Overview
The Microchip AT24C02C-XPD-T is a 2 kb serial Electrically Erasable and Programmable Read-Only Memory (EEPROM) that communicates with the host controller using an I2C (2-wire) serial bus interface. This device is part of the AT24C0 series, which offers various memory capacities. The AT24C02C specifically provides 256 x 8 bits of memory, organized as 256 words of 8 bits each. It is designed for low-power and low-voltage applications, making it suitable for a wide range of industrial and commercial uses.
Key Specifications
| Specification | Value |
|---|---|
| Memory Capacity | 256 x 8 bits (2 kb) |
| Clock Frequency | 400 kHz (1.7V), 1 MHz (>2.5 V) |
| Number of Devices on Bus | Up to 8 devices |
| Erase and Write Cycle Time | 5 ms max. |
| Read Current | 0.4 mA (Typ), 1 mA (Max) |
| Standby Current | 6 uA (Max) |
| Temperature Range | -40°C to +85°C (Industrial Grade) |
| Data Retention | More than 100 years |
| Erase/Write Cycles | More than 1 million cycles |
| Power Supply | 1.7V to 5.5V |
| Write Protect | Hardware write-protect pin |
Key Features
- Low power consumption with a typical read current of 0.4 mA and a maximum standby current of 6 uA.
- Supports up to 8 devices on the I2C bus.
- Self-timed erase and write cycle with a maximum of 5 ms.
- Hardware write-protect pin for data security.
- More than 1 million erase/write cycles and data retention of more than 100 years.
- Extended temperature range available, qualified for automotive applications.
- Factory programming available.
Applications
- Data retention in various applications.
- Consumer-grade products requiring low-power and low-voltage memory solutions.
- Commercial-grade products, including industrial and automotive applications.
Q & A
- What is the memory capacity of the AT24C02C-XPD-T? The AT24C02C-XPD-T has a memory capacity of 256 x 8 bits (2 kb).
- What is the communication interface used by the AT24C02C-XPD-T? The AT24C02C-XPD-T uses an I2C (2-wire) serial bus interface.
- How many devices can be connected on the same I2C bus? Up to 8 devices can be connected on the same I2C bus.
- What is the maximum erase and write cycle time? The maximum erase and write cycle time is 5 ms.
- What is the typical read current and maximum standby current? The typical read current is 0.4 mA, and the maximum standby current is 6 uA.
- What is the temperature range for the AT24C02C-XPD-T? The temperature range is -40°C to +85°C (Industrial Grade).
- How long does the data retention last? The data retention lasts for more than 100 years.
- How many erase/write cycles does the AT24C02C-XPD-T support? The AT24C02C-XPD-T supports more than 1 million erase/write cycles.
- Is the AT24C02C-XPD-T qualified for automotive applications? Yes, the AT24C02C-XPD-T is qualified for automotive applications.
- Is factory programming available for the AT24C02C-XPD-T? Yes, factory programming is available for the AT24C02C-XPD-T.
