X1226S8IZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Memory storage and real-time clock functions
• Characteristics: Non-volatile, low-power, serial interface
• Package: S8 package
• Essence: Combines a 256-bit EEPROM memory with a real-time clock/calendar
• Packaging/Quantity: Available in tape and reel packaging, quantity varies

Specifications

• Memory Size: 256 bits
• Interface: Serial
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature: -40°C to +85°C
• Clock Accuracy: ±2 minutes per month at 25°C
• Data Retention: Minimum of 10 years
• Write Cycles: 1 million cycles

Detailed Pin Configuration

The X1226S8IZ IC has the following pin configuration:

1. VCC: Power supply voltage
2. GND: Ground reference
3. SDA: Serial data input/output
4. SCL: Serial clock input
5. WP: Write protect input
6. VBAT: Battery backup input
7. NC: No connection
8. NC: No connection

Functional Features

• Non-volatile memory for data storage
• Real-time clock/calendar functionality
• Low power consumption
• Serial interface for easy integration
• Battery backup support for uninterrupted operation
• Write protection feature to prevent accidental modifications

Advantages and Disadvantages

Advantages: - Compact size and integrated design - Easy to use and integrate into various applications - Low power consumption extends battery life - Reliable data retention and accuracy - Write protection prevents unauthorized modifications

Disadvantages: - Limited memory capacity (256 bits) - Clock accuracy may vary with temperature and voltage fluctuations - Requires an external battery for backup functionality

Working Principles

The X1226S8IZ combines a non-volatile EEPROM memory with a real-time clock/calendar. The memory is used to store data that needs to be retained even when the power is turned off. The real-time clock/calendar keeps track of time and date, providing accurate timekeeping functionality.

The IC communicates through a serial interface using the SDA (serial data) and SCL (serial clock) pins. It can be powered by a voltage supply (VCC) or an external battery (VBAT) for backup purposes. The WP (write protect) pin allows users to enable or disable write operations to prevent accidental modifications.

Detailed Application Field Plans

The X1226S8IZ IC finds applications in various fields, including:

1. Consumer Electronics: Used in digital cameras, portable media players, and smartwatches for timekeeping and data storage.
2. Automotive: Integrated into car audio systems, dashboard displays, and navigation devices for storing user preferences and maintaining accurate time.
3. Industrial Automation: Utilized in programmable logic controllers (PLCs), industrial timers, and control panels for data logging and time synchronization.
4. Medical Devices: Incorporated into medical equipment such as patient monitors, infusion pumps, and diagnostic devices to record vital information and maintain accurate timestamps.

Detailed and Complete Alternative Models

1. X1226H8IZ: Similar to X1226S8IZ but with extended operating temperature range (-40°C to +105°C).
2. X1226V8IZ: Variant with increased memory size (512 bits) for applications requiring more data storage.
3. X1226T8IZ: Enhanced version with improved clock accuracy and lower power consumption.

These alternative models offer similar functionality with slight variations in specifications to cater to different application requirements.

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