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DS1339C-33#T&R The DS1339C-33#T&R is a serial real-time clock (RTC) from Analog Devices / Maxim Integrated. It features an I2C interface and operates from 1.3V to 3.7V.
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DS1339C-33#T&R

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS1339C-33#T&R is a serial real-time clock (RTC) from Analog Devices / Maxim Integrated. It features an I2C interface and operates from 1.3V to 3.7V.
✓ Total Stock: 1,430 pcs

DS1339C-33#T&R Available from 2 distributors

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Xingangxin ✓
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1,424 pcs
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1424 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
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6 pcs
On Request
6 pcs On Request 1 On Request On Request On Request On Request On Request
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DS1339C-33#T&R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
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Features
Interface
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Operating Temperature
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DS1339C-33#T&R Description

Short technical summary and product information.

The DS1339C-33#T&R is a low-power serial real-time clock (RTC) from Analog Devices / Maxim Integrated. This device manages all timekeeping functions, including seconds, minutes, hours, date, month, day of the week, and year, with leap-year compensation valid up to 2100. It offers two programmable time-of-day alarms and a programmable square-wave output.

 

Designed for low-power operation, the DS1339C-33#T&R includes automatic power-fail detect and switch circuitry, extending battery backup run time. It also features trickle-charge capability. The clock operates in either 24-hour or 12-hour format with an AM/PM indicator. Address and data are transferred serially through an I2C bus.

 

This RTC is available in a 16-SOIC surface-mount package with an integrated crystal, saving space and simplifying design. It operates within a temperature range of -40°C to 85°C and supports a voltage range of 1.3V to 3.7V. Applications include handheld devices, consumer electronics, office equipment, medical devices, and telecommunications.

 

Key features include its I2C serial interface, alarm functions, leap year compensation, and trickle-charge capability. The device also has an oscillator stop flag and power-fail detection.

DS1339C-33#T&R Quick Information

Product Type: Real Time Clock
Canonical Name: DS1339C-33#T&R Serial Real-Time Clock (RTC)

DS1339C-33#T&R Compliance

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

DS1339C-33#T&R Features

  • Manages all timekeeping functions accurately.
  • Includes two programmable time-of-day alarms.
  • Features programmable square-wave output.
  • Automatic power-fail detect and switch.
  • Low-power operation extends battery backup.

DS1339C-33#T&R Applications

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

DS1339C-33#T&R FAQs

7 frequently asked questions generated from this part’s specifications.
What type of interface does the DS1339C-33#T&R use?

The DS1339C-33#T&R uses an I2C, 2-Wire Serial interface.

What is the operating voltage range for the DS1339C-33#T&R?

The operating voltage range for the DS1339C-33#T&R is 1.3V to 3.7V.

What is the operating temperature range of the DS1339C-33#T&R?

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

What are the key features of the DS1339C-33#T&R?

Key features include alarm functions, leap year compensation, programmable square-wave output, trickle-charger capability, and automatic power-fail detection.

What package is the DS1339C-33#T&R supplied in?

The DS1339C-33#T&R is supplied in a 16-SOIC package.

Does the DS1339C-33#T&R have leap year compensation?

Yes, the DS1339C-33#T&R includes leap year compensation valid up to 2100.

What is the current consumption of the DS1339C-33#T&R?

The current consumption is typically 200µA at 5.5V.

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