25LC256-E/SN

이미지는 참조용입니다.

25LC256-E/SN

+BOM

IC EEPROM 256KBIT SPI 8SOIC

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

정품 보증

사양

속성 가치
Package / Case Tube
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 ~ 125°C (TA)
Mounting Type Surface Mount

개요

Description

The 25LC256-E/SN is a 256 Kbit serial EEPROM memory device from Microchip Technology, designed for use in a wide range of applications requiring non-volatile data storage. It operates using the Serial Peripheral Interface (SPI) protocol, allowing for efficient communication with microcontrollers and other devices. The EEPROM is organized in 32,768 bytes, with a byte-wide capability, and features a page write capability of up to 64 bytes per page, which helps in reducing write cycles and increasing data throughput.
This device supports a wide voltage range from 2.5V to 5.5V, making it suitable for various applications. It offers high endurance with over a million write cycles and data retention of over 200 years, ensuring long-term reliability. The 25LC256-E/SN also features a write protection mechanism to prevent inadvertent writes, enhancing data integrity. Its small 8-pin SOIC package allows for easy integration into compact designs. Typical applications include data logging, configuration data storage, and use in consumer electronics, industrial systems, and automotive applications.

Equivalent

The 25LC256-E/SN is a 256Kb SPI Serial EEPROM by Microchip. Equivalent products include:
1. AT25256 by Microchip (formerly Atmel): Similar specifications with SPI interface.
2. M95256 by STMicroelectronics: Offers 256Kb with SPI interface.
3. CAT25256 by ON Semiconductor: A 256Kb EEPROM with SPI support.
4. SST25VF256 by SST (now part of Microchip): Also a 256Kb SPI EEPROM.
These alternatives offer similar memory capacity and SPI interface compatibility.

Features

The 25LC256-E/SN is a 256-Kilobit Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) by Microchip Technology. Key features include:
1. Memory Capacity: It has a storage capacity of 32,768 bytes or 256 kilobits.
2. Interface: Utilizes the Serial Peripheral Interface (SPI) bus for communication, supporting data rates up to 10 MHz.
3. Voltage Range: Operates within a wide voltage range of 2.5V to 5.5V, making it suitable for various applications.
4. Page Write Buffer: Includes a 64-byte page write capability, which enhances programming efficiency.
5. Low Power Consumption: Designed for energy efficiency with standby and read currents at 1 µA and 5 mA, respectively.
6. Endurance and Retention: Features 1,000,000 erase/write cycles and data retention of over 200 years.
7. Temperature Range: Functions effectively within an industrial temperature range of -40°C to +85°C.
8. Package Type: Available in an 8-pin SOIC package.
These features make the 25LC256-E/SN suitable for applications requiring reliable, non-volatile memory storage with efficient power usage.

Pinout

The 25LC256-E/SN is a 256 Kbit (32 Kbyte) serial EEPROM memory chip from Microchip Technology. It uses an SPI (Serial Peripheral Interface) for communication. This chip typically comes in an 8-pin package, such as SOIC (Small Outline Integrated Circuit).
Here’s a brief overview of its pin functions:
1. CS (Chip Select): Activates the device when low.
2. SO (Serial Data Output): Outputs data from the EEPROM.
3. WP (Write-Protect): Protects data; when low, write operations are disabled.
4. VSS: Ground reference.
5. SI (Serial Data Input): Inputs data to the EEPROM.
6. SCK (Serial Clock): Provides clock pulses for data transfer.
7. HOLD: Pauses communication while active.
8. VCC: Supply voltage.
The 25LC256 is commonly used for data storage applications requiring non-volatile memory with a simple interface and ease of use.

Manufacturer

The 25LC256-E/SN is manufactured by Microchip Technology Inc. This company is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Microchip Technology serves a wide range of industries, including automotive, industrial, home appliance, consumer electronics, and more. Their products are used in various applications, such as data communication, battery management, and embedded security systems. The 25LC256-E/SN is a 256Kb serial EEPROM, which is used for non-volatile memory storage.

Application

The 25LC256-E/SN is a 256-Kbit serial EEPROM memory chip used in various applications due to its reliable data storage capabilities. Common application areas include:
1. Consumer Electronics: Used for storing firmware and configuration settings.
2. Industrial Automation: Employed in machinery for parameter storage and logging.
3. Automotive Systems: Utilized to retain data in infotainment systems and engine control units.
4. Medical Devices: Stores calibration and patient data.
5. Telecommunications: Provides non-volatile storage for network devices.
6. IoT Devices: Facilitates data logging and configuration storage.
These applications benefit from the chip's low power consumption, high endurance, and reliable data retention.

Package

The 25LC256-E/SN is a 256 Kbit (32 Kbyte) serial EEPROM from Microchip Technology, with an 8-pin SOIC (Small Outline Integrated Circuit) package type. This package is suitable for surface mounting on PCBs.

25LC256-E/SN과 관련된 제품