LE25S40AFDTWG

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Memory storage
• Characteristics: Non-volatile, Serial EEPROM
• Package: SOP8 (Small Outline Package 8 pins)
• Essence: Data storage and retrieval
• Packaging/Quantity: Typically sold in reels of 2,000 units

Specifications

• Memory Capacity: 4 kilobits (512 bytes)
• Interface: Serial I2C (Inter-Integrated Circuit) bus
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 100 years

Detailed Pin Configuration

The LE25S40AFDTWG IC has a total of 8 pins arranged as follows:

┌───┬───┐ │ 1 │ 8 │ ├───┼───┤ │ 2 │ 7 │ ├───┼───┤ │ 3 │ 6 │ ├───┼───┤ │ 4 │ 5 │ └───┴───┘

Pin Description: 1. VSS: Ground 2. SDA: Serial Data Input/Output 3. SCL: Serial Clock Input 4. WP: Write Protect 5. NC: No Connection 6. NC: No Connection 7. VCC: Power Supply 8. NC: No Connection

Functional Features

• Non-volatile memory: The LE25S40AFDTWG is a non-volatile memory chip, meaning it retains stored data even when power is removed.
• Serial interface: It utilizes the I2C bus protocol for communication, allowing for easy integration with other devices.
• Small form factor: The SOP8 package ensures a compact size, making it suitable for space-constrained applications.
• High endurance and data retention: With a write endurance of 1 million cycles and data retention of 100 years, the chip offers reliable long-term storage.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data persistence. - Serial interface simplifies communication with other devices. - Compact size allows for flexible integration. - High endurance and data retention provide reliability.

Disadvantages: - Limited memory capacity (4 kilobits) may not be sufficient for certain applications. - Requires an external power supply.

Working Principles

The LE25S40AFDTWG operates based on the principles of EEPROM (Electrically Erasable Programmable Read-Only Memory). It stores data in a grid of memory cells that can be electrically programmed and erased. The I2C bus is used to send commands and data to the chip, enabling read and write operations. The chip's internal circuitry manages the storage and retrieval of data.

Detailed Application Field Plans

The LE25S40AFDTWG finds application in various fields, including but not limited to: 1. Consumer electronics: Used for storing configuration settings, firmware updates, and user data in devices such as TVs, set-top boxes, and audio systems. 2. Industrial automation: Employed in control systems, sensors, and data loggers to store critical information and program parameters. 3. Automotive: Integrated into electronic modules for storing vehicle-specific data, such as mileage, calibration values, and diagnostic codes. 4. Medical devices: Utilized for storing patient data, device settings, and firmware updates in medical equipment like monitors and infusion pumps.

Detailed and Complete Alternative Models

1. LE25S80AFDTWG: Similar to LE25S40AFDTWG but with double the memory capacity (8 kilobits).
2. LE25S16AFDTWG: Offers 16 kilobits of memory capacity, suitable for applications requiring more storage.
3. LE25S64AFDTWG: Provides 64 kilobits of memory, ideal for data-intensive applications.

These alternative models offer increased memory capacity while maintaining similar characteristics and functionality as the LE25S40AFDTWG.

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