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DS1340U-33 The DS1340U-33 is an I2C Real-Time Clock/Calendar IC from Analog Devices / Maxim Integrated. It operates within a voltage range of 1.3V to 5.5V and a temperature range of -40°C to 85°C.
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DS1340U-33

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS1340U-33 is an I2C Real-Time Clock/Calendar IC from Analog Devices / Maxim Integrated. It operates within a voltage range of 1.3V to 5.5V and a temperature range of -40°C to 85°C.
✓ Total Stock: 73,325 pcs

DS1340U-33 Available from 2 distributors

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Romaks Technologies ✓
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72,320 pcs
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72320 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
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1,005 pcs
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1005 pcs On Request 1 On Request On Request 1045+ On Request On Request
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DS1340U-33 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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DS1340U-33 Description

Short technical summary and product information.

The DS1340U-33 is an I2C Real-Time Clock (RTC)/Calendar IC manufactured by Analog Devices / Maxim Integrated. It is designed to manage all timekeeping functions, counting seconds, minutes, hours, day, date, month, and year. The device supports a wide operating voltage range from 1.3V to 5.5V and operates across a temperature spectrum of -40°C to 85°C.

 

This RTC features a trickle-charger capability and an oscillator stop flag. It communicates via a fast 400kHz I2C interface, making it suitable for integration with most microcontrollers. The DS1340U-33 is available in an 8-pin package, specifically an 8-uMAX/uSOP or 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) configuration, designed for surface mounting.

 

Key features include leap year calculation and automatic power-fail detect circuitry. The device is RoHS3 compliant, has an MSL of 1 Unlimited, and is REACH unaffected. Its low-power operation extends battery backup run time, making it ideal for portable instruments, point-of-sale equipment, medical equipment, and telecommunications applications.

DS1340U-33 Quick Information

Product Type: Real-Time Clock IC
Canonical Name: DS1340U-33 I2C Real-Time Clock/Calendar IC
Subcategory: Clock/Calendar

DS1340U-33 Compliance

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

DS1340U-33 Features

  • Manages all timekeeping functions.
  • Supports leap year and trickle-charger.
  • Operates from 1.3V to 5.5V.
  • Wide temperature range: -40°C to 85°C.
  • Fast 400kHz I2C interface.

DS1340U-33 Applications

  • Ideal for portable instruments.
  • Suitable for point-of-sale equipment.
  • Used in medical equipment.
  • Applicable to telecommunications systems.

DS1340U-33 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the DS1340U-33?

The operating voltage range is 1.3V to 5.5V.

What is the operating temperature range for the DS1340U-33?

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

What type of interface does the DS1340U-33 use?

The DS1340U-33 uses an I2C, 2-Wire Serial interface.

What package is the DS1340U-33 available in?

The DS1340U-33 is available in an 8-uMAX/uSOP or 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) package.

Does the DS1340U-33 support trickle-charging?

Yes, the DS1340U-33 features trickle-charge capability.

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