AT25320AY1-10YI-1.8

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Memory chip

Characteristics: - Non-volatile memory - Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) - Low power consumption - High reliability - Small form factor

Package: 8-pin SOIC (Small Outline Integrated Circuit)

Essence: The AT25320AY1-10YI-1.8 is a serial EEPROM memory chip that provides non-volatile storage for electronic devices.

Packaging/Quantity: The AT25320AY1-10YI-1.8 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Memory Size: 32 kilobits (4 kilobytes)
• Interface: SPI (Serial Peripheral Interface)
• Supply Voltage: 1.8V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 100 years

Detailed Pin Configuration

The AT25320AY1-10YI-1.8 has the following pin configuration:

1. Chip Select (/CS) - Active low input used to enable/disable the chip.
2. Serial Clock (SCK) - Input for synchronizing data transfer.
3. Serial Data Input (SI) - Input for receiving data from the microcontroller.
4. Serial Data Output (SO) - Output for transmitting data to the microcontroller.
5. Write Protect (/WP) - Input for write protection.
6. VCC - Power supply voltage (1.8V).
7. Ground (GND) - Ground reference.
8. Hold (/HOLD) - Input for suspending serial communication.

Functional Features

• Byte and Page Write Operations: The AT25320AY1-10YI-1.8 supports both byte and page write operations, allowing flexible data storage.
• Software Protection: The chip provides a write protection feature that can be controlled by the microcontroller, preventing accidental modification of stored data.
• High-Speed SPI Interface: The Serial Peripheral Interface (SPI) allows for fast and efficient communication between the memory chip and the microcontroller.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention even when power is lost. - Low power consumption makes it suitable for battery-powered devices. - Small form factor enables integration into compact electronic systems. - High reliability ensures long-term data storage.

Disadvantages: - Limited storage capacity compared to other memory technologies. - Slower write speeds compared to some other memory types.

Working Principles

The AT25320AY1-10YI-1.8 utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It stores information in a grid of memory cells, with each cell capable of holding one bit of data. The memory cells are organized into pages, and data can be written or read on a byte-by-byte basis.

During write operations, the microcontroller sends data to the memory chip through the SPI interface. The chip then stores the data in the appropriate memory cells. Reading data involves retrieving the stored information from the memory cells and transmitting it back to the microcontroller.

Detailed Application Field Plans

The AT25320AY1-10YI-1.8 is widely used in various electronic devices and applications, including but not limited to: - Consumer electronics - Automotive systems - Industrial control systems - Medical devices - Communication equipment

It is commonly employed for storing configuration settings, calibration data, encryption keys, and other critical information that needs to be retained even when power is removed.

Detailed and Complete Alternative Models

Some alternative models to the AT25320AY1-10YI-1.8 include: - AT25080A-10PU-2.7: 8 kilobit (1 kilobyte) EEPROM with a different package and voltage specifications. - AT25640B-SSHL-T: 64 kilobit (8 kilobyte) EEPROM with extended temperature range and different pin configuration. - AT25256A-10PI-2.5: 256 kilobit (32 kilobyte) EEPROM with higher storage capacity and different package type.

These alternative models offer varying capacities, voltage requirements, and form factors to suit different application needs.

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