AT24C64

The AT24C64 is a 64-kilobit (8KB) I²C-compatible EEPROM (Electrically Erasable Programmable Read-Only Memory) produced by Microchip Technology. It features a two-wire I²C interface for communication, allowing multiple devices to be connected on the same bus. The device operates with a supply voltage range of 1.8V to 5.5V, making it suitable for various low-power applications.
The AT24C64 supports different data rates, up to 400 kHz in fast mode, and has a maximum write cycle time of 5 milliseconds. It includes a page-write capability, allowing up to 32 bytes to be written at once, which improves efficiency in data storage operations.
With a built-in write protection feature, the AT24C64 ensures data integrity during operation. Applications include data storage in microcontrollers, configuration settings, calibration data, and other scenarios requiring non-volatile memory. Overall, the AT24C64 is widely used in consumer electronics, automotive systems, and industrial automation due to its reliability and ease of integration.

The AT24C64 is an I2C-compatible EEPROM (Electrically Erasable Programmable Read-Only Memory) with the following key features:
1. Memory Size: 64 Kbit (8 Kbyte) organized as 8 pages of 256 bytes each.
2. Interface: I2C bus interface supporting standard (100 kHz), fast (400 kHz), and high-speed (up to 3.4 MHz) modes.
3. Write Endurance: Typically 1 million write cycles per byte.
4. Data Retention: Retains data for over 100 years at 25°C.
5. Programming Time: Write operations typically completed in 5 ms (max).
6. Addressing: Supports 1 to 8 devices on the same bus via hardware address pins.
7. Low Power Consumption: Suitable for battery-operated devices with low active and standby currents.
8. Page Write Capability: Allows writing up to 16 bytes at a time for efficient data storage.
9. Self-Timed Write Cycle: Internal timing for write cycles, requiring no external clock signal.
This combination of features makes the AT24C64 ideal for applications needing reliable, persistent data storage.

The AT24C64 is typically available in an 8-pin DIP (Dual In-line Package), a 8-pin SOIC (Small Outline IC), and a 5-pad WLCSP (Wafer-Level Chip Scale Package). These package types provide flexibility for various applications in electronic designs.

The AT24C64 is manufactured by Microchip Technology Inc., a leading provider of microcontroller, mixed-signal, analog, and memory products. Microchip is known for designing and producing embedded control solutions used in various applications, including automotive, industrial, consumer electronics, and communications. Established in 1989, Microchip has a diverse portfolio that includes microcontrollers, digital signal controllers, and memory devices, making it a key player in the semiconductor industry. The AT24C64 is a 64-kbit EEPROM (Electrically Erasable Programmable Read-Only Memory) device used for data storage and is popular in applications requiring reliable non-volatile memory.

The AT24C64 is a 64Kb EEPROM used in various applications, including:
1. Data Storage: Storing configuration settings, calibration data, and user preferences in consumer electronics.
2. Microcontroller Interfaces: Providing non-volatile storage for embedded systems and microcontrollers.
3. Smart Cards: Used in accessing secure information.
4. Networking Devices: Storing MAC addresses and firmware parameters.
5. Industrial Automation: Retaining process variables and settings in PLCs.
6. Medical Devices: Storing patient data and device settings securely.

Equivalent products to the AT24C64 EEPROM chip include the 93C56, 93C66, and 24C64 from various manufacturers like Microchip, STMicroelectronics, and NXP. These chips share similar functionalities and specifications, such as I2C or SPI interfaces and similar memory capacities. Always check the specific datasheets for pin configurations and electrical characteristics for compatibility.