AT25128A-10PU-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: PDIP (Plastic Dual In-Line Package)

Essence: AT25128A-10PU-1.8 is a serial EEPROM IC used for non-volatile data storage and retrieval in various electronic devices.

Packaging/Quantity: The AT25128A-10PU-1.8 is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Memory Size: 128 kilobits (16 kilobytes)
• Organization: 16,384 x 8 bits
• Supply Voltage: 1.8V
• Interface: Serial Peripheral Interface (SPI)
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 100 years

Detailed Pin Configuration

The AT25128A-10PU-1.8 has a total of 8 pins:

1. Chip Select (/CS): Used to enable or disable the device for communication.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data into the device.
4. Serial Data Output (SO): Outputs data from the device.
5. Write Protect (/WP): When held low, prevents write operations.
6. VCC: Power supply voltage (1.8V).
7. Ground (GND): Common ground reference.
8. Hold (/HOLD): Suspends ongoing operations when held low.

Functional Features

• Byte and Page Write Operations: Allows data to be written in single-byte or page mode.
• Sequential Read: Enables sequential reading of data from the memory.
• Software Protection: Provides write protection by using a software command.
• Hardware Protection: Utilizes the Write Protect (/WP) pin for hardware-based write protection.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention even without power supply. - Low power consumption makes it suitable for battery-powered devices. - High reliability with 1 million write endurance cycles. - Small form factor allows integration into compact electronic devices.

Disadvantages: - Limited storage capacity compared to other memory technologies. - Slower write and erase operations compared to some alternative models. - Requires an external microcontroller or host device for communication.

Working Principles

The AT25128A-10PU-1.8 utilizes EEPROM technology, which allows for non-volatile data storage. It uses a Serial Peripheral Interface (SPI) for communication with an external microcontroller or host device. The IC can be accessed by enabling the Chip Select (/CS) pin and providing clock and data signals through the Serial Clock (SCK) and Serial Data Input (SI) pins, respectively. Data can be read from or written to the device using specific commands.

Detailed Application Field Plans

The AT25128A-10PU-1.8 finds applications 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, instrument clusters) - Industrial control systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

1. AT25080A-10PU-2.7: Similar to AT25128A-10PU-1.8 but with a higher supply voltage of 2.7V.
2. AT25256A-10PU-1.8: Doubles the memory size to 256 kilobits (32 kilobytes) while maintaining the same supply voltage and package type.

These alternative models provide options with different memory capacities and supply voltages, allowing for flexibility in design and application requirements.

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