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DS1337U+ The DS1337U+ from Analog Devices / Maxim Integrated is a low-power serial real-time clock with I2C interface. It manages all timekeeping functions, including seconds, minutes, hours, day, date, month, and year.
Mfr Part #:

DS1337U+

Available from 3 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS1337U+ from Analog Devices / Maxim Integrated is a low-power serial real-time clock with I2C interface. It manages all timekeeping functions, including seconds, minutes, hours, day, date, month, and year.
✓ Total Stock: 9,741 pcs

DS1337U+ Available from 3 distributors

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6,655 pcs
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3,015 pcs
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71 pcs
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71 pcs On Request 1 On Request On Request On Request On Request On Request
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DS1337U+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
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Features
Interface
Lead Spacing
Mounting Type
Operating Temperature
Supplier Device Package
Time Format
Type
Voltage
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DS1337U+ Description

Short technical summary and product information.

The DS1337U+ is a serial real-time clock (RTC) from Analog Devices / Maxim Integrated, designed for low-power operation and featuring an I2C interface for communication with microcontrollers. This clock/calendar manages all timekeeping functions, providing seconds, minutes, hours, day, date, month, and year information, with automatic adjustments for month lengths and leap years up to 2100.

 

Key features include two programmable time-of-day alarms and a programmable square-wave output, defaulting to 32kHz on power-up. The device operates across a wide voltage range of 1.8V to 5.5V, with timekeeping maintained as low as 1.3V. Its operating temperature range is -40°C to +85°C, making it suitable for industrial applications.

 

The DS1337U+ is available in an 8-pin uMAX/uSOP package, designed for surface mounting. This compact package saves space and simplifies integration into various electronic designs. The I2C serial interface ensures easy integration with most microcontrollers, supporting a 2-wire serial communication protocol.

DS1337U+ Quick Information

Product Type: Real-Time Clock
Canonical Name: DS1337U+ I2C Serial Real-Time Clock
Subcategory: Clock/Calendar

DS1337U+ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

DS1337U+ Features

  • Manages all timekeeping functions.
  • Features two time-of-day alarms.
  • Provides programmable square-wave output.
  • Operates from 1.8V to 5.5V.
  • Surface-mount 8-pin uMAX/uSOP package.

DS1337U+ Applications

  • Suitable for handheld devices.
  • Used in consumer electronics.
  • Applicable for office equipment.
  • Designed for telecommunications.
  • Ideal for medical devices.

DS1337U+ FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the DS1337U+?

The operating voltage range for the DS1337U+ is 1.8V to 5.5V.

What type of interface does the DS1337U+ use?

The DS1337U+ uses an I²C, 2-Wire Serial interface.

What is the operating temperature range of the DS1337U+?

The operating temperature range for the DS1337U+ is -40°C to 85°C.

What package is the DS1337U+ supplied in?

The DS1337U+ is supplied in an 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) package.

What are the key features of the DS1337U+?

Key features include alarm, leap year compensation, and a square-wave output.

What is the quiescent current of the DS1337U+?

The quiescent current is 0.6µA at 1.3V ~ 1.8V.

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