RTC I2C/Serial SOIC 32.768kHz 5.5V 70°C
RTC W/TCXO, I²C, 2WIRE SERI, 20SOIC
DS3232S Real-Time Clock IC, I2C/Series, 236B Memory, SOIC Package
IC RTC W/TCXO 20-SOIC
Extremely Accurate I2C RTC 20-Pin SOIC W