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MAXIM INTEGRATED / ANALOG DEVICES DS1338C3 Real-Time Clock Module

The DS1338 serial real-time clock (RTC) integrates a low-power, full binary-coded decimal (BCD) clock/calendar with 56 bytes of NV SRAM, operating via a serial I2C interface. It provides precise timekeeping with automatic leap year adjustments and supports both 12-hour and 24-hour formats. Its built-in power-sense circuitry ensures uninterrupted operation during power failures by switching seamlessly to a backup voltage source. The device is ideal for applications like portable devices, consumer electronics, office equipment, medical devices, and communication systems, offering reliable, low-power, and compact timekeeping and data storage solutions.

Authorized Distributors
Source:Newark
Part No:DS1338C-3#
Stock:93
Inv Date:06-05-2026
Price: Unit price: $10.91
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Source:DigiKey
Part No:DS1338C-3#
Stock:171
Inv Date:06-05-2026
Price: Unit price: $11.12
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Part No:DS1338C-3#
Stock:51
Inv Date:06-06-2026
Price: Unit price: $10.96
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Part No:DS1338C-3
Stock:0
Inv Date:06-06-2026
Price: N/A
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MAXIM INTEGRATED / ANALOG DEVICES DS1338C3 Real-Time Clock Module Specifications:

  • Supports serial I2C interface with standard and fast mode (100kHz/400kHz).
  • Operates in -40°C to +85°C industrial temperature range.
  • Power supply voltages: 3.0V to 5.5V, backup input for lithium cell.
  • Built-in 32.768kHz crystal oscillator with minimal start-up time.
  • Includes 56 bytes of NV SRAM with unlimited writes.
  • Supports automatic switch to backup power when Vcc drops below threshold.
  • Clock/calendar functions include seconds, minutes, hours, day, date, month, and year with leap-year support.
  • 12/24-hour mode selection, AM/PM indicator, and square wave output frequency options.
  • Low active and standby current, with power fail detection circuitry.
  • Package options include surface-mount with integrated crystal, RoHS compliant, Calibrated accuracy approximately 10ppm at +25°C (DS1338C).

Buy the Buy Maxim Real-Time Clock Module Part Number DS1338C Online

Secure your Maxim SeriesDS1338C RTC module now online and benefit from seamless timekeeping, integrated SRAM, and advanced power-fail detection. Whether you’re developing handheld devices, consumer electronics, or medical equipment, this compact, low-power device offers precise calendar functions with automatic leap-year correction and stable operation across a wide temperature range. Easily integrate with your microcontroller via I2C interface, ensuring reliable data storage and clock management. Purchase today to enhance your project's accuracy, reliability, and efficiency with a proven, UL-recognized component designed for demanding applications.

Order your Maxim SeriesDS1338C low-power RTC with integrated SRAM today and ensure reliable, accurate timekeeping for your portable and industrial projects.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES DS1338C3?

You can click on the BUY or RFQ button to purchase DS1338C3 from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part DS1338C3?

You can download the DS1338C3 datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of DS1338C3?

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