DS1302ZN+T&R

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DS1302ZN+T&R

IC RTC CLK/CALENDAR SER 8-SOIC

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規格

Supplier Analog Devices Inc./Maxim Integrated,Rochester Electronics, LLC
Package Tape & Reel (TR),Bulk
ProductStatus Obsolete
Type Clock/Calendar
Features Leap Year, NVSRAM, Trickle-Charger
MemorySize 31B
TimeFormat HH:MM:SS (12/24 hr)
DateFormat YY-MM-DD-dd
Interface 3-Wire Serial
Voltage-Supply 2V ~ 5.5V
Voltage-SupplyBattery 2V ~ 5.5V
Current-Timekeeping(Max) 0.3µA ~ 1µA @ 2V ~ 5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

概述

Description

The DS1302ZN+T&R is a real-time clock (RTC) chip manufactured by Maxim Integrated, designed for keeping accurate time and date information in embedded systems. It operates on a supply voltage range of 2.0V to 5.5V and interfaces with microcontrollers via a simple serial communication protocol (SPI).
Key features include:
1. Timekeeping: Tracks seconds, minutes, hours, day, date, month, and year, including leap year adjustments.
2. Battery Backup: Maintains timekeeping even during power outages using a backup battery.
3. Programmable Alarm: Offers alarm functionality to trigger events at specified times.
4. Low Power Consumption: Designed to operate with minimal power, ideal for battery-operated devices.
5. Adjustable Clock Rate: Provides flexibility in clock frequency for various applications.
The DS1302ZN+T&R is commonly used in applications such as digital clocks, data loggers, and any system requiring accurate timekeeping. Its small footprint and ease of integration make it a popular choice among engineers and hobbyists.

Features

The DS1302ZN+T&R is a real-time clock (RTC) with battery backup, designed for applications requiring precise timekeeping. Key features include:
1. Timekeeping: Maintains seconds, minutes, hours, day, date, month, and year, including leap year adjustments.
2. Battery Backup: Operates with a backup battery, ensuring timekeeping even when power is lost.
3. Low Power Consumption: Consumes minimal power in both active and standby modes, making it suitable for battery-operated devices.
4. SPI Interface: Communicates via a Serial Peripheral Interface (SPI), simplifying integration with microcontrollers.
5. Programmable Square Wave Output: Generates a square wave output for various timing applications.
6. Temperature Compensation: Offers improved timekeeping accuracy across a wide temperature range.
7. Compact Package: Available in a 20-pin DIP or SOP package, allowing easy mounting on PCBs.
These features make the DS1302ZN+T&R ideal for applications like consumer electronics, industrial automation, and portable devices that require reliable timekeeping.

Package

The DS1302ZN+T&R is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) type. This surface-mount package is designed for efficient use of space on circuit boards.

Pinout

The DS1302ZN+T&R is a real-time clock (RTC) device with a total of 8 pins. The pin functions are as follows:
1. VCC: Power supply (2.0V to 5.5V).
2. GND: Ground connection.
3. SCLK: Serial clock input for data communication.
4. IO: Bidirectional serial data input/output.
5. CE: Chip Enable, activates the chip for communication.
6. RST: Reset input, initializes the device when held low.
7. OUT: Square wave output (optional), can provide a 1 Hz output signal.
8. VBACKUP: Backup power supply for maintaining time during primary power loss.
The DS1302ZN+T&R is commonly used in applications requiring accurate timekeeping, such as in embedded systems and digital clocks.

Manufacturer

The DS1302ZN+T&R is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is a semiconductor company specializing in designing and manufacturing integrated circuits (ICs) for various applications, including interfacing, power management, and signal processing. They focus on providing innovative solutions in areas such as automotive, industrial, medical, and consumer electronics. Their products are known for high performance and reliability, catering to a wide range of electronic design needs.

Application

The DS1302ZN+T&R is a real-time clock (RTC) device used in applications requiring timekeeping, such as digital clocks, timers, and data loggers. It's suitable for embedded systems, microcontroller projects, and battery-powered devices. Common uses include time-stamping in data acquisition systems, scheduling tasks in automation, and maintaining time in consumer electronics like appliances and watches. Its low power consumption also makes it ideal for portable applications.

Equivalent

The DS1302ZN+T&R is a real-time clock (RTC) chip. Equivalent products include:
1. DS1307 - A similar RTC with I2C interface.
2. MCP7940N - RTC with battery backup and I2C interface.
3. PCF8563 - RTC with I2C interface from NXP.
4. RTC8564 - Another alternative with I2C support.
Ensure compatibility with your specific application requirements.

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