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MCP79511T-I/MS
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MCP79511T-I/MS

Product Overview

  • Category: Integrated Circuit
  • Use: Real-Time Clock (RTC) with EEPROM
  • Characteristics: Low-power, I2C interface, battery backup
  • Package: MSOP-8
  • Essence: Timekeeping and data storage
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Supply Voltage: 1.8V to 5.5V
  • Clock Accuracy: ±2 minutes per year at 25°C
  • EEPROM Size: 512 bytes
  • I2C Bus Frequency: 100 kHz or 400 kHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  • Pin 1: VSS (Ground)
  • Pin 2: SDA (I2C Data)
  • Pin 3: SCL (I2C Clock)
  • Pin 4: VBAT (Battery Input)
  • Pin 5: WP (Write Protect)
  • Pin 6: VDD (Power Supply)
  • Pin 7: NC (No Connection)
  • Pin 8: SQW/INT (Square Wave Output/Interrupt)

Functional Features

  • Real-time clock/calendar
  • Alarm functions
  • Power-fail timestamp
  • Battery switchover
  • 64-bit unique ID

Advantages

  • Low power consumption
  • Small package size
  • Wide operating voltage range
  • Battery backup for timekeeping

Disadvantages

  • Limited EEPROM capacity
  • No temperature-compensated crystal oscillator (TCXO)

Working Principles

The MCP79511T-I/MS integrates a real-time clock with EEPROM, utilizing an I2C interface for communication. It maintains accurate timekeeping and provides non-volatile data storage using a small external battery.

Detailed Application Field Plans

  • Embedded systems
  • IoT devices
  • Wearable electronics
  • Industrial automation

Detailed and Complete Alternative Models

  1. DS3231 - Real-Time Clock Module
  2. PCF85263A - I2C-bus RTC and calendar

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技術ソリューションにおける MCP79511T-I/MS の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the operating voltage range of MCP79511T-I/MS?
    - The operating voltage range of MCP79511T-I/MS is 1.8V to 5.5V.

  2. Can MCP79511T-I/MS operate in extreme temperatures?
    - Yes, MCP79511T-I/MS can operate in a wide temperature range from -40°C to +125°C.

  3. What is the typical accuracy of MCP79511T-I/MS's real-time clock (RTC)?
    - The typical accuracy of MCP79511T-I/MS's RTC is ±2 minutes per month at 25°C.

  4. Does MCP79511T-I/MS have battery backup for its RTC?
    - Yes, MCP79511T-I/MS has a battery backup input for its RTC.

  5. What communication interfaces does MCP79511T-I/MS support?
    - MCP79511T-I/MS supports I2C and SPI communication interfaces.

  6. Can MCP79511T-I/MS be used in battery-powered applications?
    - Yes, MCP79511T-I/MS is suitable for battery-powered applications due to its low power consumption.

  7. Is MCP79511T-I/MS compatible with microcontrollers from different manufacturers?
    - Yes, MCP79511T-I/MS is compatible with microcontrollers from various manufacturers.

  8. What are the available package options for MCP79511T-I/MS?
    - MCP79511T-I/MS is available in a 8-pin MSOP package.

  9. Does MCP79511T-I/MS have programmable alarms?
    - Yes, MCP79511T-I/MS features two independent programmable alarms.

  10. Can MCP79511T-I/MS be used in automotive applications?
    - Yes, MCP79511T-I/MS is AEC-Q100 qualified and suitable for automotive applications.