AT25256AN-10SI-1.8

Product Overview

Category

AT25256AN-10SI-1.8 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 electronic devices such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile memory: The data stored in AT25256AN-10SI-1.8 remains intact even when power is removed.
• Electrically erasable: The memory can be erased and reprogrammed electrically, without requiring a separate UV light source.
• High storage capacity: AT25256AN-10SI-1.8 has a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: This chip operates at a low voltage and consumes minimal power during read and write operations.

Package

AT25256AN-10SI-1.8 is available in an industry-standard 8-pin Small Outline Integrated Circuit (SOIC) package.

Essence

The essence of AT25256AN-10SI-1.8 lies in its ability to provide reliable and non-volatile storage for critical data in various electronic applications.

Packaging/Quantity

This product is typically sold in reels containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 1.8V
• Maximum Clock Frequency: 10 MHz
• Write Endurance: 1 million cycles
• Data Retention: 100 years
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. Chip Select (/CS): Enables communication with the chip when set to a low logic level.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Transfers data from the microcontroller to the chip.
4. Serial Data Output (SO): Transfers data from the chip to the microcontroller.
5. Write Protect (/WP): When set to a low logic level, prevents write operations.
6. VCC: Power supply voltage (1.8V).
7. Ground (GND): Common ground reference.
8. Hold (/HOLD): Pauses ongoing operations when set to a low logic level.

Functional Features

• Byte and Page Write Operations: AT25256AN-10SI-1.8 supports both byte-level and page-level write operations, allowing flexible data storage.
• Sequential Read: The chip enables sequential read operations, allowing efficient retrieval of stored data.
• Software Protection: The write protect pin (/WP) can be used to prevent accidental modification of stored data.
• Hardware Protection: The hold pin (/HOLD) allows pausing ongoing operations, ensuring data integrity during critical moments.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even in the absence of power.
• Electrically erasable and reprogrammable, eliminating the need for additional equipment.
• High storage capacity for various applications.
• Low power consumption, suitable for battery-powered devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write speeds compared to some alternative models.
• Sensitive to electrostatic discharge (ESD), requiring proper handling precautions.

Working Principles

AT25256AN-10SI-1.8 utilizes an SPI interface to communicate with the microcontroller. It stores data in non-volatile memory cells that can be electrically erased and reprogrammed. The chip operates at a low voltage and consumes minimal power during read and write operations.

Detailed Application Field Plans

AT25256AN-10SI-1.8 finds applications in various electronic devices, including but not limited to: - Microcontrollers - Computers - Consumer electronics - Automotive systems - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to AT25256AN-10SI-1.8 include: - AT25SF041: 4-megabit Serial Flash Memory - AT24C256: 256-kilobit I2C EEPROM - AT93C66A: 4-kilobit Microwire Serial EEPROM - AT45DB161E: 16-megabit DataFlash Memory

These alternative models offer different capacities, interfaces, and features, allowing users to choose the most suitable option for their specific requirements.

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