Overview
The Microchip Technology AT24C02-10TI-2.7-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 includes various capacities, but the AT24C02 specifically offers 256 bytes (2 kb) of memory organized as 32 words of 8 bits each. It is designed for low-power and low-voltage applications, making it suitable for both industrial and commercial use.
Key Specifications
| Specification | Value |
|---|---|
| Memory Capacity | 256 bytes (2 kb) |
| Organization | 32 words of 8 bits each |
| Clock Frequency | 400 kHz (1.7V), 1 MHz (>2.5 V) |
| Devices on Bus | Up to 8 devices |
| Erase and Write Cycle | Self-timed, 5 ms max. |
| Read Current | 0.4 mA (Typ), 1 mA (Max) |
| Standby Current | 6 uA (Max) |
| Data Retention | > 100 years |
| Erase/Write Cycles | > 1 million cycles |
| Temperature Range | -40°C to 125°C (Grade 1), -40°C to 105°C (Grade 2), -40°C to 85°C (Grade 3) |
| 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 duration of 5 ms.
- Hardware write-protect pin for data security.
- Data retention of more than 100 years.
- More than 1 million erase/write cycles.
- 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 AT24C02-10TI-2.7-T?
The AT24C02-10TI-2.7-T has a memory capacity of 256 bytes (2 kb), organized as 32 words of 8 bits each.
- What is the communication interface used by the AT24C02-10TI-2.7-T?
The device communicates using an I2C (2-wire) serial bus interface.
- What are the clock frequencies supported by the AT24C02-10TI-2.7-T?
The device supports clock frequencies of 400 kHz at 1.7V and 1 MHz at voltages above 2.5V.
- 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 data retention period of the AT24C02-10TI-2.7-T?
The device retains data for more than 100 years.
- What is the maximum number of erase/write cycles supported by the AT24C02-10TI-2.7-T?
The device supports more than 1 million erase/write cycles.
- What are the temperature ranges for the different grades of the AT24C02-10TI-2.7-T?
The temperature ranges are -40°C to 125°C (Grade 1), -40°C to 105°C (Grade 2), and -40°C to 85°C (Grade 3).
- Does the AT24C02-10TI-2.7-T have a write protection feature?
Yes, the device has a hardware write-protect pin for data security.
- Is the AT24C02-10TI-2.7-T suitable for automotive applications?
Yes, the device is qualified for automotive applications.
- Is factory programming available for the AT24C02-10TI-2.7-T?
Yes, factory programming is available for this device.
