Overview
The Microchip AT24C02C-STPD-TVAO 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 capacities, and is specifically organized as 256 x 8 bits. It is designed for low-power and low-voltage applications, making it suitable for both industrial and commercial use cases. The AT24C02C-STPD-TVAO is known for its high data retention and endurance, with more than 1 million erase/write cycles and data retention of over 100 years.
Key Specifications
Specification | Value |
---|---|
Capacity | 2 Kb (256 x 8 bits) |
Interface | I2C (2-wire) serial bus |
Clock Frequency | 400 kHz (1.7V), 1 MHz (>2.5 V) |
Devices on Bus | Up to 8 devices |
Erase/Write Cycle Time | 5 ms max. |
Read Current | 0.4 mA (Typ), 1 mA (Max) |
Standby Current | 6 uA (Max) |
Write Protect | Hardware write-protect pin |
Data Retention | > 100 years |
Temperature Range | -40°C to +125°C (Grade 1), -40°C to +105°C (Grade 2), -40°C to +85°C (Grade 3) |
Package | TSOT-23-5 |
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 time of 5 ms.
- Hardware write-protect pin for data security.
- More than 1 million erase/write cycles.
- Data retention of over 100 years.
- Extended temperature range available, making it suitable for automotive and other harsh environment applications.
- Factory programming available.
Applications
- Data retention in various applications where persistent storage is required.
- Consumer-grade products, such as home appliances and personal electronics.
- Commercial-grade products, including industrial control systems and automation devices.
- Automotive applications due to its extended temperature range and high reliability.
Q & A
- What is the capacity of the AT24C02C-STPD-TVAO EEPROM? The AT24C02C-STPD-TVAO has a capacity of 2 Kb, organized as 256 x 8 bits.
- What interface does the AT24C02C-STPD-TVAO use for communication? The AT24C02C-STPD-TVAO uses an I2C (2-wire) serial bus interface.
- What are the clock frequencies supported by the AT24C02C-STPD-TVAO? 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 maximum erase/write cycle time for the AT24C02C-STPD-TVAO? The maximum erase/write cycle time is 5 ms.
- What is the typical read current and maximum standby current of the AT24C02C-STPD-TVAO? The typical read current is 0.4 mA, and the maximum standby current is 6 uA.
- Does the AT24C02C-STPD-TVAO have a write protect feature? Yes, it has a hardware write-protect pin.
- How long does the AT24C02C-STPD-TVAO retain data? The device retains data for over 100 years.
- What are the temperature ranges supported by the AT24C02C-STPD-TVAO? The device supports temperature ranges of -40°C to +125°C (Grade 1), -40°C to +105°C (Grade 2), and -40°C to +85°C (Grade 3).
- Is the AT24C02C-STPD-TVAO suitable for automotive applications? Yes, it is qualified for automotive applications due to its extended temperature range and high reliability).