DS2770AE-025/T&R

DS3231N Maxim Integrated Produc... Extremely Accurate I2C-Integrated RTC-TCXO-Crystal Rev 9; 1/13 DS3231M Maxim Integrated Produc... ±5ppm, I2C Real-Time Clock Rev 7; 3/15 DS3231M_1112 Maxim Integrated Produc... ±5ppm, I2C Real-Time Clock Rev 3; 12/11 DS3231MZ/V+ Maxim Integrated Produc... ±5ppm, I2C Real-Time Clock Rev 4; 9/12 DS3231MZ+TRL Maxim Integrated Produc... ±5ppm, I2C Real-Time Clock Rev 7; 3/15 DS3231MZ+ Maxim Integrated Produc... ±5ppm, I2C Real-Time Clock Rev 7; 3/15 DS3231MZ Maxim Integrated Produc... 5ppm, I2C Real-Time Clock Battery Backup for Continuous Timekeeping Rev 1; 5/11 DS3231MPMB1 Maxim Integrated Produc... DS3231MPMB1 Peripheral Module Rev 0; 5/12