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24AA256UIDT-I/SN

Name: 24AA256UIDT-I/SN
Rating: 4.7 (12 reviews)

IC EEPROM 256KBIT I2C 8SOIC

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資料表 24AA256UIDT-I/SN DataSheet
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規格

Part Status	Active
DigiKey Programmable	Not Verified
Memory Type	Non-Volatile
Memory Format	EEPROM
Technology	EEPROM
Memory Size	256Kbit
Memory Organization	32K x 8
Memory Interface	I2C
Clock Frequency	400 kHz
Write Cycle Time - Word, Page	5ms
Access Time	900 ns
Voltage - Supply	1.7V ~ 5.5V
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Base Product Number	24AA256

概述

Description

The 24AA256UIDT-I/SN is a 256 Kbit EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. It features a I2C (Inter-Integrated Circuit) interface, allowing for easy communication with microcontrollers and other digital devices. With a supply voltage range of 1.7V to 5.5V, it supports a wide range of applications, including consumer electronics and industrial systems.
Key features include:
- Memory Capacity: 256 Kbits (32 Kbytes)
- I2C Interface: Supports standard (100 kHz) and fast (400 kHz) modes
- Page Write Capability: Allows writing up to 16 bytes at a time
- Endurance: Typically 1 million write cycles
- Data Retention: Up to 200 years
The device is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) to facilitate easy integration into various electronic designs. It is ideal for applications requiring non-volatile storage, such as configuration settings, calibration data, or user preferences.

Features

The 24AA256UIDT-I/SN is a 256 Kbit (32 K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) device from Microchip Technology. Key features include:
1. Interface: Supports I²C (Inter-Integrated Circuit) protocol with a standard 100 kHz and fast mode up to 400 kHz.
2. Memory Organization: Organized as 32 pages, each containing 8 bytes, allowing efficient data management.
3. Voltage Range: Operates typically from 1.8V to 5.5V, making it suitable for a wide range of applications.
4. Data Retention: Offers a data retention period of over 100 years, ensuring long-term storage.
5. Endurance: Supports up to 1 million write/erase cycles per memory cell, suitable for frequent updates.
6. Built-in Write Protection: Features hardware write protection for critical data security.
7. Low Power Consumption: Ideal for battery-operated devices, consuming minimal power during read/write operations.
This device is widely used in applications like data storage, configuration settings, and device calibration.

Package

The 24AA256UIDT-I/SN is packaged in an 8-lead MSOP (Micro Small Outline Package) form factor. This compact package is designed for space-constrained applications, providing ease of integration into electronic circuits.

Pinout

The 24AA256UIDT-I/SN is an I2C EEPROM (Electrically Erasable Programmable Read-Only Memory) that features a total of 8 pins. The pin count and their functions are as follows:
1. VCC (Pin 1): Power supply.
2. GND (Pin 2): Ground reference.
3. SDA (Pin 3): Serial Data Line for data transfer.
4. SCL (Pin 4): Serial Clock Line for synchronization.
5. WP (Pin 5): Write Protect pin, used to protect the memory from write operations when high.
6. A0 (Pin 6): Chip Select pin for selecting the device on the I2C bus (used for addressing multiple devices).
7. A1 (Pin 7): Additional Chip Select pin for further device addressing.
8. A2 (Pin 8): Another Chip Select pin for device addressing.
The 24AA256UIDT-I/SN has a 256 Kbit capacity and operates on a supply voltage of 1.7V to 5.5V, making it suitable for various applications in data storage.

Manufacturer

The manufacturer of the 24AA256UIDT-I/SN is Microchip Technology Inc. Microchip is a semiconductor company that specializes in designing and manufacturing microcontrollers, memory, and analog semiconductors. Founded in 1989 and headquartered in Chandler, Arizona, Microchip serves a wide range of industries, including automotive, industrial, consumer, and communications. The 24AA256UIDT-I/SN is a 256 Kbit I²C EEPROM, commonly used for data storage in various electronic applications. Microchip is known for its commitment to innovation and quality, providing comprehensive solutions for embedded control applications.

Application

The 24AA256UIDT-I/SN is a 256Kb I2C EEPROM used in various applications, including microcontroller interfacing, data storage for configuration settings, real-time clock calibration, and firmware storage. It is commonly found in consumer electronics, automotive systems, telecommunications, and industrial automation for tasks that require non-volatile memory retention.

Equivalent

The 24AA256UIDT-I/SN is a 256Kb (32K x 8) I2C EEPROM. Equivalent products include:
1. Microchip 24FC256
2. Atmel AT24C256
3. STMicroelectronics M24C256
4. NXP/Philips PCF8572C
Always check the specific voltage, package type, and temperature ratings to ensure compatibility.