AT25020A-10PU-2.7

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Serial EEPROM Memory
• Characteristics:
  • Low-power CMOS technology
  • High-speed operation
  • Wide voltage range (2.7V to 5.5V)
  • Small form factor
• Package: PDIP (Plastic Dual In-line Package)
• Essence: The AT25020A-10PU-2.7 is a 2K-bit electrically erasable programmable read-only memory (EEPROM) organized as 256 x 8 bits.
• Packaging/Quantity: Available in tubes, reels, or trays with various quantities.

Specifications

• Memory Size: 2K bits
• Organization: 256 x 8 bits
• Operating Voltage: 2.7V to 5.5V
• Interface: Serial Peripheral Interface (SPI)
• Write Time: 5ms (typical)
• Data Retention: 100 years (minimum)
• Endurance: 1 million write cycles (minimum)

Detailed Pin Configuration

The AT25020A-10PU-2.7 has an 8-pin PDIP package with the following pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | CS | Chip Select (active low) | | 2 | DO | Data Output | | 3 | WP | Write Protect (active low) | | 4 | GND | Ground | | 5 | DI | Data Input | | 6 | CLK | Clock Input | | 7 | NC | No Connection | | 8 | VCC | Power Supply (2.7V to 5.5V) |

Functional Features

• Non-volatile memory: Retains data even when power is disconnected.
• Serial interface: Uses SPI for easy integration with microcontrollers and other devices.
• High-speed operation: Allows for fast read and write operations.
• Low-power consumption: Ideal for battery-powered applications.
• Write protection: Can be protected from accidental writes using the WP pin.

Advantages and Disadvantages

Advantages: - Small form factor allows for space-efficient designs. - Wide voltage range enables compatibility with various systems. - High endurance ensures reliable and long-lasting performance. - Easy integration with microcontrollers through the SPI interface.

Disadvantages: - Limited storage capacity compared to larger EEPROMs. - Slower write time compared to some other memory technologies. - Vulnerable to electrical noise due to its serial nature.

Working Principles

The AT25020A-10PU-2.7 operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It uses a floating gate transistor structure to store and retrieve digital information. The memory cells can be electrically programmed and erased, allowing for non-volatile data storage.

Detailed Application Field Plans

The AT25020A-10PU-2.7 is commonly used in various electronic devices and systems, including but not limited to: - Consumer electronics - Automotive applications - Industrial control systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT25020A-10PU-2.7 include: - AT25040A-10PU-2.7: 4K-bit EEPROM with the same package and characteristics. - AT25080A-10PU-2.7: 8K-bit EEPROM with the same package and characteristics. - AT25160A-10PU-2.7: 16K-bit EEPROM with the same package and characteristics.

These alternative models provide different memory sizes while maintaining compatibility with the AT25020A-10PU-2.7 in terms of pin configuration, interface, and voltage range.

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