AT24MAC402-MAHM-T

The AT24MAC402-MAHM-T is a specialized EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Microchip Technology. It is part of the AT24 series, known for providing robust non-volatile memory solutions. This specific model offers 2-Kbit EEPROM with unique MAC/EUI-48 addresses, which are crucial for network identification and communication.
Key features include:
1. Memory Capacity: 2 Kbits of EEPROM, organized as 256 x 8 bits, providing ample storage for small data logging applications.
2. MAC Address: Each chip comes with a unique 48-bit MAC/EUI address, ensuring device identification in networked environments.
3. Interface: It uses an I2C (Inter-Integrated Circuit) bus interface, enabling easy integration with most microcontrollers.
4. Operating Voltage: It operates within a voltage range of 1.7V to 5.5V, making it versatile for various applications.
5. Reliability: Offers high endurance with 1 million write cycles and a data retention of 100 years.
6. Applications: Ideal for network-enabled devices requiring unique device identifiers and reliable non-volatile storage.
This chip is suitable for applications in IoT, consumer electronics, and industrial automation where reliable, compact memory is needed.

The AT24MAC402-MAHM-T is a 2Kb I2C EEPROM with a unique MAC address. Equivalent products include:
1. Microchip AT24MAC602 - Offers a similar EEPROM with MAC address functionality.
2. STMicroelectronics M24M02-DRMN6TP - A 2Kb I2C EEPROM, although without a built-in MAC.
3. Catalyst Semiconductor CAT24C02 – Offers similar EEPROM capabilities but lacks the MAC feature.
When selecting an equivalent, ensure compatibility in terms of interface, memory size, and additional features like MAC address provision if needed.

The AT24MAC402-MAHM-T is a serial EEPROM device designed for applications requiring unique MAC/EUI addresses. Key features include:
1. Memory Capacity: It offers 2Kb (256 bytes) of Electrically Erasable and Programmable Read-Only Memory (EEPROM).

2. MAC/EUI Address: The device includes a factory-programmed globally unique 48-bit (MAC) or 64-bit (EUI) identifier, making it suitable for networked devices.
3. Interface: It uses an I2C (Inter-Integrated Circuit) interface, providing two-wire serial communication, with a data transfer speed up to 1MHz in Fast-mode Plus.
4. Operating Voltage: The EEPROM operates within a voltage range of 1.7V to 3.6V, making it compatible with low-power applications.
5. Data Retention and Endurance: It supports over 1 million write cycles per byte with a data retention period of over 100 years.
6. Temperature Range: The device functions effectively in a wide temperature range from -40°C to +85°C, suitable for industrial environments.
7. Package: The AT24MAC402-MAHM-T is available in a compact 8-lead UDFN (2x3mm) package, optimizing space for densely populated PCBs.
These features make it ideal for applications requiring non-volatile memory with unique identification capabilities.

The AT24MAC402-MAHM-T is a 2-Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) with a factory-programmed 128-bit unique MAC address. It is housed in an 8-pin package. Here are the pin functions:
1. A0, A1, A2: Device address inputs used for multiple device operation on the same bus.
2. GND: Ground reference for the power supply.
3. SDA: Serial data line used for data input and output.
4. SCL: Serial clock line used to synchronize data transfers.
5. WP: Write protect input to protect the entire memory array from writes.
6. VCC: Power supply voltage.
This EEPROM supports the I2C serial interface, enabling easy communication with microcontrollers. It can be used in applications that require a unique identifier, like networking and security, due to its preprogrammed MAC address.

The AT24MAC402-MAHM-T is manufactured by Microchip Technology Inc. Microchip is an American company that specializes in designing and manufacturing microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. It provides a wide range of semiconductor products, including microcontrollers, memory, and interface devices, serving various industries such as automotive, industrial, consumer, and communications.

The AT24MAC402-MAHM-T is a two-wire serial EEPROM chip designed for applications that require unique identification and secure storage. Its primary application areas include:
1. Networking Equipment: Used for storing MAC addresses in network devices.
2. Consumer Electronics: Provides secure and unique identification for smart devices.
3. Industrial Systems: Utilized in manufacturing for component tracking and inventory management.
4. IoT Devices: Ensures secure and unique device identification in IoT ecosystems.
5. Medical Devices: Offers secure data storage for sensitive patient information and device calibration.
The chip's non-volatile memory makes it ideal for systems needing reliable data retention and identification features.

The AT24MAC402-MAHM-T is packaged in an 8-lead UDFN (Ultra-thin Dual Flat No-lead) package. This type of package is compact, with a low profile suitable for space-constrained applications.