25LC256T-I/SN

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25LC256T-I/SN

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IC EEPROM 256KBIT SPI 8SOIC

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Attribut Wert
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 256Kb (32K x 8)
Memory Interface SPI
Clock Frequency 10 MHz
Write Cycle Time - Word Page 5ms
Voltage - Supply 2.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Übersicht

Description

The 25LC256T-I/SN is a 256 Kbit serial EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. It utilizes the SPI (Serial Peripheral Interface) protocol for communication, offering a simple and efficient interface for data exchange. The device is organized as 32,768 x 8 bits, providing a total of 32KB of memory, which makes it suitable for applications requiring non-volatile data storage.
Key features include low power consumption, with a wide operating voltage range from 2.5V to 5.5V, which ensures compatibility with various microcontrollers and systems. The EEPROM supports byte and page write operations, with a page size of up to 64 bytes, allowing efficient data management. It also offers a high endurance of up to 1,000,000 erase/write cycles and a data retention period of over 200 years, ensuring robust performance over time.
The 25LC256T-I/SN is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for compact designs. Its reliability and ease of use make it ideal for a range of consumer, industrial, and automotive applications.

Equivalent

The 25LC256T-I/SN is a 256 Kbit SPI EEPROM by Microchip. Equivalent products include:
1. Atmel/Microchip AT25256 - Similar EEPROM with SPI interface.
2. STMicroelectronics M95M02 - 256 Kbit SPI EEPROM.
3. ISSI IS25LQ256 - Comparable SPI EEPROM.
4. Winbond W25X256 - 256 Kbit SPI EEPROM device.
Check specifications for compatibility regarding voltage, temperature range, and packaging.

Features

The 25LC256T-I/SN is a 256 Kbit serial EEPROM from Microchip Technology. Key features include:
1. Memory Size: 256 Kbit organized as 32,768 x 8 bits.
2. Interface: SPI-compatible serial interface, allowing easy integration with other SPI devices.
3. Operating Voltage: Wide voltage range from 2.5V to 5.5V, suitable for various applications.
4. Speed: Supports clock frequencies up to 10 MHz for fast data transfer.
5. Write: Byte and page write capabilities with page size of 64 bytes.
6. Write Protection: Features block write protection to safeguard data.
7. Endurance: Offers more than 1,000,000 erase/write cycles and over 200-year data retention, ensuring long-term reliability.
8. Temperature: Industrial temperature range from -40°C to +85°C.
9. Low Power: Consumes minimal power with standby and write power modes to enhance efficiency.
10. Package: Available in an 8-pin SOIC package for compact designs.
These features make the 25LC256T-I/SN ideal for applications requiring reliable non-volatile storage with flexible interface options.

Pinout

The 25LC256T-I/SN is a 256 Kbit (32 Kbyte) serial EEPROM from Microchip Technology that uses an SPI (Serial Peripheral Interface) for communication. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief description of its pin functions:
1. CS (Chip Select): Activates the device; active low.
2. SO (Serial Output): Outputs data from the EEPROM to the microcontroller.
3. WP (Write Protect): When active, prevents write operations to the entire memory.
4. VSS: Ground reference.
5. SI (Serial Input): Inputs data from the microcontroller to the EEPROM.
6. SCK (Serial Clock): Synchronizes the communication between the microcontroller and EEPROM.
7. HOLD: Allows the device to pause the communication, without resetting.
8. VCC: Power supply input.
The device supports various SPI modes and commands for read, write, and erase operations, offering reliable non-volatile storage solutions for embedded systems.

Manufacturer

The manufacturer of the 25LC256T-I/SN is Microchip Technology Inc. Microchip Technology is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. The company is known for designing and producing a wide range of semiconductor products that are used in various applications across industries including automotive, industrial, consumer electronics, and telecommunications. Microchip focuses on providing solutions that help customers reduce development time, lower total system cost, and mitigate risk.

Application

The 25LC256T-I/SN is a 256Kb serial EEPROM memory used in various applications due to its reliable data storage and low power consumption. Common application areas include:
1. Consumer Electronics: Used for configuration and calibration data.
2. Industrial Automation: Stores firmware and operational parameters.
3. Automotive Systems: Manages infotainment system settings and sensor calibration data.
4. Medical Devices: Keeps patient data and device configuration.
5. Telecommunications: Retains network settings and user preferences.
6. Home Appliances: Stores user settings and system configurations.
7. IoT Devices: Manages sensor data and device configurations.
These applications benefit from the EEPROM's non-volatile memory, allowing data retention without power.

Package

The 25LC256T-I/SN is a serial EEPROM from Microchip Technology, housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. It is a surface-mount package designed for applications requiring reliable non-volatile memory storage.

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