AT24C02B is a 2K (2048 bits) serial electrically erasable and programmable read-only memory (EEPROM) produced by Microchip
The AT24C02B is a 2‑Kbit (256 × 8) serial EEPROM offering low‑voltage operation from 1.8 V to 5.5 V. It is available in multiple 8‑lead packages such as PDIP, SOIC, TSSOP, Ultra‑Thin Mini‑MAP, and dBGA2, and includes a write‑protect pin for hardware data protection.
The document provides detailed electrical characteristics, timing diagrams, pin descriptions, memory organization, and recommended operating conditions, along with revision history and Atmel contact information for technical support.
| Supply Voltage | 1.8 V to 5.5 V |
|---|---|
| Endurance | 1 Million write cycles |
| Data Retention | 100 years |
| Operating Temperature | -40 °C to +85 °C |
| Package Types | PDIP, SOIC, TSSOP, Ultra‑Thin Mini‑MAP, dBGA2, SOT23 |
| Page Size | 8 bytes per page |
Each page can hold 8 bytes of data.
The AT24C02B operates from 1.8 V to 5.5 V.
The device is rated for 1 million write cycles.