24AA256T-I/SN

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24AA256T-I/SN

IC EEPROM 256KBIT I2C 8SOIC

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
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 1.7V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Vue d'ensemble

Description

The 24AA256T-I/SN is a 256 Kbit (32 Kbyte) I2C-compatible EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. It features a two-wire interface, allowing for easy communication with microcontrollers and other devices. The "24" prefix indicates it's part of the 24xx series of EEPROMs, while "AA" denotes its architecture.
Key features include a wide operating voltage range (1.8V to 5.5V), high-speed operation (up to 1 MHz), and the ability to retain data for over 100 years. The device supports multiple write cycles (typically up to 1 million), making it suitable for applications that require frequent data updates.
The "I" in the part number indicates an industrial temperature range, specifically from -40°C to +85°C, enhancing its applicability in demanding environments. The 24AA256T-I/SN is commonly used in automotive, consumer electronics, and industrial automation for tasks such as data storage, configuration settings, and calibration data retention.

Features

The 24AA256T-I/SN is a 256-kbit (32K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) device from Microchip Technology. Key features include:
1. Interface: I²C compatible 2-wire serial interface for communication up to 1 MHz.
2. Memory Organization: Organized as 32 pages of 8 bytes each, allowing for efficient data management.
3. Voltage Range: Operates over a wide voltage range of 1.8V to 5.5V, suitable for various applications.
4. Data Retention: Guaranteed data retention of at least 100 years and up to 1 million write cycles.
5. Built-in Write Protection: Selective write protection ensures data integrity.
6. Low Power Consumption: Low active and standby current, ideal for battery-operated devices.
7. Temperature Range: Available in industrial (-40°C to +85°C) and commercial (0°C to +70°C) temperature ranges.
These features make the 24AA256T-I/SN suitable for applications in consumer electronics, automotive, and industrial sectors.

Package

The 24AA256T-I/SN is available in an 8-lead MSOP (Micro Small Outline Package) or an 8-lead PDIP (Plastic Dual In-line Package). It is commonly used for I2C-compatible EEPROM applications.

Pinout

The 24AA256T-I/SN is a 256 Kbit (32 Kbyte) EEPROM from Microchip Technology, featuring a total of 8 pins in its Dual In-line Package (DIP) form.
Pin Count and Functions:
1. VCC: Power supply (typically 2.5V to 5.5V).
2. GND: Ground reference.
3. SDA: Serial Data Line for data input/output.
4. SCL: Serial Clock Line used for synchronizing data transfer.
5. WP: Write Protect pin, which can be used to protect the memory from being written.
6. A0, A1, A2: Address pins that allow connection of multiple EEPROMs in a system by setting their unique addresses.
This device communicates using the I²C protocol, supporting both standard and fast mode. It is commonly used for storing non-volatile data in various applications, including consumer electronics and industrial devices.

Manufacturer

The manufacturer of the 24AA256T-I/SN is Microchip Technology Inc. Microchip is an American company that specializes in embedded control applications and microcontroller technology. Founded in 1989, it designs and manufactures a wide range of semiconductor products, including microcontrollers, memory chips, and analog devices. Microchip serves various industries, including automotive, industrial, consumer, and communications, providing solutions for embedded systems. The 24AA256T-I/SN is a 256 Kbit (32 K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) device, commonly used for data storage applications in microcontroller-based systems.

Application

The 24AA256T-I/SN is a 256Kb I2C EEPROM used in various applications, including data storage for microcontrollers, configuration settings in consumer electronics, firmware storage in industrial devices, and as a non-volatile memory solution in automotive systems. Its low power consumption and easy integration make it ideal for portable devices, smart sensors, and IoT applications.

Equivalent

The 24AA256T-I/SN chip is a 256Kb EEPROM with I2C interface. Equivalent products include:
1. 24LC256 - Similar specs and I2C interface.
2. M24C256 - EEPROM from STMicroelectronics with the same capacity and I2C.
3. AT24C256 - Microchip's version of 256Kb EEPROM with I2C compatibility.
Check the specific voltage and package type requirements for compatibility.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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