DS1337C

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IC RTC CLK/CALENDAR I2C 16SOIC

  • FabricanteAnalog Devices Inc./Maxim Integrated

  • Peça do Fabricante #DS1337C

  • Em Estoque6463

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Especificações

Atributo Valor
PartStatus Obsolete
DigiKeyProgrammable Not Verified
Type Clock/Calendar
Features Alarm, Leap Year, Square Wave Output
TimeFormat HH:MM:SS (12/24 hr)
DateFormat YY-MM-DD-dd
Interface I2C, 2-Wire Serial
Voltage-Supply 1.8V ~ 5.5V
Current-Timekeeping(Max) 0.6µA @ 1.3V ~ 1.8V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 16-SOIC (0.295", 7.50mm Width)
SupplierDevicePackage 16-SOIC
BaseProductNumber DS1337

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Description

The DS1337C is a low-power real-time clock (RTC) integrated circuit designed for battery-powered devices. It provides accurate timekeeping and includes features such as a built-in crystal oscillator, clock/calendar functions, and programmable alarms. The device communicates via an I2C interface, allowing easy integration with microcontrollers and other digital systems.
Key specifications include a wide operating voltage range (2.0V to 5.5V), temperature compensation, and a low power consumption mode, making it suitable for various applications, including portable electronics, automotive systems, and industrial automation. The DS1337C also has a programmable square wave output, which can be used for timing applications.
It features a battery backup option, ensuring that timekeeping continues even during power outages. Overall, the DS1337C is a reliable and versatile solution for maintaining accurate time in a variety of applications.

Equivalent

Equivalent products to the DS1337C chip include the DS1337, DS1338, and MCP7940M. Additionally, the PCF8523 and RTC8564 can be considered as alternatives, depending on specific application requirements like voltage, I2C interface, and timing accuracy. Always verify the datasheets for pin compatibility and feature set when switching components.

Features

The DS1337C is a real-time clock (RTC) with several key features:
1. Timekeeping: Maintains accurate time and date, including seconds, minutes, hours, day, date, month, and year.
2. I2C Interface: Communicates via a standard I2C bus, allowing for easy integration into microcontroller systems.
3. Battery Backup: Supports a backup battery to maintain timekeeping during power loss, with a low power consumption mode.
4. Programmable Alarm: Features programmable alarms for time-based reminders or events.
5. Temperature Compensation: Includes a temperature-compensated oscillator for improved accuracy.
6. Leap Year Handling: Automatically accounts for leap years, ensuring correct date calculations.
7. User-Controlled Output: Provides a square wave output signal that can be configured by the user.
8. Low Power Consumption: Designed for battery-operated devices, ensuring minimal energy use.
These features make the DS1337C suitable for various applications, including consumer electronics, industrial systems, and embedded projects.

Pinout

The DS1337C is a real-time clock (RTC) integrated circuit with a total of 8 pins. Here are the pin functions:
1. VCC: Supply voltage (2.0V to 5.5V).
2. GND: Ground reference.
3. SDA: Serial data line for I2C communication.
4. SCL: Serial clock line for I2C communication.
5. VBACKUP: Backup power input for operation during primary power failure.
6. 32KOUT: 32.768 kHz output for clock applications.
7. IRQ: Interrupt output for alarm and other events.
8. ALARM: Alarm function pin, indicating when an alarm event occurs.
The DS1337C is widely used in applications requiring precise timekeeping and low power consumption.

Manufacturer

The DS1337C is manufactured by Maxim Integrated, a company that specializes in the design and production of analog and mixed-signal semiconductor products. Founded in 1983, Maxim Integrated became well-known for its innovative solutions in various applications, including power management, signal processing, and data conversion.
In 2020, Maxim Integrated was acquired by Analog Devices, Inc., a leading global manufacturer of high-performance analog, mixed-signal, and digital signal processing integrated circuits. Analog Devices serves a wide array of markets, such as automotive, industrial, communication, and consumer electronics.
The DS1337C is a real-time clock (RTC) device that features a low-power, battery-backed timekeeping function and is designed for use in a variety of applications, including embedded systems, telecommunications, and consumer electronics. By providing accurate timekeeping and date functions, the DS1337C supports systems that require precise timing information.

Application

The DS1337C is a real-time clock (RTC) chip that is used in various applications requiring precise timekeeping. Its main application areas include:
1. Consumer Electronics: Used in clocks, watches, and timers.
2. Embedded Systems: Provides timekeeping for microcontrollers in devices.
3. Data Loggers: Timestamping data in environmental monitoring and industrial applications.
4. Home Automation: Scheduling operations in smart home devices.
5. Networking Equipment: Synchronizing time in routers and switches.
6. Automotive Systems: Maintaining time in infotainment and dashboard displays.
Its low power consumption makes it suitable for battery-operated devices.

Package

The DS1337C is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.

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