Power Consumption

Table 1. ATmega324PB DC Characteristics - T_A = -40°C to 105°C, V_CC = 1.8V to 5.5V (unless otherwise noted)
Symbol	Parameter	Condition		Min.	Typ.⁽²⁾	Max.	Units
I_CC	Power Supply Current⁽¹⁾	Active 1MHz, V_CC = 2V		-	0.24	0.5	mA
		Active 4MHz, V_CC = 3V		-	1.5	2.5
		Active 8MHz, V_CC = 5V		-	5.2	8.0
		Idle 1MHz, V_CC = 2V		-	0.06	0.16
		Idle 4MHz, V_CC = 3V		-	0.35	0.7
		Idle 8MHz, V_CC = 5V		-	1.4	3.0
	Power-save mode⁽³⁾	32kHz TOSC enabled, V_CC = 1.8V	T = 25°C	-	1.0	-	μA
			T = 85°C	-	1.3	-
			T = 105°C	-	2	-
		32kHz TOSC enabled, V_CC = 3V	T = 25°C	-	1.1	-
			T = 85°C	-	1.4	-
			T = 105°C	-	2.2	-
	Power-down mode⁽³⁾	WDT enabled, V_CC = 3V	T = 25°C	-	2.9	8
			T = 85°C	-	3.5	8
			T = 105°C	-	4.2	15
		WDT disabled, V_CC = 3V	T = 25°C	-	0.2	2
			T = 85°C	-	0.7	2
			T = 105°C	-	1.3	5

Note:

Values with Minimizing Power Consumption enabled (PRR0=PRR1=0xFF).
Typical values are at 25°C unless otherwise noted.
The current consumption values include input leakage current. Inputs are tied externally low or high.