X1226V8IT1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Real-Time Clock (RTC) with Non-Volatile RAM (NVRAM)
• Characteristics:
  • Combines clock/calendar functions with non-volatile memory
  • Low power consumption
  • Small form factor
  • High accuracy timekeeping
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: X1226V8IT1 is a versatile IC that provides real-time clock functionality along with non-volatile RAM storage.
• Packaging/Quantity: The X1226V8IT1 is typically sold in reels containing 250 units.

Specifications

• Clock Accuracy: ±2 minutes per month at 25°C
• Operating Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Memory Capacity: 256 bytes of non-volatile RAM
• Interface: I2C (Inter-Integrated Circuit) bus compatible
• Battery Backup: Built-in lithium coin cell battery for backup power

Detailed Pin Configuration

The X1226V8IT1 has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. SDA: Serial Data Line for I2C communication
4. SCL: Serial Clock Line for I2C communication
5. WP: Write Protect pin for protecting NVRAM data
6. VBAT: Battery input for backup power
7. NC: No Connection
8. NC: No Connection

Functional Features

• Real-time clock with calendar functions
• Automatic leap year compensation
• Alarm and timer functions
• Battery-backed non-volatile RAM for data storage
• Power-fail detection and switch circuitry
• Low power consumption in battery backup mode

Advantages and Disadvantages

Advantages: - Integration of clock/calendar and non-volatile RAM in a single IC - High accuracy timekeeping - Small form factor - Low power consumption

Disadvantages: - Limited non-volatile RAM capacity (256 bytes) - Reliance on battery backup for data retention

Working Principles

The X1226V8IT1 combines a real-time clock with non-volatile RAM to provide accurate timekeeping along with data storage capabilities. The clock circuitry uses an internal oscillator to keep track of time, while the non-volatile RAM allows for persistent storage of critical information even when power is lost. The IC also includes power-fail detection circuitry to switch seamlessly between main power and battery backup.

Detailed Application Field Plans

The X1226V8IT1 finds applications in various fields, including:

1. Consumer Electronics: Used in digital cameras, set-top boxes, and home appliances to maintain accurate time and store user settings.
2. Industrial Automation: Integrated into control systems and programmable logic controllers (PLCs) to synchronize operations and retain critical data during power outages.
3. Automotive: Incorporated into vehicle dashboard displays and infotainment systems for accurate timekeeping and storing user preferences.
4. Medical Devices: Utilized in medical equipment such as patient monitors and infusion pumps to record timestamps and store vital information.

Detailed and Complete Alternative Models

1. DS1307: Real-Time Clock IC with I2C interface and 56 bytes of non-volatile RAM.
2. PCF8563: Low-power RTC IC with I2C interface and 240 bytes of non-volatile RAM.
3. MCP7940N: Real-Time Clock IC with I2C interface, battery backup, and 64 bytes of non-volatile RAM.

(Note: The above alternative models are provided for reference and may have different specifications and pin configurations.)

This entry provides a comprehensive overview of the X1226V8IT1, including its product details, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.