AT25020N-10SI

Product Overview

Category

AT25020N-10SI belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

This product is commonly used for non-volatile storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile memory: The data stored in AT25020N-10SI remains even when power is removed.
• High endurance: This chip can withstand a large number of read/write cycles.
• Small form factor: The package size of AT25020N-10SI is compact, making it suitable for space-constrained applications.
• Low power consumption: It operates at low voltage levels, minimizing power requirements.
• Wide operating temperature range: AT25020N-10SI can function reliably across a broad temperature spectrum.

Package

AT25020N-10SI is available in a standard 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of AT25020N-10SI lies in its ability to provide reliable and non-volatile storage for electronic devices, ensuring data integrity even during power loss or system shutdowns.

Packaging/Quantity

AT25020N-10SI is typically sold in reels containing a specified quantity of chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory capacity: 2 kilobits (256 bytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating voltage: 1.8V to 5.5V
• Maximum clock frequency: 10 MHz
• Write endurance: 1 million cycles
• Data retention: 100 years

Detailed Pin Configuration

1. Chip Select (/CS): Used to enable or disable the chip for communication.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data into the chip.
4. Serial Data Output (SO): Outputs data from the chip during read operations.
5. Write Protect (/WP): When pulled low, prevents write operations.
6. VCC: Power supply voltage.
7. Ground (GND): Common ground reference.
8. Hold (/HOLD): Allows pausing of serial communication without losing data.

Functional Features

• Byte-level Read/Write: AT25020N-10SI allows individual bytes to be read from or written to.
• Sequential Read: It supports sequential reading of multiple bytes, reducing access time.
• Software Protection: The write protect feature ensures data integrity by preventing accidental writes.
• Hardware Protection: The hold pin allows pausing serial communication, useful in multi-master systems.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High endurance allows for frequent read/write operations.
• Compact package size suits space-constrained applications.
• Low power consumption prolongs battery life.
• Wide operating temperature range enables usage in various environments.

Disadvantages

• Limited memory capacity compared to other EEPROM chips.
• Slower write speed compared to some newer non-volatile memory technologies.

Working Principles

AT25020N-10SI utilizes the Serial Peripheral Interface (SPI) protocol for communication. It stores data in a grid of memory cells that can be electrically programmed and erased. During read operations, the stored data is retrieved by sending appropriate commands and addresses through the SPI interface.

Detailed Application Field Plans

AT25020N-10SI finds applications in various electronic devices, including but not limited to: - Microcontrollers: Used for storing program code, configuration settings, and calibration data. - Computers: Employed in BIOS chips, expansion cards, and other peripheral devices. - Consumer Electronics: Used in smart TVs, set-top boxes, digital cameras, and audio players for data storage.

Detailed and Complete Alternative Models

Some alternative models to AT25020N-10SI include: - AT25040N-10SI: Similar specifications but with double the memory capacity (4 kilobits). - AT25080N-10SI: Offers four times the memory capacity (8 kilobits) compared to AT25020N-10SI. - AT25160N-10SI: Provides sixteen times the memory capacity (32 kilobits) compared to AT25020N-10SI.

These alternative models offer increased storage capacity while maintaining similar characteristics and functionality.

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