25LC040A/WF16K

Product Overview

Category

The 25LC040A/WF16K belongs to the category of serial EEPROM (Electrically Erasable Programmable Read-Only Memory) devices.

Use

It is commonly used for non-volatile data storage in various electronic systems, including consumer electronics, industrial equipment, and automotive applications.

Characteristics

• Package: The 25LC040A/WF16K is available in a small form factor package suitable for surface mount applications.
• Essence: This device offers reliable and low-power data storage capabilities.
• Packaging/Quantity: Typically supplied in tape and reel packaging, with varying quantities based on customer requirements.

Specifications

The 25LC040A/WF16K features: - Capacity: 4 Kbits - Interface: SPI (Serial Peripheral Interface) - Operating Voltage: 2.5V - 5.5V - Operating Temperature: -40°C to +85°C - Write Endurance: 1,000,000 cycles - Data Retention: >200 years

Detailed Pin Configuration

The pin configuration of the 25LC040A/WF16K includes standard SPI interface pins such as Chip Select (CS), Serial Clock (SCK), Serial Data In (SDI), Serial Data Out (SDO), and additional power and ground pins.

Functional Features

• Non-Volatile Storage: Retains stored data even when power is removed.
• SPI Interface: Allows for simple and efficient communication with microcontrollers and other devices.
• Low Power Consumption: Ideal for battery-powered applications.

Advantages and Disadvantages

Advantages

• Small form factor
• High write endurance
• Wide operating voltage range

Disadvantages

• Limited capacity compared to larger EEPROM devices
• Slower write speeds compared to some other non-volatile memory technologies

Working Principles

The 25LC040A/WF16K utilizes a floating gate transistor structure to store data electrically. When data is written, charge is trapped on the floating gate, altering the transistor's behavior and storing the information.

Detailed Application Field Plans

The 25LC040A/WF16K is well-suited for use in: - Automotive control modules - Industrial automation systems - Smart home devices - Wearable electronics

Detailed and Complete Alternative Models

Some alternative models to the 25LC040A/WF16K include: - AT24C04 from Microchip - CAT24C04 from ON Semiconductor - M24C04 from STMicroelectronics

In conclusion, the 25LC040A/WF16K provides a reliable and compact solution for non-volatile data storage in a wide range of electronic applications, offering a balance of capacity, performance, and power efficiency.

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