DS1306EN+T&R

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DS1306EN+T&R

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IC RTC CLK/CALENDAR SPI 20-TSSOP

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Спецификации

Атрибут Ценность
Supplier Analog Devices Inc./Maxim Integrated
Package Tape & Reel (TR)
ProductStatus Obsolete
Type Clock/Calendar
Features Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger
MemorySize 96B
TimeFormat HH:MM:SS (12/24 hr)
DateFormat YY-MM-DD-dd
Interface SPI
Voltage-Supply 2V ~ 5.5V
Voltage-SupplyBattery 2V ~ 5.5V
Current-Timekeeping(Max) 25.3µA ~ 81µA @ 2V ~ 5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 20-TSSOP (0.173, 4.40mm Width)

Обзор

Description

The DS1306EN+T&R is a real-time clock (RTC) IC from Maxim Integrated, designed for timekeeping applications. It features a full clock calendar with seconds, minutes, hours, day, date, month, and year, including leap year compensation valid up to 2100. The device operates using an SPI interface, allowing it to be easily integrated into microcontroller-based systems.
Key features include a dual alarm system, programmable square wave output, and 96 bytes of battery-backed SRAM for non-volatile data storage. The DS1306EN+T&R is powered by a primary supply (VCC), with an automatic switch to a backup battery (VBAT) when the main power source fails, ensuring continuous timekeeping.
The RTC is encapsulated in a compact surface-mount package, ideal for use in various applications like consumer electronics, automotive systems, and industrial equipment. The "+T&R" designation indicates that the product is supplied in tape and reel packaging, suitable for automated assembly processes.

Equivalent

The DS1306EN+T&R is a real-time clock (RTC) chip. Equivalent products include:
1. DS1307: A widely used RTC with similar basic functions.
2. MCP7940N: RTC with additional features like an I2C interface.
3. PCF8563: Provides similar RTC functionalities with low power consumption.
4. RV-1805-C3: An ultra-low power RTC.
5. RX-8025SA: Includes temperature compensation for accurate timekeeping.
When selecting an equivalent, consider factors like interface, power consumption, and additional features.

Features

The DS1306EN+T&R is a real-time clock (RTC) module that offers several features designed for timekeeping applications. It includes:
1. Real-Time Clock: Provides timekeeping in seconds, minutes, hours, days, date, month, and year with leap year compensation.
2. Dual Alarms: Supports two programmable alarms for event scheduling.
3. SPI Interface: Offers a serial peripheral interface (SPI) for communication, allowing easy integration with microcontrollers.
4. Battery Backup: Features a battery backup input to maintain timekeeping during power outages.
5. 32 KHz Output: Provides a programmable frequency output for clock calibration or microcontroller reference timing.
6. Trickle-Charge Circuitry: Includes a trickle-charge circuit to maintain battery charge.
7. Temperature Range: Operates over a wide temperature range, making it suitable for various environments.
These features make the DS1306EN+T&R a versatile and reliable choice for applications requiring precise timekeeping, such as data loggers, security systems, and industrial controls.

Pinout

The DS1306EN+T&R is a real-time clock (RTC) chip produced by Maxim Integrated, now part of Analog Devices. It comes in a 20-pin TSSOP (Thin Shrink Small Outline Package) format. The DS1306 provides accurate timekeeping with features such as:
1. Clock Functionality: Tracks seconds, minutes, hours, day, date, month, and year with leap year compensation.
2. Alarms: Two programmable time-of-day alarms.
3. Battery Backup: Maintains timekeeping during power outages.
4. Interface: SPI (Serial Peripheral Interface) compatible for communication.
5. Additional Features: Provides a programmable square-wave output.
The device is typically used in applications requiring precise timekeeping with battery backup capability, such as in embedded systems, data loggers, and other timing-critical applications.

Manufacturer

The DS1306EN+T&R is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is a company known for designing and manufacturing analog and mixed-signal integrated circuits. They produce a wide range of products, including power management ICs, sensors, and microcontrollers, catering to various industries such as consumer electronics, automotive, industrial, and communications. The DS1306EN+T&R, specifically, is a real-time clock (RTC) chip used in electronic devices to keep track of time.

Application

The DS1306EN+T&R is a real-time clock (RTC) module with SPI interface commonly used in applications requiring accurate timekeeping. Typical application areas include:
1. Embedded Systems: To keep track of time in microcontroller-based applications.
2. Data Logging: For timestamping data entries in data loggers.
3. Consumer Electronics: In devices like DVRs, microwave ovens, and digital cameras for maintaining accurate time.
4. Industrial Automation: To schedule tasks and log operation times in automated systems.
5. Telecommunications: Used in network equipment for synchronization.
6. Security Systems: For time-stamped access control and event logging.
Its low power consumption and ability to retain time during power failures make it suitable for battery-operated devices.

Package

The DS1306EN+T&R is a Real-Time Clock (RTC) IC from Maxim Integrated. The package type is "EN," indicating it is an 8-pin 150 mil SOIC (Small Outline Integrated Circuit) package. The "+T&R" denotes the product is delivered in tape and reel packaging, suitable for automated assembly processes.

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