Si1003 Description
0.9 to 3.6 V Operation - Typical sleep mode current < 0.1 µA; retains state and RAM contents over full supply range; fast wakeup of < 2 µs - Less than 600 nA with RTC running - Less than 1 µA with RTC running and radio state retained - On-chip dc-dc converter allows operation down to 0.9.