25LC040AT-I/SN

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Memory

Characteristics: - Low-power consumption - High-speed performance - Small form factor - Reliable data retention

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 25LC040AT-I/SN is a non-volatile memory IC that provides reliable data storage and retrieval in various electronic devices.

Packaging/Quantity: The 25LC040AT-I/SN is typically packaged in reels, with each reel containing 2500 units.

Specifications

• Memory Size: 4 Kilobits (512 bytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.5V - 5.5V
• Maximum Clock Frequency: 10 MHz
• Data Retention: Up to 200 years
• Endurance: 1 million write cycles

Pin Configuration

The 25LC040AT-I/SN has an 8-pin configuration as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | CS | Chip Select | | 2 | SCK | Serial Clock | | 3 | SI | Serial Input | | 4 | SO | Serial Output | | 5 | WP | Write Protect | | 6 | VSS | Ground | | 7 | HOLD | Hold Input | | 8 | VCC | Power Supply |

Functional Features

• Byte-level read and write operations
• Software and hardware write protection
• Sequential and random access modes
• Self-timed programming cycle
• Power-saving standby mode

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered devices - High-speed performance enables quick data access - Small form factor allows for integration in compact designs - Reliable data retention ensures long-term storage

Disadvantages: - Limited memory size may not be sufficient for certain applications - SPI interface may require additional hardware components for compatibility

Working Principles

The 25LC040AT-I/SN utilizes the Serial Peripheral Interface (SPI) to communicate with a microcontroller or other host device. It stores data in non-volatile memory cells, which retain information even when power is removed. The IC supports both read and write operations at the byte level, allowing for flexible data manipulation.

Detailed Application Field Plans

The 25LC040AT-I/SN is commonly used in various electronic devices that require non-volatile memory storage, such as: 1. Consumer electronics (e.g., smartwatches, digital cameras) 2. Industrial control systems 3. Automotive electronics 4. Medical devices 5. Internet of Things (IoT) devices

Alternative Models

Below are some alternative models that offer similar functionality:

1. AT25DF041A: Manufactured by Adesto Technologies, this IC offers 4 Megabits of memory and operates on the same SPI interface.
2. M95010-WMN6TP: Produced by STMicroelectronics, this IC provides 1 Kilobit of memory and features an extended temperature range.
3. CAT24C04WI-GT3: Manufactured by ON Semiconductor, this IC offers 4 Kilobits of memory and supports both I2C and SPI interfaces.

These alternative models can be considered based on specific project requirements and compatibility needs.

Word count: 389 words