DS1388Z-3+

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DS1388Z-3+

+物料清單

IC RTC CLK/CALENDAR I2C 8SOIC

  • 製造商類比設備股份有限公司/Maxim集成

  • 製造商部分 #DS1388Z-3+

  • 數據表 DS1388Z-3+ DataSheet

  • 有存貨4690

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規格

屬性 價值
Part Status Active
DigiKey Programmable Not Verified
Type Clock/Calendar
Features EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer
Memory Size 512B
Time Format HH:MM:SS:hh (12/24 hr)
Date Format YY-MM-DD-dd
Interface I2C, 2-Wire Serial
Voltage - Supply 2.7V ~ 3.3V
Voltage - Supply, Battery 1.3V ~ 5.5V
Current - Timekeeping (Max) 140µA @ 2.7V ~ 3.3V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number DS1388

概述

Description

The DS1388Z-3+ is a real-time clock (RTC) chip designed by Maxim Integrated (now part of Analog Devices) that provides accurate timekeeping for various electronic applications. It operates with a supply voltage of 3.0 to 5.5 volts and communicates with microcontrollers via I2C interface. This chip features an integrated oscillator, crystal, and battery backup, ensuring timekeeping persistence even during power outages.
Key features include a programmable alarm, timer functions, and the ability to maintain time in both 12-hour and 24-hour formats. It also has a built-in watchdog timer for system reliability. The DS1388Z-3+ is suitable for applications like consumer electronics, industrial automation, and IoT devices, where accurate timekeeping and low power consumption are critical.
The device is offered in a compact 8-pin SOIC package, making it easy to integrate into various circuit designs. Overall, the DS1388Z-3+ is a versatile and reliable solution for real-time clock needs in modern electronic systems.

Equivalent

The DS1388Z-3+ is a real-time clock (RTC) chip. Equivalent products include the MCP7940N from Microchip, the RTC8564 from NXP, and the PCF8563 from NXP. These alternatives also provide real-time clock functionality with varying features, such as battery backup and integrated oscillators. Always check specific datasheets for compatibility in terms of voltage, features, and pin configuration.

Features

The DS1388Z-3+ is a real-time clock (RTC) and calendar device from Maxim Integrated. Key features include:
1. Precision Timekeeping: Maintains accurate time and date, compensating for leap years.
2. Low Power Consumption: Operates at a low current draw, suitable for battery-powered applications.
3. Wide Voltage Range: Functions with a supply voltage of 2.0V to 5.5V.
4. Temperature Compensation: Includes a temperature-compensated crystal oscillator for improved accuracy.
5. I2C Interface: Communicates with microcontrollers via a simple I2C bus, supporting up to 400 kHz.
6. Alarms and Interrupts: Features programmable alarms for time-based notifications and events.
7. Battery Backup: Supports a battery backup option to maintain time during power outages.
8. Compact Package: Available in a small SOIC-8 package, ideal for space-constrained applications.
Overall, the DS1388Z-3+ is designed for applications requiring precise timekeeping and minimal power usage.

Pinout

The DS1388Z-3+ is a real-time clock (RTC) device with a pin count of 8. It is designed for battery-powered applications and provides timekeeping functions. The key pins and their functions are as follows:
1. VCC: Power supply input.
2. GND: Ground connection.
3. SDA: Serial data line for I2C communication.
4. SCL: Serial clock line for I2C communication.
5. IRQ: Interrupt output that can signal an event.
6. TAMPER: Tamper detection input.
7. OUT: Square wave output.
8. VBAT: Backup battery input to maintain timekeeping during power loss.
The DS1388Z-3+ provides accurate timekeeping with features like alarm functions and a programmable square wave output, making it suitable for various time-sensitive applications.

Manufacturer

The DS1388Z-3+ is manufactured by Maxim Integrated, which is well-known for its development of analog and mixed-signal integrated circuits. Maxim Integrated focuses on creating innovative semiconductor solutions used in a wide range of applications, including automotive, industrial, communications, and consumer electronics. The company specializes in products such as data converters, amplifiers, microcontrollers, power management devices, and real-time clocks, among others.
In 2021, Maxim Integrated was acquired by Analog Devices, Inc. (ADI), a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. This acquisition has allowed Analog Devices to expand its product offerings and enhance its capabilities in various sectors, including industrial automation, healthcare, and automotive systems. The DS1388Z-3+ is a real-time clock (RTC) IC, designed for precision timekeeping in various electronic applications, demonstrating Maxim Integrated's commitment to advancing technology in the semiconductor industry.

Application

The DS1388Z-3+ is a real-time clock (RTC) with a low-power design, primarily used in applications requiring timekeeping and date tracking. Common application areas include:
1. Consumer Electronics: Used in devices like digital cameras and home appliances for time stamping.
2. Industrial Equipment: In automation systems for scheduling and logging events.
3. Telecommunications: For maintaining accurate timing in network devices.
4. Medical Devices: In patient monitoring systems for logging data over time.
5. Automotive Systems: For tracking vehicle performance and diagnostics.
Its low-power consumption makes it suitable for battery-operated devices.

Package

The DS1388Z-3+ is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package).

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