25AA160C-I/ST

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Memory

Characteristics: - Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) - Low-power consumption - High-speed performance - Small form factor - Reliable data retention - Easy to integrate into various electronic systems

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 25AA160C-I/ST is a serial EEPROM IC that provides non-volatile memory storage for electronic devices. It offers reliable data retention and high-speed performance while consuming minimal power.

Packaging/Quantity: The 25AA160C-I/ST is available in a SOIC package, which stands for Small Outline Integrated Circuit. It is commonly supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Memory Size: 16 kilobits (2 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 1.8V - 5.5V
• Maximum Clock Frequency: 10 MHz
• Write Endurance: 1 million cycles
• Data Retention: 200 years
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 25AA160C-I/ST has an 8-pin configuration as follows:

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 input (1.8V - 5.5V).
7. Ground (GND) - Common ground reference.
8. Hold (/HOLD) - Input used to pause serial communication.

Functional Features

• Byte and Page Write Operations: Allows individual byte or page (up to 32 bytes) write operations for flexible data storage.
• Sequential Read: Enables sequential read of the memory contents, reducing access time.
• Software Protection: Provides software protection by allowing the write protect pin (/WP) to be enabled or disabled.
• Hardware Protection: Supports hardware protection by using the hold pin (/HOLD) to pause serial communication during critical operations.
• Self-Timed Erase/Write Cycle: Automatically manages erase/write cycles, simplifying operation.

Advantages and Disadvantages

Advantages: - Compact size and low power consumption make it suitable for portable devices. - High-speed performance allows for efficient data transfer. - Reliable data retention ensures long-term storage integrity. - Easy integration into various electronic systems due to its standard SPI interface.

Disadvantages: - Limited memory capacity compared to other non-volatile memory options. - Requires an external microcontroller or host device for communication and control.

Working Principles

The 25AA160C-I/ST utilizes the Serial Peripheral Interface (SPI) protocol for communication with a microcontroller or host device. It stores data in non-volatile memory cells that can be electrically erased and reprogrammed. The device operates by shifting data bits in and out through the SI and SO pins, synchronized by the clock signal on the SCK pin. The /CS pin is used to enable or disable the device for communication.

Detailed Application Field Plans

The 25AA160C-I/ST is widely used in various applications, including but not limited to: - Consumer electronics - Automotive systems - Industrial automation - Medical devices - Communication equipment

In consumer electronics, it can be found in smartwatches, fitness trackers, and portable audio players. In automotive systems, it is used for storing configuration data, firmware updates, and event logging. Industrial automation applications include programmable logic controllers (PLCs) and sensor calibration. Medical devices utilize it for patient data storage and device configuration. Communication equipment such as routers and modems also benefit from its non-volatile memory capabilities.

Detailed and Complete Alternative Models

1. 25AA320-I/SN: 32 kilobits (4 kilobytes) serial EEPROM with similar features and package.
2. 25LC256-I/SN: 256 kilobits (32 kilobytes) serial EEPROM with extended memory capacity.
3. 24AA02E48-I/OT: 2 kilobits (256 bytes) serial EEPROM with an extended temperature range.

These alternative models offer different memory capacities and additional features to suit specific application requirements.

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