24LC21AT/SN

Abbildungen dienen nur als Referenz

24LC21AT/SN

+Stückliste

IC EEPROM 1KBIT I2C 400KHZ 8SOIC

365 Tage Qualitätsgarantie

7*24 Stunden-Servicegarantie

90-Tage Kundendienstgarantie

Originalproduktgarantie

Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 1Kb (128 x 8)
MemoryInterface I²C
ClockFrequency 400 kHz
WriteCycleTime-WordPage 10ms
AccessTime 900 ns
Voltage-Supply 2.5V ~ 5.5V
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Übersicht

Description

The 24LC21AT/SN is a type of Electrically Erasable Programmable Read-Only Memory (EEPROM) chip manufactured by Microchip Technology. It features a 2K-bit memory organized into 256 x 8-bit storage, allowing for efficient data storage and retrieval. The device utilizes an I²C (Inter-Integrated Circuit) bus protocol for communication, which is a widely used standard for connecting low-speed peripherals to a motherboard, embedded system, or cellphone.
Key features of the 24LC21AT/SN include a wide operating voltage range from 1.7V to 5.5V, making it suitable for a variety of applications across different devices. It provides byte-level and page-level read/write operations, with a page size of 8 bytes. The EEPROM is designed for low power consumption, making it ideal for battery-operated devices. Additionally, it incorporates data protection mechanisms to prevent inadvertent writes and ensures data integrity. The 24LC21AT/SN’s compact size and robust performance make it an excellent choice for applications requiring reliable non-volatile memory storage.

Equivalent

The 24LC21AT/SN is a 2K I2C Serial EEPROM from Microchip Technology. Equivalent products are typically from similar manufacturers with similar specifications. Some equivalent EEPROMs include:
1. AT24C02 by Atmel (now part of Microchip)
2. CAT24C02 by ON Semiconductor
3. ST24C02 by STMicroelectronics
4. BR24C02 by ROHM
Ensure compatibility by checking specific features like the operating voltage, temperature range, and I2C interface specifications.

Features

The 24LC21AT/SN is an EEPROM (Electrically Erasable Programmable Read-Only Memory) device by Microchip Technology. Key features include:
1. Memory Capacity: 128 x 8-bit organization.
2. I2C Interface: Uses I2C (Inter-Integrated Circuit) two-wire serial bus for communication, supporting standard (100 kHz) and fast (400 kHz) modes.
3. Operating Voltage: Operates in a range of 1.7V to 5.5V, making it suitable for various applications.
4. Low Power Consumption: Offers low power operation with typical standby and read/write power consumption levels.
5. Write Protection: Includes hardware write-protection to prevent accidental data overwrites.
6. Data Retention: Capable of retaining data for more than 200 years.
7. Endurance: Supports over 1 million erase/write cycles per byte.
8. Package Options: Available in 8-lead SOIC package.
9. Temperature Range: Operates within a temperature range of -40°C to +85°C.
These features make the 24LC21AT/SN suitable for applications requiring reliable and efficient non-volatile memory storage.

Pinout

The 24LC21AT/SN is a 2Kb (256 x 8) I2C serial Electrically Erasable Programmable Read-Only Memory (EEPROM) chip manufactured by Microchip Technology. It features an 8-pin small outline integrated circuit (SOIC) package. The pins and their functions are as follows:
1. VSS: Ground reference for the device.
2. SDA: Serial Data — serves as the data input/output line used for both receiving and sending data.
3. SCL: Serial Clock — used to synchronize data transfer between the device and the controller.
4. A2: Device Address Input — used to set the hardware address of the EEPROM.
5. A1: Device Address Input — used for additional address configuration.
6. A0: Device Address Input — further address configuration.
7. WP: Write-Protect — when connected to VCC, write operations to the entire memory array are inhibited.
8. VCC: Power Supply — provides the operating voltage for the device.
The 24LC21AT/SN is typically used in applications requiring low-power, non-volatile storage, suitable for data logging, configuration settings, and small data storage tasks.

Manufacturer

The 24LC21AT/SN is manufactured by Microchip Technology Inc. Microchip is a leading American company known for designing and manufacturing microcontrollers, memory, and analog semiconductors. It serves a wide array of sectors, including automotive, industrial, consumer, and computing markets. The company is recognized for providing reliable, high-performance solutions that enable innovative product development and improved energy efficiency.

Application

The 24LC21AT/SN is a 2K I2C Serial EEPROM, which is commonly used in applications requiring non-volatile memory storage. Its primary areas of application include data logging, configuration settings storage, small-scale data storage for embedded systems, and consumer electronics. It is often utilized in automotive systems, industrial equipment, medical devices, and communication systems for storing calibration data, user preferences, and system parameters. Its low power consumption and compact size make it suitable for battery-powered and space-constrained applications. Additionally, the I2C interface allows for easy integration with microcontrollers and other I2C-compatible devices.

Package

The 24LC21AT/SN is an EEPROM memory chip packaged in an 8-lead Small Outline Integrated Circuit (SOIC) package. This SOIC package is a common surface-mount option that allows for efficient use of space on a printed circuit board.

Produkte, die mit 24LC21AT/SN zusammenhängen