AT25040A-10TU-2.7-T

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Data Storage

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

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

Essence: The AT25040A-10TU-2.7-T is a serial EEPROM IC that provides non-volatile data storage in various electronic devices.

Packaging/Quantity: The AT25040A-10TU-2.7-T is typically sold in reels, with each reel containing 2500 units.

Specifications

• Memory Size: 4 Kilobits (512 bytes)
• Operating Voltage: 2.7 to 5.5 Volts
• Maximum Clock Frequency: 10 MHz
• Write Time: 5 ms (typical)
• Data Retention: 100 years (minimum)
• Endurance: 1 million write cycles (minimum)

Detailed Pin Configuration

The AT25040A-10TU-2.7-T has the following pin configuration:

1. Chip Select (/CS) - Active low input used to enable or disable the device.
2. Serial Clock (SCK) - Input for synchronizing data transfer.
3. Serial Data Input (SI) - Input for receiving data during write operations.
4. Serial Data Output (SO) - Output for transmitting data during read operations.
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 Operations: The AT25040A-10TU-2.7-T supports both byte and page write operations, allowing flexible data storage.
• Sequential Read: It enables sequential read of the memory, reducing access time.
• Software Write Protection: The /WP pin can be used to protect the memory from accidental writes.
• Power-Saving Standby Mode: The IC enters a low-power standby mode when not in use, conserving energy.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention even during power loss. - Low power consumption makes it suitable for battery-powered devices. - High reliability with a long data retention period and endurance. - Compact 8-pin SOIC package allows for easy integration into various electronic systems.

Disadvantages: - Limited memory size (4 Kilobits) may not be sufficient for certain applications requiring larger storage capacity. - Slower write time compared to some other EEPROMs on the market.

Working Principles

The AT25040A-10TU-2.7-T utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data in non-volatile memory cells that can be electrically programmed and erased. The IC communicates with the host system using a serial interface, enabling efficient data transfer. The memory can be written to or read from by sending appropriate commands and data through the serial interface.

Detailed Application Field Plans

The AT25040A-10TU-2.7-T finds application in various electronic devices that require non-volatile data storage, such as: - Consumer electronics (e.g., TVs, set-top boxes) - Automotive systems (e.g., infotainment systems, engine control units) - Industrial equipment (e.g., measurement devices, control systems) - Medical devices (e.g., patient monitoring systems, diagnostic equipment)

Detailed and Complete Alternative Models

1. AT25080A-10TU-2.7-T: Similar to the AT25040A-10TU-2.7-T, but with double the memory size (8 Kilobits).
2. AT25160A-10TU-2.7-T: EEPROM IC with 16 Kilobits of memory.
3. AT25320A-10TU-2.7-T: EEPROM IC with 32 Kilobits of memory.

These alternative models offer increased memory capacity for applications that require more storage space.

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