25C080T/SN

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Memory

Characteristics: - Low power consumption - High reliability - Wide operating voltage range - Small package size

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 25C080T/SN is a non-volatile memory IC that provides storage for data even when the power is turned off. It is commonly used in various electronic devices to store configuration settings, calibration data, and other important information.

Packaging/Quantity: The 25C080T/SN is available in a SOIC package with a quantity of 100 units per reel.

Specifications

• Memory Size: 8 kilobits (1 kilobyte)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage Range: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 100 years

Detailed Pin Configuration

The 25C080T/SN has a total of 8 pins, which are as follows:

1. Chip Select (/CS) - Used to enable or disable the device.
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) - Allows or prevents write operations.
6. VCC - Power supply voltage.
7. Ground (GND) - Common ground reference.
8. Hold (/HOLD) - Suspends serial communication temporarily.

Functional Features

• Byte and Page Write Operations: The 25C080T/SN supports both byte and page write operations, allowing for flexible data storage.
• Sequential Read: It enables sequential read of the memory, making it efficient for accessing consecutive data.
• Software Protection: The write protect pin (/WP) can be used to prevent accidental modification of stored data.
• High-Speed Performance: With a maximum clock frequency of 10 MHz, the 25C080T/SN offers fast data transfer rates.

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered devices. - High reliability ensures data integrity even in harsh environments. - Wide operating voltage range allows compatibility with various systems. - Small package size saves board space.

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

Working Principles

The 25C080T/SN is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a floating gate transistor structure to store and retrieve data. When data needs to be written, a high voltage is applied to the gate, which traps charge in the floating gate, representing a logical "1" or "0". To read the data, the charge level in the floating gate is measured, determining the stored value.

Detailed Application Field Plans

The 25C080T/SN finds applications in various electronic devices that require non-volatile memory storage. Some common application fields include:

1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio/video equipment for storing user preferences and settings.
2. Automotive: Employed in automotive electronics for storing calibration data, configuration settings, and event logs.
3. Industrial Control Systems: Utilized in industrial automation systems for storing parameter settings, production data, and firmware updates.
4. Medical Devices: Integrated into medical equipment for storing patient data, device configurations, and software updates.

Detailed and Complete Alternative Models

1. 25C040T/SN: A similar IC with half the memory size (4 kilobits) but otherwise identical specifications.
2. 25C160T/SN: A higher capacity IC with 16 kilobits of memory, suitable for applications requiring more storage space.
3. 25AA080C-I/SN: An alternative IC from a different manufacturer, offering the same memory size and functionality.

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