AT25040AY1-10YI-1.8

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Data storage and retrieval

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 AT25040AY1-10YI-1.8 is a serial EEPROM IC that provides non-volatile data storage and retrieval capabilities in various electronic devices.

Packaging/Quantity: The AT25040AY1-10YI-1.8 is typically packaged in reels, with each reel containing 2,000 units.

Specifications

• Memory Size: 4 Kilobits (512 bytes)
• Interface: Serial Peripheral Interface (SPI)
• 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 AT25040AY1-10YI-1.8 has the following pin configuration:

1. Chip Select (/CS) - Active low input used to enable/disable the device.
2. Serial Clock (SCK) - Input for synchronizing data transfer.
3. Serial Data Input (SI) - Input for shifting data into the device.
4. Serial Data Output (SO) - Output for shifting data out of the device.
5. Write Protect (/WP) - Input used to protect the memory from accidental writes.
6. VCC - Power supply voltage.
7. Ground (GND) - Ground reference.
8. Hold (/HOLD) - Input used to pause serial communication temporarily.

Functional Features

• Byte and Page Write Modes: Allows individual byte or multiple bytes to be written at once.
• Sequential Read Mode: Enables sequential reading of data from the memory.
• Software Protection: Provides write protection by using the Write Protect (/WP) pin.
• Hardware Protection: Supports hardware protection of the entire memory array.
• Self-timed Programming Cycle: Automatically manages internal timing during write operations.

Advantages

• Non-volatile memory ensures data retention even when power is lost.
• Serial interface allows for easy integration with microcontrollers and other devices.
• Low power consumption makes it suitable for battery-powered applications.
• High reliability ensures consistent performance over extended periods.
• Small form factor saves valuable board space in compact designs.

Disadvantages

• Limited storage capacity compared to larger EEPROM or flash memory devices.
• Slower write and erase times compared to some other memory technologies.
• Requires additional circuitry for voltage level translation if used with higher voltage systems.

Working Principles

The AT25040AY1-10YI-1.8 utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It uses a serial interface (SPI) to communicate with a host device, enabling efficient data transfer. The memory can be written to and read from using specific commands sent through the SPI interface.

Detailed Application Field Plans

The AT25040AY1-10YI-1.8 finds application in various electronic devices that require non-volatile data storage, such as: - Consumer electronics (e.g., smart TVs, set-top boxes) - Automotive systems (e.g., infotainment, engine control units) - Industrial equipment (e.g., sensors, control systems) - Medical devices (e.g., patient monitoring, diagnostic equipment)

Detailed and Complete Alternative Models

Some alternative models to the AT25040AY1-10YI-1.8 include: - AT25080AY1-10YI-1.8: 8 Kilobit (1 kilobyte) version of the same EEPROM IC. - AT25160AY1-10YI-1.8: 16 Kilobit (2 kilobytes) version of the same EEPROM IC. - AT25256AY1-10YI-1.8: 256 Kilobit (32 kilobytes) version of the same EEPROM IC.

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

In conclusion, the AT25040AY1-10YI-1.8 is a reliable and efficient serial EEPROM IC that provides non-volatile data storage capabilities in various electronic devices. Its small form factor, low power consumption, and high reliability make it suitable for a wide range of applications.