onsemi 계산하기

CAT24C02ZI-GT3A

A: The device offers a wide operating voltage range from 1.7V to 5.5V, making it compatible with 1.8V, 2.5V, 3.3V, and 5V logic systems without external level shifting. It supports I²C clock frequencies of 100 kHz (Standard‑mode) and 400 kHz (Fast‑mode) with a typical access time of 900 ns. Key features include a 16‑byte page write buffer for efficient programming, a self‑timed write cycle of 5 ms maximum, and hardware write protection for the entire memory array via the WP pin. Operating temperature range is industrial grade, from -40°C to +85°C (TA).

A: The CAT24C02ZI-GT3A uses a 2‑wire I²C serial bus consisting of a Serial Data (SDA) line and a Serial Clock (SCL) line. The device features three external address pins (A0, A1, A2) that allow up to eight CAT24C02 devices to share the same I²C bus without address conflicts. The I²C control byte is 1010DDDR, where the three "DDD" bits (most significant nibble) correspond to the logic levels on the A2, A1, and A0 address pins.

A: The CAT24C02ZI-GT3A offers non‑volatile memory with excellent reliability for long‑term operation. Endurance is rated for a minimum of 1,000,000 program/erase cycles per memory cell. In addition, the device guarantees a minimum data retention period of 100 years. Data is written by providing a starting address, then loading 1 to 16 contiguous bytes into the Page Write Buffer, which are then written together in one internal write cycle.

A: Thanks to its compact MSOP‑8 footprint, wide operating voltage, low power consumption (2 mA max active, 3 µA standby), and industrial temperature rating, the CAT24C02ZI-GT3A is an excellent choice for storing configuration settings, calibration data, serial numbers, system logs, and other critical non‑volatile data. Typical applications include industrial automation, consumer electronics, medical devices, automotive systems, alarm systems, telecommunications equipment, and Internet of Things (IoT) edge devices.