24LC256-E/SN

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24LC256-E/SN

IC EEPROM 256KBIT I2C 8SOIC

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Specifications

Package Tube
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 256Kb (32K x 8)
MemoryInterface I²C
ClockFrequency 400 kHz
WriteCycleTime-WordPage 5ms
AccessTime 900 ns
Voltage-Supply 2.5V ~ 5.5V
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The 24LC256-E/SN is a 256 Kbit (32 Kbyte) EEPROM (Electrically Erasable Programmable Read-Only Memory) device produced by Microchip Technology. It communicates via the I2C (Inter-Integrated Circuit) protocol, allowing multiple devices to be connected to a single bus, which is ideal for applications requiring multiple memory chips.
Key features include:
- Storage Capacity: 32 Kbytes, organized as 256 pages of 128 bytes each.
- Voltage Range: Operates typically between 2.5V and 5.5V, making it suitable for various applications.
- Data Retention: Retains data for over 100 years under typical conditions, with millions of write cycles.
- Page Write and Sequential Read: Supports fast write operations and efficient data retrieval.
- Low Power Consumption: Ideal for battery-operated devices.
The 24LC256-E/SN is commonly used in consumer electronics, automotive applications, and industrial devices for data storage, configuration settings, and firmware updates.

Features

The 24LC256-E/SN is a 256 Kbit (32 Kbyte) I2C EEPROM from Microchip Technology. Key features include:
1. Memory Architecture: 256 Kbits organized as 32 pages of 16 bytes each.
2. I2C Interface: Supports standard I2C protocol with speeds up to 400 kHz.
3. Power Supply: Operates on a voltage range of 1.7V to 5.5V, making it suitable for low-power applications.
4. Data Retention: Provides a data retention of over 100 years at 25°C.
5. Endurance: Supports up to 1 million write cycles per byte.
6. Write Protection: Can be configured to prevent writing in certain memory areas.
7. Low Power Consumption: Consumes only 1 µA in standby mode and 1.5 mA during write operations.
8. Page Write: Allows up to 16 bytes to be written in a single operation, enhancing efficiency.
9. Temperature Range: Available in commercial and industrial temperature ranges.
This device is ideal for applications requiring non-volatile memory, such as consumer electronics, automotive, and industrial systems.

Package

The 24LC256-E/SN is available in an 8-pin SOIC (Small Outline Integrated Circuit) package type. It is designed for surface mount applications and provides a compact form factor for space-constrained designs.

Pinout

The 24LC256-E/SN is an I²C EEPROM (Electrically Erasable Programmable Read-Only Memory) with a pin count of 8.
### Pin Functions:
1. VCC (Pin 1): Power supply pin (typically +2.5V to +5.5V).
2. GND (Pin 8): Ground reference pin.
3. SDA (Pin 2): Serial Data Line for data transfer.
4. SCL (Pin 3): Serial Clock Line for synchronization of data transfer.
5. WP (Pin 7): Write Protect pin that prevents write operations when high.
6. A0 (Pin 4): Address pin used to configure the device's I²C address (A0, A1, A2 can be used for multiple devices on the same bus).
7. A1 (Pin 5): Another address pin for I²C configuration.
8. A2 (Pin 6): Third address pin for I²C configuration.
The 24LC256-E/SN features 256 Kbits of memory and supports a maximum I²C speed of 1 MHz.

Manufacturer

The manufacturer of the 24LC256-E/SN is Microchip Technology Inc. Microchip is a well-established American semiconductor company that specializes in designing and manufacturing microcontrollers, memory chips, and related embedded systems. Founded in 1989, the company focuses on providing a wide range of products and solutions for various applications, including automotive, industrial, consumer electronics, and communications. Microchip is known for its commitment to innovation and quality, offering both standard and custom solutions to meet the needs of its customers across diverse industries.

Application

The 24LC256-E/SN is a 256 Kbit (32 K x 8) Electrically Erasable Programmable Read-Only Memory (EEPROM). It is commonly used in applications requiring non-volatile data storage, such as consumer electronics, automotive systems, medical devices, and industrial automation. Typical uses include storing configuration settings, calibration data, and user preferences in devices like microcontrollers, smart meters, and data loggers. Its I2C interface allows for easy integration with various microcontrollers and systems.

Equivalent

The 24LC256-E/SN is a 256 Kbit I2C EEPROM chip. Equivalent products include the Microchip 24AA256, STMicroelectronics M24C256, and Atmel AT24C256. These chips share similar functionality, pin configurations, and I2C communication protocols. Ensure to check specific datasheets for compatibility in your application.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

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2. Credit/ Debit Card

3. Wire Transfer

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