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DS1390U-33 The DS1390U-33 is a Clock/Calendar IC from Analog Devices / Maxim Integrated. It features an SPI interface and operates within a voltage range of 1.3V to 5.5V.
Mfr Part #:

DS1390U-33

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS1390U-33 is a Clock/Calendar IC from Analog Devices / Maxim Integrated. It features an SPI interface and operates within a voltage range of 1.3V to 5.5V.
✓ Total Stock: 62,913 pcs

DS1390U-33 Available from 2 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
56,500 pcs
On Request
56500 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
6,413 pcs
On Request
6413 pcs On Request 1 On Request On Request On Request On Request On Request
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DS1390U-33 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
Supplier Package
Time Format
Type
Voltage
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DS1390U-33 Description

Short technical summary and product information.

The DS1390U-33 is a Real Time Clock (RTC) integrated circuit manufactured by Analog Devices / Maxim Integrated. This Clock/Calendar IC is designed for applications requiring accurate timekeeping.

 

Key electrical specifications include an operating voltage range of 1.3V to 5.5V and a typical current consumption of 175µA at 2.97V to 5.5V. The device operates reliably within a temperature range of -40°C to 85°C.

 

Connectivity is provided via an SPI, 4-Wire Serial interface. The DS1390U-33 supports both HH:MM:SS:hh (12/24 hr) time formats and YY-MM-DD-dd date formats. Additional features include an alarm, leap year support, square wave output, and a trickle-charger.

 

This component is available in a 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) package and is designed for surface mount applications. The supplier package is listed as 10-uMAX.

DS1390U-33 Quick Information

Product Type: Real Time Clock IC
Canonical Name: DS1390U-33 Real Time Clock IC
Subcategory: Real Time Clocks

DS1390U-33 Compliance

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

DS1390U-33 Features

  • Clock/Calendar IC with SPI interface.
  • Operates from 1.3V to 5.5V supply voltage.
  • Wide temperature range of -40°C to 85°C.
  • Includes alarm and trickle-charger features.
  • Surface mountable in 10-TFSOP/10-MSOP package.

DS1390U-33 Applications

  • Ideal for battery-backed timekeeping.
  • Suitable for low-power embedded systems.
  • Used in devices requiring date and time logging.
  • Applications needing alarm functions.

DS1390U-33 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the DS1390U-33?

The operating voltage range is 1.3V to 5.5V.

What is the operating temperature range for the DS1390U-33?

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

What package type is the DS1390U-33 available in?

The DS1390U-33 is available in a 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) package and a 10-uMAX supplier package.

What interface does the DS1390U-33 use?

The DS1390U-33 uses an SPI, 4-Wire Serial interface.

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