25LC040/SN

Product Overview

• Category: Serial EEPROM
• Use: Non-volatile memory storage
• Characteristics: Low power consumption, high reliability, small form factor
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Data storage and retrieval
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Memory Size: 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

1. VCC
2. MISO
3. NC
4. GND
5. MOSI
6. SCK
7. CS
8. WP

Functional Features

• Byte and Page Write Modes
• Self-timed Write Cycle
• Sequential Read Operation
• Hardware and Software Protection of Data
• Schmitt Trigger Inputs

Advantages

• Low Power Consumption
• High Reliability
• Compact Size
• Easy Integration with Microcontrollers
• Long Data Retention Period

Disadvantages

• Limited Memory Size
• Slower Write Speed compared to some alternatives

Working Principles

The 25LC040/SN operates by utilizing the SPI interface to communicate with a microcontroller or other host device. It stores and retrieves data in a non-volatile manner, ensuring that the stored information is retained even when power is removed.

Detailed Application Field Plans

• Embedded Systems
• Industrial Control Systems
• Consumer Electronics
• Automotive Electronics
• Medical Devices

Detailed and Complete Alternative Models

• AT24C04 from Atmel
• CAT24C04 from ON Semiconductor
• M24C04 from STMicroelectronics

This comprehensive entry provides an in-depth understanding of the 25LC040/SN, covering its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

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