R5F10Y44 Datasheet, Renesas

Ultra-Low Power Technology
* 2.0 to 5.5 V operation from a single supply
* Stop (RAM retained): 0.56 µA
* Operating: 46 µA /MHz RL78-S1 Core
* Instruction.

R01DS0207EJ0300 Rev.3.00 Nov 19, 2014 1. OUTLINE 1.1 Features Ultra-Low Power Technology
* 2.0 to 5.5 V operation .