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DS1308U-33+T The DS1308U-33+T is a low-power serial real-time clock (RTC) from Analog Devices. It features an I2C interface and 56 bytes of NV RAM.
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DS1308U-33+T

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS1308U-33+T is a low-power serial real-time clock (RTC) from Analog Devices. It features an I2C interface and 56 bytes of NV RAM.
✓ Total Stock: 7,232 pcs

DS1308U-33+T Available from 1 distributor

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Romaks Technologies ✓
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7,232 pcs
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DS1308U-33+T Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
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Features
Interface
Memory Size
Mounting Type
Operating Temperature
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DS1308U-33+T Description

Short technical summary and product information.

The DS1308U-33+T is a serial real-time clock (RTC) integrated circuit manufactured by Analog Devices. This low-power device functions as a clock/calendar with 56 bytes of non-volatile RAM (NV RAM). Data transfer occurs serially via an I2C interface.

 

The clock/calendar capabilities include tracking seconds, minutes, hours, day, date, month, and year, with automatic adjustments for month lengths and leap years. It supports both 24-hour and 12-hour formats with an AM/PM indicator. A built-in power-sense circuit automatically switches to a backup supply during power failures, ensuring continuous timekeeping.

 

Key features include a wide operating voltage range of 1.3V to 5.5V and an industrial operating temperature range of -40°C to +85°C. The device consumes low timekeeping current, extending battery backup run time. It offers a programmable square-wave output signal and interfaces easily with most microcontrollers.

 

Packaged in an 8-uMAX/uSOP or 8-TSSOP/MSOP, the DS1308U-33+T is suitable for surface mounting. Its applications span consumer electronics, office equipment, telecommunications, and medical devices.

DS1308U-33+T Quick Information

Product Type: Real-Time Clock IC
Canonical Name: DS1308U-33+T Real-Time Clock IC
Subcategory: Clock/Calendar

DS1308U-33+T Compliance

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

DS1308U-33+T Features

  • Low-power serial real-time clock with NV RAM.
  • I2C interface for easy microcontroller integration.
  • Tracks seconds, minutes, hours, date, month, year.
  • Automatic leap year and month length compensation.
  • Operates from -40°C to +85°C industrial temperature.

DS1308U-33+T Applications

  • Suitable for handheld GPS devices.
  • Used in consumer electronics like set-top boxes.
  • Applicable for office equipment like printers.
  • Designed for medical devices like glucometers.
  • Supports telecommunication equipment like routers.

DS1308U-33+T FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the DS1308U-33+T?

The operating voltage range is 1.3V to 5.5V.

What is the operating temperature range for the DS1308U-33+T?

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

What is the package type for the DS1308U-33+T?

The package is 8-TSSOP, 8-MSOP (0.118", 3.00mm Width).

Does the DS1308U-33+T support RoHS compliance?

Yes, the DS1308U-33+T is RoHS3 Compliant.

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