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DS1307Z+

Name: DS1307Z+
Rating: 4.7 (12 reviews)

IC RTC CLK/CALENDAR I2C 8-SOIC

メーカー
Mfr。パート #DS1307Z+
パッケージ SOIC-8
データシート
在庫中4897

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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Type	Clock/Calendar
Features	Alarm, Leap Year
TimeFormat	HH:MM:SS (12/24 hr)
DateFormat	YY-MM-DD-dd
Interface	I²C, 2-Wire Serial
Voltage-Supply	1.3V ~ 5.5V
Current-Timekeeping(Max)	0.93µA ~ 1.1µA @ 3V ~ 5V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	8-TSSOP (0.173, 4.40mm Width)
Voltage-SupplyBattery	1.3V ~ 5.5V
MemorySize	31B
Series	Timekeeper®

概要

Description

The DS1307Z+ is a real-time clock (RTC) integrated circuit (IC) designed to keep track of time and date. It operates on a low voltage (2.0V to 5.5V) and communicates via I2C interface, making it compatible with various microcontrollers. The DS1307Z+ offers features such as a built-in crystal oscillator, battery backup capability, and an adjustable clock output.
It can store time in binary-coded decimal (BCD) format, providing accurate timekeeping with a drift of about ±2 minutes per month at room temperature. The device supports a calendar function with date, month, year, and day-of-week information and can also handle leap years.
Applications include battery-operated devices, timers, and embedded systems where maintaining accurate time is critical. The chip also includes a programmable square wave output that can be used for timing and clock generation. Overall, the DS1307Z+ is a versatile and reliable component for timekeeping in various electronic applications.

Features

The DS1307Z+ is a low-power real-time clock (RTC) that provides timekeeping functionality for various applications. Key features include:
1. Timekeeping: Maintains accurate time and date, including leap year compensation.
2. Interface: Communicates via I2C protocol, allowing easy integration with microcontrollers.
3. Memory: Includes 56 bytes of non-volatile SRAM for user data storage.
4. Power Supply: Operates from a 2.0V to 5.5V supply, suitable for battery backup.
5. Oscillator: Utilizes a 32.768 kHz crystal oscillator for precise timekeeping.
6. Battery Backup: Supports backup power from a coin cell battery, ensuring operation during power outages.
7. Alarm Functionality: Can generate alarms for time-based events.
8. Temperature Compensated: Ensures stable performance across a wide temperature range (-40°C to +85°C).
The DS1307Z+ is widely used in embedded systems, clocks, and other time-sensitive applications due to its simplicity and reliability.

Package

The DS1307Z+ is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) form factor.

Pinout

The DS1307Z+ is a real-time clock (RTC) integrated circuit with a total of 8 pins. The pinout and their functions are as follows:
1. VCC: Power supply input (2.0V to 5.5V).
2. GND: Ground reference.
3. SCL: Serial clock input for I²C communication.
4. SDA: Serial data input/output for I²C communication.
5. SQW/INT: Square wave output or interrupt output.
6. OUT: Output for the square wave signal.
7. X1: Crystal connection for a 32.768 kHz crystal oscillator.
8. X2: Second crystal connection.
The DS1307Z+ is widely used in applications requiring timekeeping functions, such as in embedded systems and real-time data logging. It maintains accurate time and date information, even during power outages, by using a backup battery.

Manufacturer

The DS1307Z+ is manufactured by Maxim Integrated, which is a semiconductor company known for designing and manufacturing analog and mixed-signal integrated circuits. The company focuses on a variety of applications, including automotive, industrial, consumer, and communications sectors, providing solutions such as power management, sensors, and timing devices. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further enhancing its portfolio and market reach in the electronics industry.

Application

The DS1307Z+ is a real-time clock (RTC) used in various applications, including embedded systems, microcontrollers, and data loggers. It's commonly found in devices requiring accurate timekeeping, such as alarm clocks, timers, and date stamping in electronic systems. Additionally, it supports battery backup for maintaining time during power outages, making it suitable for consumer electronics, industrial automation, and IoT devices.

Equivalent

Equivalent products to the DS1307Z+ chip include the MCP7940N, MCP7941X, and the RV-3028-C7. These RTC (Real-Time Clock) chips provide similar functionalities, including timekeeping and battery backup features. Always verify compatibility with your specific application requirements.