DS3234SN#

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DS3234SN#

+BOM

IC RTC CLK/CALENDAR SPI 20-SOIC

  • 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 #DS3234SN#

  • パッケージ SOIC-20

  • 在庫状況6507

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
Package / Case Tube
Part Status Active
Type Clock/Calendar
Features Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal
Memory Size 256B
Time Format HH:MM:SS (12/24 hr)
Date Format YY-MM-DD-dd
Interface SPI
Voltage - Supply 2V ~ 5.5V
Voltage - Supply, Battery 2V ~ 3.8V
Current - Timekeeping(Max) 120µA ~ 160µA @ 3.63V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount

概要

Description

The DS3234SN# is a high-precision real-time clock (RTC) module manufactured by Maxim Integrated. It is designed to track time and date accurately, even when the main system power is off. The module includes features such as a temperature-compensated crystal oscillator (TCXO) for improved accuracy, ensuring timekeeping stability across a wide range of temperatures. It operates with a supply voltage typically between 2.3V and 5.5V and includes a built-in digital temperature sensor, which can be accessed via the SPI interface.
The DS3234SN# also offers features such as two programmable alarms, a 256-byte battery-backed SRAM, and a century byte to simplify date calculations that span across centuries. It is commonly used in applications that require precise timekeeping, such as data loggers, industrial systems, and consumer electronics. With its low power consumption and backup battery functionality, it remains a reliable choice for maintaining accurate timekeeping in a variety of applications.

Equivalent

The DS3234SN# is a high-precision real-time clock (RTC) module with integrated temperature-compensated crystal oscillator. Equivalent products include:
1. DS3231: Also a temperature-compensated RTC with similar features.
2. Abracon AB08X5: A family of RTCs with low power consumption.
3. Microchip MCP79410: Offers EEPROM and unique ID features.
4. NXP PCF2129AT: A low-power RTC with an integrated crystal.
Always verify specific requirements like temperature range and power consumption for compatibility.

Features

The DS3234SN# is a highly accurate real-time clock (RTC) integrated circuit. Key features include:
1. Precision Timekeeping: Provides time and calendar information including seconds, minutes, hours, day, date, month, and year with leap-year compensation valid up to 2100.
2. SPI Interface: Uses a Serial Peripheral Interface (SPI) for easy communication with microcontrollers.
3. Temperature-Compensated Crystal Oscillator (TCXO): Ensures high accuracy with a built-in temperature-compensated oscillator.
4. Battery Backup: Supports operation from a backup battery, maintaining timekeeping even when main power is lost.
5. Programmable Alarms: Two programmable time-of-day alarms for added flexibility.
6. Temperature Sensor: On-chip temperature sensor with ±3°C accuracy.
7. 32kHz Output: Provides a stable clock signal for other digital components.
8. Non-Volatile Memory: 256 bytes of battery-backed SRAM for user data storage.
9. Wide Range of Operating Temperature: Functions reliably over an extended temperature range, suitable for industrial applications.
10. Low Power Consumption: Optimal for battery-powered applications.
These features make the DS3234SN# ideal for applications requiring precise timekeeping and long-term reliability.

Pinout

The DS3234SN# is a real-time clock (RTC) IC with an SPI interface. It typically comes in a 20-pin SOIC package. Key functions include timekeeping, calendar functionality, alarms, and temperature-compensated crystal oscillator (TCXO) for high accuracy. It also features battery-backed SRAM and a temperature sensor. The pin functions include power supply pins, SPI interface pins (MISO, MOSI, SCLK, and CS), and other control pins necessary for its operation.

Manufacturer

The DS3234SN# is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated was known for designing, manufacturing, and selling analog and mixed-signal integrated circuits for various markets, including automotive, industrial, healthcare, and consumer electronics. Analog Devices is a global semiconductor company specializing in data conversion, signal processing, and power management technology.

Application

The DS3234SN# is a high-precision real-time clock (RTC) module with an integrated temperature-compensated crystal oscillator. Its application areas include timekeeping in consumer electronics, industrial automation, and communication equipment. It's commonly used in systems requiring accurate timekeeping like servers, network routers, and data loggers. It also finds applications in smart metering, GPS systems, and other portable devices where low power consumption and high precision are essential. Additionally, it can be used in safety-critical systems like automotive electronics, where maintaining accurate time and date information is crucial. Its SPI interface allows for easy integration with microcontrollers and digital systems, adding to its versatility.

Package

The DS3234SN# is a real-time clock (RTC) IC from Maxim Integrated, featuring a serial interface, temperature-compensated crystal oscillator (TCXO), and SPI communication. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package type.

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