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DS1337U/TR The DS1337U/TR is an I2C serial real-time clock from Analog Devices / Maxim Integrated. It features alarm functions, leap year compensation, and a programmable square-wave output.
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DS1337U/TR

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS1337U/TR is an I2C serial real-time clock from Analog Devices / Maxim Integrated. It features alarm functions, leap year compensation, and a programmable square-wave output.
✓ Total Stock: 85,662 pcs

DS1337U/TR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
82,182 pcs
On Request
82182 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
3,480 pcs
On Request
3480 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

DS1337U/TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Date Format
Features
Interface
Mounting Type
Operating Temperature
Supplier Device Package
Tape & Reel
Time Format
Type
Voltage
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DS1337U/TR Description

Short technical summary and product information.

The DS1337U/TR by Analog Devices / Maxim Integrated is a low-power serial real-time clock (RTC) that manages all timekeeping functions. It provides seconds, minutes, hours, day, date, month, and year information, with automatic adjustments for month lengths and leap years up to 2100. This device features two programmable time-of-day alarms and a programmable square-wave output, defaulting to 32kHz on power-up.

 

Designed for broad microcontroller compatibility, the DS1337U/TR utilizes an I2C serial interface for data transfer. It operates within a voltage range of 1.8V to 5.5V, with timekeeping maintained as low as 1.3V. The operating temperature range is -40°C to +85°C.

 

This RTC is available in a surface-mount package, specifically the 8-µMAX, which corresponds to an 8-TSSOP or 8-MSOP case. Its compact size and integrated features make it suitable for various applications requiring accurate timekeeping.

 

Key specifications include a time format of HH:MM:SS (12/24 hr) and a date format of YY-MM-DD. The device consumes minimal current, drawing only 0.6µA at 1.3V to 1.8V, making it ideal for power-sensitive designs.

DS1337U/TR Quick Information

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

DS1337U/TR Compliance

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

DS1337U/TR Features

  • Manages timekeeping functions including leap year.
  • Features two programmable time-of-day alarms.
  • Provides a programmable square-wave output.
  • Interfaces via I2C serial communication.
  • Operates from 1.8V to 5.5V supply voltage.

DS1337U/TR Applications

  • Suitable for handheld devices like GPS.
  • Used in consumer electronics like set-top boxes.
  • Applicable in office equipment such as printers.
  • Can be used in medical devices like glucometers.
  • Designed for telecommunications equipment.

DS1337U/TR FAQs

5 frequently asked questions generated from this part’s specifications.
What are the key features of the DS1337U/TR real-time clock?

The DS1337U/TR features complete timekeeping functions including seconds, minutes, hours, day, date, month, and year with leap-year compensation valid up to 2100. It also includes two time-of-day alarms and a programmable square-wave output.

What is the operating voltage range for the DS1337U/TR?

The DS1337U/TR operates from a voltage range of 1.8V to 5.5V.

What is the operating temperature range of the DS1337U/TR?

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

What package type is the DS1337U/TR available in?

The DS1337U/TR is available in a surface-mount package, specifically the 8-µMAX, which corresponds to an 8-TSSOP or 8-MSOP case.

What interface does the DS1337U/TR use?

The DS1337U/TR uses an I2C serial interface.

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