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DS1337U+T&R

Name: DS1337U+T&R
Rating: 4.7 (12 reviews)

IC RTC CLOCK/CALENDAR I2C 8UMAX

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Mfr.부분 #DS1337U+T&R
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데이터시트 DS1337U+T&R DataSheet
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사양

Part Status	Active
DigiKey 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

개요

Description

The DS1337U+T&R is a real-time clock (RTC) device from Maxim Integrated, designed to keep accurate time and date information. It operates over a wide voltage range (2.0V to 5.5V) and offers I2C interface compatibility, allowing easy integration with microcontrollers. The device features a built-in oscillator that can maintain time even during power interruptions, thanks to its backup battery support.
Key features include a programmable alarm function, programmable square wave output, and the ability to keep track of time in multiple formats (12-hour or 24-hour). The DS1337U+T&R also includes a temperature-compensated crystal oscillator for improved timekeeping accuracy. It is suitable for a variety of applications, including consumer electronics, industrial equipment, and embedded systems, where precise timekeeping is crucial.
In summary, the DS1337U+T&R is an efficient, reliable RTC solution for projects requiring accurate time management and low power consumption.

Features

The DS1337U+T&R is a real-time clock (RTC) with several key features:
1. Timekeeping Accuracy: It offers a timekeeping accuracy of ±2 minutes per year at 25°C.
2. Power Supply: Operates on a wide voltage range of 2.3V to 5.5V, making it suitable for various applications.
3. Backup Battery: It includes a battery backup feature that maintains timekeeping during power outages.
4. Output: Provides a selectable square wave output (1Hz, 4kHz, 8kHz, or 32kHz) for clock applications.
5. Alarm Functionality: Supports two programmable alarms for wake-up or event signaling.
6. Temperature Compensation: It has temperature-compensated oscillation for better accuracy.
7. I2C Interface: Communicates via an I2C interface, enabling easy integration with microcontrollers.
8. Low Power Consumption: Designed for low power operation, making it ideal for battery-powered devices.
Overall, the DS1337U+T&R is well-suited for applications needing accurate timekeeping with minimal power use.

Package

The DS1337U+T&R is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package).

Pinout

The DS1337U+T&R is a real-time clock (RTC) device from Maxim Integrated. It features a total of 8 pins. Here’s a brief overview of the pin functions:
1. VCC: Power supply voltage (2.0V to 5.5V).
2. GND: Ground reference.
3. SCL: Serial clock input for I²C interface.
4. SDA: Serial data input/output for I²C interface.
5. SQW/INT: Square wave output or interrupt output.
6. 32K: 32.768 kHz output pin.
7. VBAT: Backup supply input (for battery connection).
8. NC: No connection (not used).
The DS1337U+T&R provides accurate timekeeping, with features like a programmable square wave output, interrupt capabilities, and battery backup for maintaining time during power loss.

Manufacturer

The DS1337U+T&R is manufactured by Maxim Integrated, which is now a part of Analog Devices, Inc. Maxim Integrated is a semiconductor company that specializes in designing and manufacturing analog and mixed-signal integrated circuits (ICs). Their products are widely used in various applications including automotive, industrial, communications, and consumer electronics. Maxim Integrated is known for its expertise in power management, signal processing, and interface solutions. The acquisition by Analog Devices in 2021 has further strengthened their position in the semiconductor industry, enabling a broader portfolio of solutions for customers.

Application

The DS1337U+T&R is a real-time clock (RTC) integrated circuit used in various applications, including battery-powered devices, consumer electronics, industrial equipment, and telecommunications. It provides accurate timekeeping and date functions, often utilized in systems requiring time-stamping, event logging, or scheduled operations. Typical areas include smart meters, automotive systems, wearable technology, and embedded systems where low power consumption and reliability are essential.

Equivalent

Equivalent products to the DS1337U+T&R chip include the MCP79410, PCF8523, and MAX DS3231. These RTC (Real-Time Clock) chips offer similar functionalities, such as I2C interface, battery backup, and timekeeping accuracy. However, it's essential to check specific features and pin configurations to ensure compatibility in your application.