Encyclopedia Entry: 25C080T-E/SN

Product Overview

Category

The 25C080T-E/SN belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

This product is primarily used for non-volatile data storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile memory: The 25C080T-E/SN retains stored data even when power is removed.
• High storage capacity: This chip has a storage capacity of 8 kilobits (1 kilobyte).
• Serial interface: It utilizes a serial communication protocol for data transfer.
• Low power consumption: The 25C080T-E/SN operates on low power, making it suitable for battery-powered devices.

Package

The 25C080T-E/SN is available in an SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of this product lies in its ability to provide reliable and compact non-volatile memory storage for electronic devices.

Packaging/Quantity

The 25C080T-E/SN is typically packaged in reels or tubes, with each reel containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 8 kilobits (1 kilobyte)
• Interface: Serial (SPI - Serial Peripheral Interface)
• Operating Voltage: 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-E/SN has a total of 8 pins, which are assigned specific functions:

1. Chip Select (CS): Enables communication with the chip when pulled low.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data into the chip.
4. Serial Data Output (SO): Outputs data from the chip during read operations.
5. Write Protect (WP): When pulled high, prevents write operations.
6. Ground (GND): Connected to the ground reference of the system.
7. VCC: Power supply pin (+2.5V to +5.5V).
8. Hold (HOLD): When pulled high, suspends ongoing operations.

Functional Features

• Byte and Page Write Operations: The 25C080T-E/SN supports both byte-level and page-level write operations, allowing flexible data storage.
• Sequential Read: It enables sequential reading of stored data, enhancing efficiency in data retrieval.
• Software Protection: The chip provides a software write protection mechanism to prevent unauthorized modifications.
• Hardware Write Protection: The Write Protect (WP) pin can be used to enable hardware-based write protection.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable devices.
• High data retention and endurance ensure reliable long-term storage.
• Flexible write operations allow efficient utilization of memory space.
• Support for software and hardware write protection enhances data security.

Disadvantages

• Limited storage capacity compared to other EEPROM variants.
• Slower write speeds compared to some other non-volatile memory technologies.

Working Principles

The 25C080T-E/SN utilizes an electrically erasable floating-gate transistor technology. It stores data by trapping charges in the floating gate, which can be electrically erased and reprogrammed. The serial interface allows for easy communication with the chip, enabling read and write operations.

Detailed Application Field Plans

The 25C080T-E/SN finds applications in various electronic devices, including but not limited to: - Microcontrollers and embedded systems - Computer motherboards and peripherals - Consumer electronics (e.g., TVs, set-top boxes, audio players) - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 25C080T-E/SN include: - 24LC08B-I/SN - AT24C08AN-10SU-2.7 - CAT24C08WI-GT3

These alternatives provide comparable storage capacity, interface compatibility, and operating characteristics.

In conclusion, the 25C080T-E/SN is a compact and reliable Serial EEPROM chip with a storage capacity of 8 kilobits. It offers flexible write operations, software and hardware write protection, and is widely used in various electronic devices for non-volatile data storage.