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MAXIM INTEGRATED / ANALOG DEVICES DS1338Z3 RTC Module

The DS1338Z-3+ is an I2C-compatible real-time clock (RTC) with a 56-byte non-volatile RAM. It comes in an 8-pin NSOIC package and operates within a supply voltage range of 2.7V to 5.5V. This low-power device features a full binary-coded decimal (BCD) clock and calendar, providing seconds, minutes, hours, day, date, month, and year information. It automatically adjusts the end-of-month date, including leap year corrections. The RTC can operate in 12-hour or 24-hour formats with an AM/PM indicator. It includes a built-in power sense circuit to detect power failures and switch to backup power, ensuring continuous timekeeping. The integrated 56-byte battery-backed RAM allows unlimited writes and serves as a general-purpose memory. Additional features include a programmable square wave output and compatibility with most microcontrollers. Suitable for applications such as office equipment, telecommunications, utility meters, medical devices, consumer electronics, and portable devices.

Authorized Distributors
Source:Newark
Part No:DS1338Z-3+
Stock:90
Inv Date:06-05-2026
Price: Unit price: $6.4
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Source:DigiKey
Part No:DS1338Z-3+
Stock:5277
Inv Date:06-05-2026
Price: Unit price: $7.67
Buy/RFQ:
Part No:DS1338Z-3+
Stock:3092
Inv Date:06-06-2026
Price: Unit price: $7.24
Buy/RFQ:
Part No:DS1338Z-3
Stock:0
Inv Date:06-06-2026
Price: N/A
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MAXIM INTEGRATED / ANALOG DEVICES DS1338Z3 RTC Module Specifications:

  • Operating Voltage Range: 2.7V to 5.5V
  • Package: 8-pin NSOIC
  • Memory: 56-byte NV SRAM with unlimited writes
  • Clock Format: Full BCD, 12-hour or 24-hour with AM/PM indicator
  • Automatic end-of-month date adjustment including leap year correction
  • Power-Fail Detection and Backup Switching Circuitry
  • Supports I2C serial interface at standard (100kHz) and fast (400kHz) modes
  • Square Wave Output: Programmable frequency (1Hz, 4kHz, 8kHz, 32kHz)
  • Application range: office equipment, telecommunications, utility meters, medical devices, consumer electronics
  • Temperature Range: -40°C to +85°C
  • UL Recognized

Buy the Buy Maxim DS1338Z3 Real-Time Clock Part Number DS1338Z3 Online

Purchase the Maxim DS1338Z3 RTC online today for reliable, low-power timekeeping in your applications. This device features fully integrated calendar functions, automatic leap year correction, and a versatile 56-byte NV SRAM. Its I2C interface supports fast and standard modes, making it compatible with a wide range of microcontrollers. The DS1338Z3 offers programmable square wave output, automatic power-fail detection, and backup power switching, maintaining precise operation during power outages. Ideal for office, medical, telecom, utility, and portable device applications, order now to enhance your projects' accuracy and dependability.

Order your Maxim SeriesDS1338Z3 RTC today and ensure accurate timekeeping in your high-reliability projects with seamless microcontroller integration.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES DS1338Z3?

You can click on the BUY or RFQ button to purchase DS1338Z3 from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part DS1338Z3?

You can download the DS1338Z3 datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of DS1338Z3?

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