & Timing, Medical, Portable Devices

Warnings

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

Product Information

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Day; Date; Month; Year

:
HH:MM:SS:hh

:
Alarm RTC

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2.97V

:
5.5V

:
µSOP

:
10Pins

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SPI

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-40°C

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85°C

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-

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-

:
MSL 1 - Unlimited
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Technical Docs (1)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
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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