DS1337S

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DS1337S

IC RTC CLK/CALENDAR I2C 8SOIC

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Thông số kỹ thuật

Part Status Obsolete
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-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number DS1337

Tổng quan

Description

The DS1337S is a real-time clock (RTC) integrated circuit (IC) that provides precise timekeeping for various applications. It operates on a low power supply voltage, typically between 2.3V and 5.5V, making it suitable for battery-operated devices.
Key features include:
- I2C interface for easy communication with microcontrollers.
- Programmable alarm functions.
- 1Hz output signal for synchronization.
- Integrated oscillator and crystal, ensuring accuracy over a wide temperature range.
- Leap year and clock compensation capabilities.
The DS1337S is commonly used in consumer electronics, industrial applications, and other systems requiring accurate timekeeping. Its low power consumption and compact design make it ideal for portable devices. Overall, it is a reliable choice for any application that needs consistent time management.

Features

The DS1337S is a real-time clock (RTC) with a variety of features designed for accurate timekeeping in embedded applications. Key features include:
1. I2C Interface: Allows easy communication with microcontrollers and other devices.
2. Battery Backup: Supports a battery backup (like a coin cell) to maintain timekeeping during power failures.
3. Accuracy: Provides a precision timekeeping capability with a typical drift of ±3 minutes per year.
4. Programmable Interrupts: Features two programmable alarms and a square wave output for scheduling tasks.
5. Temperature Compensation: Ensures accurate timekeeping across a wide temperature range.
6. Low Power Consumption: Operates with low power, making it suitable for battery-operated devices.
7. Epoch Time: Supports timekeeping in both 12-hour and 24-hour formats, with date information.
8. Non-volatile Memory: Retains settings even when power is removed.
These features make the DS1337S ideal for applications in consumer electronics, industrial systems, and other time-sensitive tasks.

Package

The DS1337S is available in a compact 8-pin SOIC (Small Outline Integrated Circuit) package. This type of packaging is designed for surface-mount applications, allowing for efficient use of space on printed circuit boards.

Pinout

The DS1337S is a real-time clock (RTC) integrated circuit with a total of 8 pins. Here’s the pin count and their functions:
1. VCC (Pin 1): Supply voltage.
2. GND (Pin 2): Ground.
3. SCL (Pin 3): I2C clock line for communication.
4. SDA (Pin 4): I2C data line for communication.
5. OUT (Pin 5): Output pin for square wave or interrupt functions.
6. 32K (Pin 6): Output pin for a 32.768 kHz clock signal.
7. RST (Pin 7): Reset pin, used to reset the RTC.
8. NC (Pin 8): No connection, not used.
The DS1337S is designed to keep accurate time and date, providing features such as battery backup, low power consumption, and programmable alarm functions.

Manufacturer

The DS1337S is manufactured by Maxim Integrated, which is a company specializing in analog and mixed-signal integrated circuits. Founded in 1983, Maxim Integrated designs and produces a wide range of semiconductor products, including power management, signal processing, and interface solutions. The company serves various industries, such as automotive, communications, industrial, and consumer electronics. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further expanding its portfolio and capabilities in the semiconductor market. The DS1337S is a real-time clock (RTC) device known for its low power consumption and precision timing functions, often used in applications requiring accurate timekeeping.

Application

The DS1337S is a real-time clock (RTC) used in various applications, including battery-operated devices, computer systems, and embedded systems. Its key areas include timekeeping for alarms and timestamps, maintaining accurate time in microcontrollers, data logging, and time-sensitive applications in automotive systems, industrial equipment, and consumer electronics. Additionally, it's utilized in IoT devices for scheduling tasks and managing power consumption efficiently.

Equivalent

Equivalent products to the DS1337S chip include the DS1337, DS1340, and MCP7940M. These RTC (Real-Time Clock) chips are similar in functionality, providing timekeeping features and battery backup options. Always check specific datasheets for pin compatibility and additional features before substitution.

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