DS1338Z-33+

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DS1338Z-33+

IC RTC CLK/CALENDAR I2C 8-SOIC

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Clock/Calendar
Features Alarm, Leap Year
TimeFormat HH:MM:SS (12/24 hr)
DateFormat YY-MM-DD-dd
Interface I²C, 2-Wire Serial
Voltage-Supply 1.3V ~ 5.5V
Current-Timekeeping(Max) 0.93µA ~ 1.1µA @ 3V ~ 5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-TSSOP (0.173, 4.40mm Width)
Voltage-SupplyBattery 1.3V ~ 5.5V
MemorySize 31B
Series Timekeeper®

概述

Description

The DS1338Z-33+ is a real-time clock (RTC) integrated circuit from Maxim Integrated, designed for low-power applications. Operating with a supply voltage of 3.3V, it features an I²C interface for easy communication with microcontrollers. The chip maintains accurate timekeeping with a precision of ±2 minutes per year and includes a built-in battery backup, ensuring continuous operation even during power outages.
Key features include a temperature-compensated crystal oscillator, an alarm function, and programmable square wave outputs. The DS1338Z-33+ also incorporates a 64-byte EEPROM for data storage, which is helpful for saving configuration settings or other small amounts of data.
Its low power consumption makes it suitable for battery-operated devices, while its small form factor allows for easy integration into compact designs. Overall, the DS1338Z-33+ is an ideal choice for applications requiring reliable timekeeping, such as consumer electronics, industrial equipment, and IoT devices.

Features

The DS1338Z-33+ is a low-power real-time clock (RTC) with the following key features:
1. Timekeeping Functionality: Provides accurate timekeeping with a built-in oscillator.
2. I2C Interface: Communicates via I2C bus for easy integration with microcontrollers.
3. Battery Backup: Includes a battery backup option to maintain time during power outages.
4. Power Supply: Operates on a voltage range of 2.5V to 5.5V.
5. Low Power Consumption: Consumes only 2µA during battery backup, making it suitable for battery-operated devices.
6. Temperature Compensation: Features temperature compensation for improved accuracy.
7. Square Wave Output: Offers programmable square wave output with selectable frequencies.
8. Alarm Functionality: Supports alarm capabilities to trigger events on specific time conditions.
9. Leap Year Handling: Automatically accounts for leap years, ensuring accurate date tracking.
10. Compact Package: Available in a small 8-pin SOIC package for space-constrained applications.
Overall, the DS1338Z-33+ is an efficient and versatile solution for timekeeping in various electronic devices.

Package

The DS1338Z-33+ is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) form factor.

Pinout

The DS1338Z-33+ is a real-time clock (RTC) IC that operates with a pin count of 8. The functions of its pins are as follows:
1. VCC: Power supply (3.0V to 5.5V).
2. GND: Ground connection.
3. SCL: Serial clock line for I²C communication.
4. SDA: Serial data line for I²C communication.
5. SQW/INT: Square wave output or interrupt signal.
6. BAT: Backup battery input for maintaining time during power loss.
7. RST: Reset input for the RTC.
8. VOUT: Voltage output pin for powering external circuits (optional).
The DS1338Z-33+ provides features such as a programmable square wave, low power consumption, and battery backup, making it suitable for various applications requiring timekeeping.

Manufacturer

The DS1338Z-33+ is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Established in 1983, Maxim Integrated is known for designing and manufacturing analog and mixed-signal semiconductor products. The company specializes in providing solutions for various applications, including power management, data conversion, signal conditioning, and interface technologies. Its products are widely used in consumer electronics, automotive, telecommunications, and industrial systems. The DS1338Z-33+ is a real-time clock (RTC) device, providing accurate time-keeping functions for electronic systems.

Application

The DS1338Z-33+ is a real-time clock (RTC) with a built-in temperature-compensated crystal oscillator. It is commonly used in applications such as timekeeping in embedded systems, data loggers, consumer electronics, industrial equipment, and battery-powered devices. Its features make it suitable for time-stamping events, managing schedules, and maintaining accurate time in power-sensitive applications.

Equivalent

The DS1338Z-33+ is a real-time clock (RTC) with a built-in oscillator. Equivalent products include:
1. MCP7940N - Microchip RTC with EEPROM.
2. PCF8523 - NXP RTC with I2C interface.
3. RTC8564 - NXP RTC with integrated oscillator.
4. ISL12022 - Intersil RTC with low power consumption.
Ensure to check specifications for compatibility with your application.

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