24LC21AT/SN

The 24LC21AT/SN is a 2 Kbit (256 x 8) electrically erasable programmable read-only memory (EEPROM) that utilizes a serial I2C (Inter-Integrated Circuit) communication protocol. It is designed for applications requiring non-volatile memory, allowing data to be stored even when power is removed.
Key features include:
- Operating Voltage: Typically operates between 1.7V to 5.5V.
- Data Retention: Capable of retaining data for over 100 years.
- Write Cycles: Supports up to 1 million write/erase cycles.
- I2C Interface: Allows multiple EEPROMs to be connected on the same bus, facilitating easy communication with microcontrollers.
The device is ideal for various applications such as digital cameras, remote sensors, and other consumer electronics requiring reliable data storage. The 24LC21AT/SN is available in multiple package types, making it versatile for integration into different circuit designs.

The 24LC21AT/SN is a 2K-bit (256 x 8) I2C EEPROM (Electrically Erasable Programmable Read-Only Memory) with the following key features:
1. Memory Density: 2K bits of memory, organized as 256 bytes.
2. I2C Interface: Supports standard and fast I2C modes, with speeds up to 400 kHz.
3. Single Supply Voltage: Operates from 1.8V to 5.5V, making it suitable for low-voltage applications.
4. Write Cycle Time: Fast write cycle time of 5 ms (typical), ensuring efficient data storage.
5. Endurance: Supports a minimum of 1 million write cycles per memory cell.
6. Data Retention: Retains data for up to 100 years.
7. Addressing: 2-wire addressing, allowing multiple devices on the same bus with unique addresses.
8. Page Write Capability: Supports page writes (up to 16 bytes), facilitating efficient data storage.
9. Low Power Consumption: Ideal for battery-operated devices due to low active and standby current.
These features make the 24LC21AT/SN suitable for a variety of applications, including consumer electronics, automotive, and industrial devices.

The 24LC21AT/SN is available in an 8-pin SOIC (Small Outline Integrated Circuit) package. This surface-mount package is designed for compact applications, making it suitable for various electronic devices that require EEPROM memory.

The 24LC21AT/SN is a 2K-bit I2C-compatible EEPROM with a pin count of 8. The pin configuration includes:
1. VCC - Power supply (+2.5V to +5.5V).
2. GND - Ground.
3. SDA - Serial Data Line for data transfer.
4. SCL - Serial Clock Line for synchronization.
5. WP - Write Protect pin; when high, prevents write operations.
6. A0, A1 - Address pins; used to configure the device's I2C address for multiple devices on the same bus.
The device supports a maximum of 1 MHz I2C bus speed and allows data storage with an architecture designed for low power consumption.

The 24LC21AT/SN is manufactured by Microchip Technology Inc., a leading provider of microcontroller and analog semiconductors. Founded in 1989 and headquartered in Chandler, Arizona, Microchip specializes in developing microcontrollers, memory products, and integrated circuits for various applications, including automotive, industrial, and consumer electronics. The company is known for its focus on embedded control and has a diverse range of products that enable smart technologies and systems in the Internet of Things (IoT) and other advanced applications.

The 24LC21AT/SN is a 2-wire EEPROM memory device commonly used in applications such as consumer electronics, automotive systems, industrial automation, and smart devices. Its non-volatile storage capability makes it suitable for storing configuration settings, calibration data, and user preferences. Additionally, it is ideal for use in data logging, medical devices, and any application requiring reliable and persistent data storage.

The 24LC21AT/SN is a 2K-bit (256 x 8) I2C EEPROM. Equivalent products include:
1. Microchip 24LC02B
2. STMicroelectronics M24C02
3. Atmel AT24C02
4. NXP (Philips) P24C02
Ensure compatibility with your specific application requirements, including voltage levels, speed, and pin configuration.