X1227V8-2.7A

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Real-Time Clock (RTC) with Non-Volatile Memory (NVM)
• Characteristics:
  • Low power consumption
  • Small package size
  • High accuracy timekeeping
  • Non-volatile memory for data storage
• Package: VDFN-8 (Very Thin Dual Flat No-Lead)
• Essence: X1227V8-2.7A is a real-time clock IC designed for accurate timekeeping and non-volatile data storage.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Timekeeping Accuracy: ±2ppm at 25°C
• Operating Temperature Range: -40°C to +85°C
• Memory Size: 256 bytes of non-volatile RAM
• Clock Frequency: 32.768kHz
• Battery Backup Voltage: 1.8V to 5.5V
• I2C Bus Interface: Supports standard and fast mode (100kHz and 400kHz)

Detailed Pin Configuration

The X1227V8-2.7A IC has the following pin configuration:

| Pin Name | Function | |----------|----------| | VBAT | Battery Backup Voltage Input | | GND | Ground | | SDA | Serial Data Line | | SCL | Serial Clock Line | | VCC | Power Supply Voltage | | IRQ | Interrupt Output | | N/C | No Connection | | N/C | No Connection |

Functional Features

• Real-Time Clock: Provides accurate timekeeping with low power consumption.
• Non-Volatile Memory: Allows storing and retrieving data even when power is lost.
• Battery Backup: Supports battery backup to ensure continuous operation during power outages.
• I2C Interface: Enables easy communication with other devices using the I2C bus protocol.
• Interrupt Output: Provides an interrupt signal for time-related events or alarms.

Advantages and Disadvantages

Advantages: - High accuracy timekeeping - Low power consumption - Compact package size - Non-volatile memory for data storage

Disadvantages: - Limited memory size (256 bytes) - Requires an external battery for backup

Working Principles

The X1227V8-2.7A utilizes a quartz crystal oscillator to generate a precise 32.768kHz clock signal. This clock signal is used for timekeeping and synchronization purposes. The IC also incorporates non-volatile RAM, which allows storing critical data even when power is lost. The I2C interface enables communication with other devices, facilitating integration into various applications.

Detailed Application Field Plans

The X1227V8-2.7A is commonly used in applications that require accurate timekeeping and non-volatile data storage. Some of the typical application fields include: - Smart meters - Industrial automation systems - Medical devices - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• X1226V8-2.7A: Similar to X1227V8-2.7A but with a smaller memory size (128 bytes).
• X1228V8-2.7A: Similar to X1227V8-2.7A but with a larger memory size (512 bytes).
• DS3231: Real-time clock IC with temperature compensation and alarm features.

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

This encyclopedia entry provides an overview of the X1227V8-2.7A real-time clock IC. It includes basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models. The X1227V8-2.7A is a versatile IC suitable for various applications that require accurate timekeeping and non-volatile data storage.