DS1302Z

画像は参考用です

DS1302Z

+BOM

IC RTC CLK/CALENDAR SER 8SOIC

  • メーカーアナログ・デバイセズ社/マキシム・インテグレーテッド

  • メーカー品番 #DS1302Z

  • 在庫状況8156

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
PartStatus Obsolete
DigiKeyProgrammable Not Verified
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-Supply,Battery 2V ~ 5.5V
Current-Timekeeping(Max) 0.3µA ~ 1µA @ 2V ~ 5V
OperatingTemperature 0°C ~ 70°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 8-SOIC
BaseProductNumber DS1302

概要

Description

The DS1302Z is a real-time clock (RTC) chip manufactured by Maxim Integrated, designed to keep accurate time and date information in electronic devices. It features a battery backup, ensuring continuous operation even during power outages. The DS1302Z communicates with microcontrollers via a simple serial interface, allowing for easy integration into various applications.
Key features include:
1. Timekeeping: Provides seconds, minutes, hours, day, date, month, and year information.
2. Low Power Consumption: Operates on low power, making it ideal for battery-powered devices.
3. Temperature Compensated Crystal Oscillator: Enhances time accuracy.
4. Alarm and Interrupt Functionality: Supports programmable alarms and interrupts for time-based events.
5. User-Friendly Interface: Simple SPI-like communication protocol for ease of use.
Common applications include digital clocks, timers, data loggers, and other time-sensitive electronic devices. The DS1302Z is an excellent choice for projects requiring precise timekeeping with minimal resources.

Equivalent

Equivalent products to the DS1302Z chip include the DS1307, DS3231, and MCP7940N. These chips are real-time clocks (RTCs) with similar functionalities, offering timekeeping and battery backup capabilities. However, they may differ in features like accuracy, power consumption, and interface (I2C vs. SPI). Always check the specific datasheets for detailed specifications and compatibility.

Features

The DS1302Z is a low-power real-time clock (RTC) with several key features:
1. Timekeeping: It maintains seconds, minutes, hours, day, date, month, and year information, including leap year compensation.

2. Battery Backup: It can operate on a backup battery, ensuring timekeeping accuracy even when the main power is off.
3. Serial Interface: Communicates using a simple 3-wire serial interface (Data, Clock, and Chip Select), making it easy to integrate with microcontrollers.
4. Low Power Consumption: Designed for low power usage, ideal for battery-operated devices, consuming only a few microamperes in standby mode.
5. Programmable Square Wave Output: Offers a square wave output with selectable frequencies (1 Hz, 4 kHz, 8 kHz, and 32 kHz).
6. Alarm Functionality: Supports programmable alarms for time-based events.
7. Temperature Compensation: Built-in temperature compensation for improved timekeeping accuracy.
8. Easy Set-Up: Simple initialization and configuration for time and date settings.
The DS1302Z is widely used in embedded systems, clocks, and various time-sensitive applications.

Pinout

The DS1302Z is a real-time clock (RTC) integrated circuit with a total of 8 pins. Here’s a brief overview of each pin and its function:
1. VCC (Pin 1): Power supply input (typically +3V to +5V).
2. GND (Pin 2): Ground reference.
3. SCLK (Pin 3): Serial clock input; used to synchronize data transmission.
4. IO (Pin 4): Bidirectional data input/output; used for serial communication.
5. RST (Pin 5): Reset input; initializes the device when brought high.
6. SQW (Pin 6): Square wave output; can provide a square wave signal or an interrupt signal.
7. VBAT (Pin 7): Battery backup input; powers the RTC during main power loss.
8. NC (Pin 8): No connection; reserved for future use.
The DS1302Z provides timekeeping functions and features programmable square wave output, making it suitable for various timekeeping applications.

Manufacturer

The DS1302Z is manufactured by Maxim Integrated, which is a semiconductor company known for producing a wide range of analog and mixed-signal integrated circuits (ICs). Maxim Integrated specializes in designing innovative solutions for various applications, including automotive, communications, consumer electronics, and industrial systems. The company is recognized for its focus on precision and efficiency in its products, providing components like real-time clocks, power management ICs, and interface devices. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a leading global high-performance analog technology company, further expanding its offerings and capabilities in the semiconductor market.

Application

The DS1302Z is a real-time clock (RTC) chip primarily used in applications requiring accurate timekeeping. Key application areas include:
1. Embedded Systems: For timing tasks in microcontroller-based designs.
2. Data Logging: In devices that record time-stamped data, such as weather stations and industrial monitors.
3. Alarm Clocks: For scheduling alarms and timers.
4. Consumer Electronics: In appliances and gadgets requiring real-time functions.
5. Automated Systems: In control systems for time-based operations.
6. Time-Stamping: In security systems and transaction logs.
Its low power consumption and battery backup make it suitable for various time-sensitive applications.

Package

The DS1302Z is typically packaged in a 16-pin DIP (Dual In-line Package) configuration. It is also available in surface mount options, such as SOIC (Small Outline IC), depending on the manufacturer.

DS1302Zに関連する製品