AT25020N-10SI-2.7

Product Overview

Category

AT25020N-10SI-2.7 belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

This product is commonly used for storing small amounts of non-volatile data in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile memory: The data stored in AT25020N-10SI-2.7 remains even when power is removed.
• Electrically erasable and programmable: The memory can be erased and reprogrammed electronically.
• Small form factor: The chip is compact and suitable for integration into space-constrained devices.
• Low power consumption: AT25020N-10SI-2.7 operates efficiently with minimal power requirements.

Package

AT25020N-10SI-2.7 is available in a standard 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of AT25020N-10SI-2.7 lies in its ability to provide reliable and non-volatile storage for critical data in electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Memory capacity: 2 kilobits (256 bytes)
• Operating voltage: 2.7V to 5.5V
• Interface: Serial Peripheral Interface (SPI)
• Maximum clock frequency: 10 MHz
• Write endurance: 1 million cycles
• Data retention: 100 years

Detailed Pin Configuration

1. Chip Select (/CS): Enables communication with the chip when pulled low.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to send data from the microcontroller to the chip.
4. Serial Data Output (SO): Transmits data from the chip to the microcontroller.
5. Write Protect (/WP): When pulled low, prevents write operations.
6. VCC: Power supply voltage (2.7V to 5.5V).
7. Ground (GND): Common ground reference.
8. Hold (/HOLD): Pauses ongoing operations when pulled low.

Functional Features

• Byte-level Read/Write: Allows individual bytes of data to be read from or written to the memory.
• Sequential Read: Supports continuous reading of multiple bytes without requiring repeated address input.
• Software Protection: Provides a write protection mechanism to prevent accidental modification of stored data.
• Hardware Protection: The /WP pin can be used to disable write operations for enhanced security.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for various electronic devices.
• High write endurance ensures long-term reliability.
• Easy integration with microcontrollers through the SPI interface.
• Offers both software and hardware protection mechanisms.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write speed compared to some alternative models.
• Sensitive to electrostatic discharge (ESD) and requires proper handling during assembly.

Working Principles

AT25020N-10SI-2.7 utilizes electrically controlled floating gate transistors to store and retrieve data. The memory cells are organized into arrays, and each cell can be individually programmed or erased using electrical signals. The SPI interface facilitates communication between the microcontroller and the chip, enabling data transfer and control operations.

Detailed Application Field Plans

AT25020N-10SI-2.7 finds applications in various fields, including but not limited to: - Automotive electronics - Industrial automation - Medical devices - Consumer electronics - Communication systems

Detailed and Complete Alternative Models

1. AT25040N-10SI-2.7: Similar to AT25020N-10SI-2.7 but with double the memory capacity (4 kilobits).
2. AT25080N-10SI-2.7: Offers 8 kilobits of memory capacity, suitable for applications requiring more storage.
3. AT25160N-10SI-2.7: Provides 16 kilobits of memory, ideal for larger data storage requirements.

These alternative models offer increased memory capacity while maintaining compatibility with the same interface and package options as AT25020N-10SI-2.7.

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