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DS1339AU+ The DS1339AU+ from Analog Devices / Maxim Integrated is a low-current, I2C serial real-time clock. It offers features like alarms, leap year compensation, and trickle-charge capability.
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DS1339AU+

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Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS1339AU+ from Analog Devices / Maxim Integrated is a low-current, I2C serial real-time clock. It offers features like alarms, leap year compensation, and trickle-charge capability.
✓ Total Stock: 10,635 pcs

DS1339AU+ Available from 1 distributor

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10,635 pcs
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DS1339AU+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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DS1339AU+ Description

Short technical summary and product information.

The DS1339AU+ is a low-current, I2C serial real-time clock (RTC) from Analog Devices / Maxim Integrated. This device counts seconds, minutes, hours, day, date, month, and year, with automatic adjustments for month lengths and leap years up to 2200. It operates in either 24-hour or 12-hour format with an AM/PM indicator.

 

Key features include two programmable time-of-day alarms and a programmable square-wave output. The DS1339AU+ supports crystals with up to 60kΩ ESR and maintains time during power outages with a backup supply pin. It has automatic power-fail detection and switch circuitry, along with trickle-charge capability. The device supports a wide voltage range from 1.8V to 5V and operates down to 1.15V for the oscillator.

 

Designed for various applications, including handheld devices, consumer electronics, office equipment, medical devices, and telecommunications. The DS1339AU+ interfaces with microcontrollers via an I2C serial interface. It is supplied in an 8-uMAX/uSOP package suitable for surface mounting.

DS1339AU+ Quick Information

Product Type: Real Time Clock
Canonical Name: DS1339A Low-Current, I2C, Serial Real-Time Clock
Subcategory: Clock/Calendar

DS1339AU+ Compliance

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

DS1339AU+ Features

  • Low-current I2C serial real-time clock.
  • Counts seconds, minutes, hours, day, date, month, year.
  • Two programmable time-of-day alarms.
  • Automatic power-fail detect and switch circuitry.
  • Supports VCC from 1.8V to 5V.

DS1339AU+ Applications

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

DS1339AU+ FAQs

5 frequently asked questions generated from this part’s specifications.
What are the key features of the DS1339AU+?

The DS1339AU+ features two programmable time-of-day alarms, a programmable square-wave output, leap-year compensation up to 2200, and automatic power-fail detect circuitry.

What is the operating voltage range for the DS1339AU+?

The operating voltage range for the DS1339AU+ is 1.3V to 3.7V.

What is the operating temperature range of the DS1339AU+?

The DS1339AU+ operates within a temperature range of -40°C to 85°C.

What interface does the DS1339AU+ use?

The DS1339AU+ uses an I2C, 2-Wire Serial interface.

What package is the DS1339AU+ supplied in?

The DS1339AU+ is supplied in an 8-uMAX/uSOP package, specifically 8-TSSOP, 8-MSOP (0.118", 3.00mm Width).

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