DS1339C-33#

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DS1339C-33#

IC RTC CLK/CALENDAR I2C 16-SOIC

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Specifications

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®

Overview

Description

The DS1339C-33 is a low-power, real-time clock (RTC) designed for battery-operated applications. It operates on a supply voltage of 3.0 to 5.5 volts and features a temperature-compensated crystal oscillator for accurate timekeeping. The device maintains time and date information, including seconds, minutes, hours, day, date, month, and year, even during power outages, thanks to its backup battery support.
Key features include a built-in alarm function, programmable square wave output, and I2C interface for easy communication with microcontrollers. The DS1339C-33 also offers a programmable frequency output and can be set to operate in a low-power mode, making it suitable for energy-efficient designs. Its small footprint and robust performance make it ideal for applications in portable devices, industrial equipment, and consumer electronics where precise timekeeping is essential.
For detailed specifications and implementation guidelines, referring to the official datasheet is recommended.

Features

The DS1339C-33# is a real-time clock (RTC) device from Maxim Integrated. Key features include:
1. Timekeeping Accuracy: It provides accurate timekeeping with a typical accuracy of ±2 minutes per year.
2. I²C Interface: The device communicates via an I²C interface, allowing easy integration with microcontrollers.
3. Battery Backup: It includes a battery backup function, ensuring timekeeping even during power outages.
4. Low Power Consumption: Designed for low power applications, it operates at a supply voltage of 3.3V and features low battery current.
5. Programmable Alarms: Users can set programmable alarms with interrupt outputs for time-based events.
6. Temperature Compensation: It possesses temperature-compensated crystal oscillator for improved accuracy across temperature ranges.
7. 32.768 kHz Output: The clock can drive a 32.768 kHz output for timing applications.
8. User-Friendly Registers: Easy access to registers for time and date settings.
Overall, the DS1339C-33# is suitable for battery-powered devices needing precise timekeeping.

Package

The DS1339C-33# is typically packaged in an 8-pin SOIC (Small Outline Integrated Circuit) form factor. This package type is designed for surface mount application, providing a compact solution for integrating the device into electronic circuits.

Pinout

The DS1339C-33# is a real-time clock (RTC) device with a total of 8 pins. The functions of these pins are as follows:
1. VCC (Pin 1): Power supply input (3.0V to 3.6V).
2. GND (Pin 2): Ground reference.
3. SDA (Pin 3): Serial data line for I²C communication.
4. SCL (Pin 4): Serial clock line for I²C communication.
5. SQW/INT (Pin 5): Square wave output or interrupt output.
6. RST (Pin 6): Reset input, used to reset the device.
7. 32K (Pin 7): 32 kHz output, provides a clock signal.
8. VBAT (Pin 8): Backup power input for the RTC during main power loss.
The DS1339C-33# offers features like battery backup, programmable square wave output, and I²C interface for easy integration into various applications.

Manufacturer

The DS1339C-33# is manufactured by Texas Instruments (TI), a prominent global semiconductor company. Texas Instruments specializes in designing and producing a wide range of electronics, including analog and digital signal processing chips, embedded processors, and other semiconductor products. The company serves diverse markets such as industrial, automotive, personal electronics, and communications. TI is known for its innovation in analog and embedded processing technologies, providing solutions that enhance performance and efficiency in electronic devices.

Application

The DS1339C-33# is a real-time clock (RTC) with an integrated oscillator and battery backup. It is commonly used in applications such as portable devices, consumer electronics, industrial automation, telecommunications, and networking equipment. Its features make it suitable for timekeeping in systems that require accurate time and date tracking, including data loggers, microcontroller-based systems, and automotive applications.

Equivalent

Equivalent products to the DS1339C-33# chip include the Maxim Integrated DS1340, DS1341, and the Microchip MCP7940M. Additionally, the NXP PCF8523 and the STMicroelectronics M41T62 can serve as alternatives, depending on specific application requirements such as power consumption, interface, and features. Always verify compatibility for your specific use case.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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