DS1337U+T&R

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DS1337U+T&R

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IC RTC CLOCK/CALENDAR I2C 8UMAX

  • HerstellerAnalog Devices Inc./Maxim Integrated

  • Herstellerteil #DS1337U+T&R

  • Datenblatt DS1337U+T&R DataSheet

  • Auf Lager8871

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Spezifikationen

Attribut Wert
Part Status Active
Digi Key Programmable Not Verified
Type Clock/Calendar
Features Alarm, Leap Year, Square Wave Output
Time Format HH:MM:SS (12/24 hr)
Date Format YY-MM-DD-dd
Interface I2C, 2-Wire Serial
Voltage - Supply 1.8V ~ 5.5V
Current - Timekeeping (Max) 0.6µA @ 1.3V ~ 1.8V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-uMAX/uSOP
Base Product Number DS1337

Übersicht

Description

The DS1337U+T&R is a real-time clock (RTC) integrated circuit (IC) designed for microcontroller-based applications requiring accurate timekeeping. It operates on a supply voltage of 3.0V to 5.5V and provides a serial I2C interface for easy communication with microcontrollers.
Key features include:
1. Timekeeping: Tracks time, date, and day of the week with options for leap year adjustments.
2. Power Management: It has a low power consumption mode, making it suitable for battery-operated devices.
3. Temperature Compensation: The DS1337U uses an internal crystal oscillator that can be compensated to improve accuracy.
4. Alarm Functionality: It includes programmable alarms to trigger events at specific times.
5. Backup Power: A battery backup input allows continuous operation even during power outages.
Applications range from consumer electronics and industrial devices to telecommunications systems, where precise timekeeping is crucial.

Equivalent

Equivalent products to the DS1337U+T&R real-time clock include the MCP7940M from Microchip, the PCF8523 from NXP, and the RV-3028-C7 from Micro Crystal. These alternatives provide similar functionalities, such as timekeeping, battery backup, and I2C interface, but may vary in specific features like power supply voltage and temperature range. Always consult datasheets for detailed specifications and compatibility.

Features

The DS1337U+T&R is a real-time clock (RTC) chip from Maxim Integrated, designed for low-power applications. Key features include:
1. Real-Time Clock: Keeps track of time and date, including leap years.
2. I2C Interface: Communicates via a standard I2C bus, allowing easy integration with microcontrollers.
3. Low Power Consumption: Operates on a low current, making it suitable for battery-powered devices.
4. Temperature Compensated: Maintains accurate time across a wide temperature range.
5. Power Fail Detection: Detects power loss and can switch to a backup battery seamlessly.
6. Alarm Functionality: Supports programmable alarms and interrupts.
7. 32kHz Output: Provides a square wave output for timing applications.
8. Wide Voltage Range: Operates from 1.3V to 5.5V, accommodating various power supply needs.
9. Integrated Oscillator: Includes a temperature-compensated crystal oscillator.
These features make the DS1337U+T&R ideal for various applications, including consumer electronics, industrial devices, and IoT products.

Pinout

The DS1337U+T&R is a real-time clock (RTC) device from Maxim Integrated (now part of Analog Devices). It features a 16-pin TSSOP package. The pin count and functions are as follows:
1. VCC (Pin 1): Power supply voltage.
2. GND (Pin 2): Ground.
3. SCL (Pin 3): I2C clock line.
4. SDA (Pin 4): I2C data line.
5. SQW/INT (Pin 5): Square wave output or interrupt.
6. 32kHz (Pin 6): 32.768 kHz output.
7. BAT (Pin 7): Backup battery input.
8. X1 (Pin 8): Crystal oscillator input.
9. X2 (Pin 9): Crystal oscillator output.
10. ALM (Pin 10): Alarm output.
11. IRQ (Pin 11): Interrupt request output.
12. A0/A1/A2 (Pins 12-14): I2C address select pins.
13. VREF (Pin 15): Reference voltage for analog functions.
14. NC (Pin 16): No connect.
This device provides timekeeping functions with low power consumption, programmable alarms, and various output options.

Manufacturer

The DS1337U+T&R is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is a semiconductor company that specializes in designing and manufacturing a wide range of analog and mixed-signal integrated circuits (ICs). Their products are used in various applications, including automotive, industrial, medical, and consumer electronics.
The DS1337U is a real-time clock (RTC) that provides precise timekeeping functionality and includes features such as a battery backup option, programmable alarm functions, and a digital temperature sensor. This makes it suitable for applications requiring accurate timekeeping and low power consumption.
Maxim Integrated has a strong reputation for innovation in the semiconductor industry, focusing on high-performance analog products, data converters, microcontrollers, and various communication solutions. Their solutions are designed to enhance the performance and efficiency of electronic systems across diverse markets.

Application

The DS1337U+T&R is a real-time clock (RTC) with a built-in oscillator, commonly used in various applications requiring accurate timekeeping. Key areas include:
1. Consumer Electronics: Digital clocks, home appliances, and gaming devices.
2. Industrial Automation: Timestamping in data logging and control systems.
3. Telecommunications: Synchronization in networking equipment.
4. Automotive: Clocks in dashboards and infotainment systems.
5. Medical Devices: Time tracking in monitoring equipment.
6. Smart Home Devices: Scheduling for automated systems.
Its low power consumption and integrated features make it suitable for battery-operated devices.

Package

The DS1337U+T&R is packaged in a 16-pin QSOP (Thin Quad Flat Package) format.

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