DS1672S-33+

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DS1672S-33+

IC RTC BINARY CNT I2C 8-SOIC

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Bảo hành 365 ngày

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Thông số kỹ thuật

Supplier Analog Devices Inc./Maxim Integrated
Package Tube
ProductStatus Active
Type Binary Counter
Features Trickle-Charger
TimeFormat Binary
DateFormat Binary
Interface I²C, 2-Wire Serial
Voltage-Supply 2.97V ~ 3.63V
Voltage-SupplyBattery 1.3V ~ 3.63V
Current-Timekeeping(Max) 500µA @ 3.63V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Tổng quan

Description

The DS1672S-33+ is a real-time clock (RTC) integrated circuit designed by Maxim Integrated. It provides accurate timekeeping, including seconds, minutes, hours, day, date, month, and year, with leap year support. The chip operates on a supply voltage of 3.0V to 3.6V and features a low-power consumption mode, making it ideal for battery-operated devices.
Key features include a 32.768 kHz crystal oscillator, programmable alarm functions, and a timekeeping accuracy of ±2 minutes per month at 25°C. It also includes a watchdog timer and a programmable square wave output, which can be used for various timing applications. The DS1672S-33+ supports serial communication via I2C, allowing easy integration with microcontrollers.
This device is suitable for applications such as portable electronics, consumer products, and industrial systems where reliable timekeeping is essential. The DS1672S-33+ is known for its robustness and efficiency, catering to the needs of modern electronic systems.

Features

The DS1672S-33+ is a real-time clock (RTC) with a variety of features designed for timekeeping applications. Key features include:
1. Real-Time Clock: Tracks time in seconds, minutes, hours, day, date, month, and year.
2. Temperature Compensation: Maintains accurate timekeeping across a wide temperature range.
3. I2C Interface: Supports easy communication with microcontrollers via a standard I2C bus.
4. Low Power Consumption: Designed for battery-operated devices, it has a low power consumption mode.
5. Power-Supply Monitoring: Monitors VCC and can generate alarms for low voltage levels.
6. Programmable Alarm: Allows setting alarms for specific time/date events.
7. Automatic Leap Year Adjustments: Automatically accounts for leap years to ensure accurate date tracking.
8. Compact Package: Available in a small package for space-constrained applications.
These features make the DS1672S-33+ suitable for various embedded systems requiring timekeeping functions.

Package

The DS1672S-33+ is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package).

Pinout

The DS1672S-33+ is a real-time clock (RTC) device with 8 pins. Below is a summary of its pin count and functions:
1. VCC - Power supply (3V).
2. GND - Ground.
3. SCL - I2C serial clock input for communication.
4. SDA - I2C serial data input/output for communication.
5. RS - Reset Status output, indicates the reset condition.
6. OUT - Output pin that can provide a square wave or interrupt signal.
7. RST - Reset input, triggers a reset of the RTC.
8. Vbat - Battery backup input, maintains timekeeping during power loss.
The DS1672S-33+ integrates functions for timekeeping, battery backup, and programmable alarms while communicating via I2C.

Manufacturer

The DS1672S-33+ is manufactured by Maxim Integrated, a company known for designing and manufacturing analog and mixed-signal semiconductors. Maxim Integrated specializes in a wide range of products, including sensors, amplifiers, data converters, power management solutions, and embedded processors. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., which further expanded their portfolio in high-performance analog, mixed-signal, and digital signal processing technologies. The DS1672S-33+ is a real-time clock (RTC) device, which emphasizes Maxim's focus on precision timing and low-power solutions for various applications in consumer electronics, automotive, industrial, and communication sectors.

Application

The DS1672S-33+ is a real-time clock (RTC) device primarily used in applications requiring accurate timekeeping. Key application areas include automotive systems, consumer electronics, industrial automation, and telecommunications. It is also utilized in data loggers, alarm systems, and embedded systems where time-stamping is essential. Its low power consumption makes it suitable for battery-operated devices.

Equivalent

Equivalent products to the DS1672S-33+ chip include the DS1685, DS1686, and DS1687, which also provide real-time clock functions with different features and specifications. For specific applications or pin compatibility, consider alternatives like the MCP7940M or the PCF8563. Always check the datasheets for detailed comparisons to ensure compatibility with your project requirements.

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