Two-wire Serial EEPROM with Permanent Software Write Protect The part **AT34C02-10TU-1.8** is a **2K-bit (256 x 8) Serial EEPROM** manufactured by **ATMEL** (now part of Microchip Technology).  

### Key Specifications:  
- **Memory Size:** 2Kbit (256 bytes)  
- **Interface:** I²C (Two-wire serial interface)  
- **Supply Voltage:** **1.8V** (supports 1.7V to 3.6V operation)  
- **Speed:** **400 kHz** (Fast-mode I²C)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** **8-lead TSSOP** (Thin Shrink Small Outline Package)  
- **Write Cycle Endurance:** 1,000,000 cycles  
- **Data Retention:** 100 years  
- **Page Write Buffer:** 8 bytes  

This EEPROM is designed for low-voltage applications and features hardware write protection.  

(Source: ATMEL datasheet for AT34C02)