25LC040AT-I/MS

Product Overview

Category

The 25LC040AT-I/MS belongs to the category of serial EEPROM (Electrically Erasable Programmable Read-Only Memory) integrated circuits.

Use

This product is commonly used for non-volatile data storage in various electronic devices, including consumer electronics, automotive systems, industrial equipment, and more.

Characteristics

• Non-volatile memory
• Serial interface
• Low power consumption
• Small form factor
• High reliability

Package

The 25LC040AT-I/MS is typically available in a small surface-mount package, making it suitable for compact designs and PCB integration.

Essence

The essence of this product lies in its ability to store and retrieve data reliably in a wide range of applications while consuming minimal power.

Packaging/Quantity

The 25LC040AT-I/MS is usually supplied in tape and reel packaging, with quantities varying based on the manufacturer's specifications.

Specifications

• Memory Capacity: 4 Kbits
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 2.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 25LC040AT-I/MS features a standard 8-pin configuration, including power supply pins, SPI communication pins, and write protection pins. The pinout is as follows:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input/Output (SI/O)
4. Ground (GND)
5. Write Protect (/WP)
6. VCC
7. Not Connected (NC)
8. Serial Data Output (SO)

Functional Features

• Byte and Page Write Modes
• Sequential Read Operation
• Software and Hardware Write Protection
• Self-timed Write Cycle
• Unrestricted Read and Write Operations

Advantages and Disadvantages

Advantages

• Low power consumption
• Compact form factor
• High reliability and endurance
• Wide operating voltage range
• Flexible write protection options

Disadvantages

• Limited storage capacity compared to larger EEPROMs
• Slower write speeds compared to some other memory technologies

Working Principles

The 25LC040AT-I/MS operates by utilizing the SPI interface to communicate with the host microcontroller or system. It stores data using electrically programmable memory cells, allowing for non-volatile data retention even when power is removed.

Detailed Application Field Plans

This product is well-suited for applications requiring reliable non-volatile data storage, such as: - Sensor calibration data storage in automotive systems - Firmware storage in consumer electronics - Configuration parameter storage in industrial control systems - Data logging in IoT (Internet of Things) devices

Detailed and Complete Alternative Models

• 25LC080B-I/MS: 8 Kbit capacity
• 25AA040A-I/MS: Same capacity with different interface (I2C)
• 24LC04B-I/MS: Similar capacity with lower voltage range support

In conclusion, the 25LC040AT-I/MS offers a reliable and efficient solution for non-volatile data storage in various electronic applications, making it a valuable component in modern embedded systems.

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