DS1338Z-18+ The DS1338Z-18+ is a serial real-time clock (RTC) from Analog Devices / Maxim Integrated. It features an I2C interface and 56 bytes of NV SRAM.
Mfr Part #:

DS1338Z-18+

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS1338Z-18+ is a serial real-time clock (RTC) from Analog Devices / Maxim Integrated. It features an I2C interface and 56 bytes of NV SRAM.
✓ Total Stock: 17 pcs

DS1338Z-18+ Available from 1 distributor

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17 pcs
17 pcs On Request 1 On Request On Request 05+40 On Request On Request

DS1338Z-18+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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DS1338Z-18+ Description

Short technical summary and product information.

The Analog Devices / Maxim Integrated DS1338Z-18+ is a low-power serial real-time clock (RTC) IC that manages all timekeeping functions. It provides seconds, minutes, hours, day, date, month, and year information, with automatic adjustments for month length and leap years. The clock operates in either 24-hour or 12-hour format with an AM/PM indicator.

 

This RTC features a 56-byte battery-backed NV SRAM for general-purpose data storage with unlimited writes. It includes a built-in power-sense circuit that detects power failures and automatically switches to a backup supply, ensuring continuous time and date operation. The device interfaces with most microcontrollers via an I2C serial interface.

 

The DS1338Z-18+ is available in an 8-SOIC surface-mount package and operates within an industrial temperature range of -40°C to +85°C. Its low-power operation extends battery backup run time, making it suitable for various applications including handheld devices, consumer electronics, office equipment, and telecommunications systems.

DS1338Z-18+ Quick Information

Product Type: Real Time Clock
Canonical Name: DS1338Z-18+ Real Time Clock IC
Subcategory: Clock/Calendar

DS1338Z-18+ Compliance

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

DS1338Z-18+ Features

  • Manages all timekeeping functions.
  • 56-byte battery-backed NV SRAM.
  • I2C serial interface for microcontrollers.
  • Automatic power-fail detect circuitry.
  • Operates from -40°C to 85°C.

DS1338Z-18+ Applications

  • Suitable for handheld devices.
  • Used in consumer electronics.
  • Applicable to office equipment.
  • Designed for telecommunications.
  • Ideal for medical devices.

DS1338Z-18+ FAQs

6 frequently asked questions generated from this part’s specifications.
What type of clock is the DS1338Z-18+?

The DS1338Z-18+ is a serial real-time clock (RTC) with calendar and 56 bytes of NV SRAM.

What interface does the DS1338Z-18+ use?

The DS1338Z-18+ uses an I2C, 2-Wire Serial interface.

What is the operating voltage range for the DS1338Z-18+?

The operating voltage range for the DS1338Z-18+ is 1.3V to 3.7V.

What is the operating temperature range of the DS1338Z-18+?

The DS1338Z-18+ operates within a temperature range of -40°C to 85°C.

What package is the DS1338Z-18+ supplied in?

The DS1338Z-18+ is supplied in an 8-SOIC package.

Does the DS1338Z-18+ have non-volatile RAM?

Yes, the DS1338Z-18+ includes 56 bytes of battery-backed NV SRAM.

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