25LC128T-I/ST

The 25LC128T-I/ST is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Microchip Technology. It features a capacity of 128 Kbit (16 KB) and communicates via the SPI (Serial Peripheral Interface) protocol, enabling high-speed data transfer. The chip operates within a voltage range of 2.5V to 5.5V and is suitable for a variety of applications, including data storage in consumer electronics, automotive systems, and industrial equipment.
Key features include fast read/write operations (up to 20 MHz), a page write capability, and a low power consumption mode, making it ideal for battery-operated devices. The 25LC128T-I/ST also supports multiple device addressing in a single SPI bus configuration, allowing for efficient system design. The chip is provided in various packages, including SOIC and TSSOP, catering to different space and design requirements. Its reliability and performance make it a popular choice for embedded systems requiring non-volatile memory solutions.

The 25LC128T-I/ST is a 128 Kbit (16 Kbyte) Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. Key features include:
- Memory Organization: 16 pages of 128 bytes each, allowing efficient data storage and retrieval.
- Interface: SPI (Serial Peripheral Interface) for fast data communication, supporting clock speeds up to 20 MHz.
- Voltage Range: Operates from 1.8V to 5.5V, making it suitable for a wide range of applications.
- Data Retention: Up to 100 years at 25°C, ensuring long-term data stability.
- Write Endurance: Typically 1 million write/erase cycles per page.
- Low Power Consumption: Ideal for battery-operated devices; active current consumption is around 1 mA.
- Chip Select Functionality: Multiple devices can be connected on the same bus using chip select lines.
- Write Protection: Supports hardware write protection to safeguard critical data.
This EEPROM is commonly used in applications such as consumer electronics, automotive, and industrial devices for data storage and retrieval.

The 25LC128T-I/ST is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package. It features a small form factor suitable for surface mount applications, providing efficient use of space on printed circuit boards.

The 25LC128T-I/ST is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. It has a pin count of 8. The pin functions are as follows:
1. VCC: Power supply (typically 2.5V to 5.5V).
2. GND: Ground reference.
3. SCK: Serial clock input for synchronization of data transmission.
4. SI (SDI): Serial data input; receives data from the microcontroller.
5. SO (SDO): Serial data output; sends data to the microcontroller.
6. CS: Chip select; active low signal to enable the device for communication.
7. HOLD: Hold; can pause the serial communication when asserted low.
8. WP: Write protect; enables or disables write operations when asserted low.
The 25LC128T-I/ST supports a maximum storage capacity of 128 Kbit and operates using the SPI (Serial Peripheral Interface) protocol for data transfers.

The manufacturer of the 25LC128T-I/ST is Microchip Technology Inc. Microchip is a leading American technology company that specializes in the design and manufacturing of microcontrollers, microprocessors, analog semiconductors, memory products, and related technologies. Founded in 1989, the company primarily focuses on embedded control applications and provides a wide range of solutions for various industries, including automotive, consumer electronics, industrial automation, and telecommunications. Microchip is known for its commitment to innovation, quality, and customer service, offering a robust portfolio of products and integrated development environments (IDEs) to support developers and engineers in their projects.

The 25LC128T-I/ST is a serial EEPROM used in various applications, including:
1. Consumer Electronics: For storing configuration settings and user preferences.
2. Automotive Systems: In engine control units for calibration data.
3. Industrial Automation: For storing firmware and operational parameters.
4. Smart Meters: To retain billing and usage data.
5. Medical Devices: In patient management systems for storing critical data.
6. Telecommunications: For network configuration and identity storage.

Equivalent products to the 25LC128T-I/ST chip include the Microchip 25AA128, Winbond W25X128, and the Macronix MX25L128. These chips offer similar functionalities, such as 128Kb serial EEPROM or flash memory with SPI interfaces. Always check specific datasheets to confirm compatibility for your application.