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25LC256T-E/SN

Name: 25LC256T-E/SN
Rating: 4.7 (12 reviews)

IC EEPROM 256KBIT SPI 8SOIC

Производитель
Мфр. Часть #25LC256T-E/SN
Пакет SOIC-8
Лист данных 25LC256T-E/SN DataSheet
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Спецификации

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
MemoryType	Non-Volatile
MemoryFormat	EEPROM
Technology	EEPROM
MemorySize	256Kb (32K x 8)
MemoryInterface	SPI
ClockFrequency	10 MHz
WriteCycleTime-WordPage	5ms
Voltage-Supply	2.5V ~ 5.5V
OperatingTemperature	-40°C ~ 125°C (TA)
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

Обзор

Description

The 25LC256T-E/SN is a 256 Kbit (32 K x 8-bit) Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Microchip Technology. It uses the SPI (Serial Peripheral Interface) protocol for communication, allowing for fast data transfer rates, typically up to 20 MHz.
Key features include:
- Density: 256 Kbits, organized as 32,768 bytes.
- Voltage Range: Operates within 2.5V to 5.5V, making it suitable for various applications.
- Data Retention: Typically retains data for over 100 years, ensuring long-term storage.
- Endurance: Supports up to 1,000,000 write/erase cycles, ensuring durability for frequent updates.
- Packages: Available in multiple package types, including SOIC and TSSOP, catering to different space and design requirements.
The 25LC256T-E/SN is ideal for applications such as data logging, configuration storage, and calibration settings in consumer electronics, industrial systems, and automotive devices. Its reliability and ease of integration make it a popular choice among engineers.

Features

The 25LC256T-E/SN is a 256 Kbit (32 K x 8) Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. Key features include:
1. Memory Organization: 32,768 bytes of non-volatile memory, accessible via a serial interface.
2. Interface: SPI (Serial Peripheral Interface) compatible, enabling fast data transmission.
3. Operating Voltage: Wide voltage range of 2.5V to 5.5V, making it suitable for various applications.
4. Speed: Fast clock speeds of up to 20 MHz (at 5V), ensuring efficient read and write operations.
5. Endurance: Capable of withstanding 1,000,000 write cycles and has a data retention period of up to 100 years.
6. Write Protection: Features hardware and software write protection to enhance data integrity.
7. Package Options: Available in various packages, including SOIC, TSSOP, and DFN, facilitating flexible designs.
This device is ideal for applications requiring data storage, such as microcontrollers, automotive systems, and consumer electronics.

Package

The 25LC256T-E/SN is packaged in an 8-pin PDIP (Plastic Dual In-line Package) configuration. It is designed for easy integration into various electronic circuits, providing a compact solution for EEPROM storage.

Pinout

The 25LC256T-E/SN is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) with a total of 8 pins. The pin configuration and their functions are as follows:
1. VCC: Supply voltage (2.5V to 5.5V)
2. GND: Ground reference
3. SCK: Serial Clock input (for timing control)
4. SI: Serial Data Input (data to be written)
5. SO: Serial Data Output (data to be read)
6. CS: Chip Select (activates the device)
7. WP: Write Protect (prevents write operations when high)
8. HOLD: Hold (pauses the serial communication when activated)
The 25LC256T-E/SN features a 256 Kbit memory capacity, organized as 32,768 x 8 bits, and operates with a SPI (Serial Peripheral Interface) protocol for data communication.

Manufacturer

The manufacturer of the 25LC256T-E/SN is Microchip Technology Inc. Microchip is a leading American technology company that specializes in designing and manufacturing microcontrollers, analog semiconductors, and memory products. The company is known for its focus on embedded control solutions and provides a wide range of products, including development tools, software, and support services. Founded in 1989 and headquartered in Chandler, Arizona, Microchip serves diverse industries such as automotive, consumer electronics, industrial, and communications, making it a key player in the semiconductor sector.

Application

The 25LC256T-E/SN is a 256 Kbit serial EEPROM used in various applications such as consumer electronics, automotive systems, industrial automation, and telecommunications. It is ideal for storing configuration data, calibration settings, and firmware updates in devices like smart meters, medical equipment, and IoT applications, where non-volatile memory is required for retaining information after power loss.

Equivalent

The 25LC256T-E/SN chip is a 256Kb serial EEPROM. Equivalent products include:
1. Microchip 25LC256-I/SN
2. Atmel AT25DF256
3. Winbond W25X40CL
4. STMicroelectronics M25P256
5. Cypress CY14B256K
Ensure compatibility in terms of voltage, interface (SPI), and temperature range when considering alternatives.

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