8-bit AVR Microcontrollers

Power Consumption

Table 1. ATmega328PB 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
ICC	Power Supply Current⁽¹⁾	Active 1 MHz, VCC = 2V	T=85°C		0.2	0.5	mA
		Active 1 MHz, VCC = 2V	T=105°C		0.2	0.6
		Active 4 MHz, VCC = 3V	T=85°C		1.4	2.5
		Active 4 MHz, VCC = 3V	T=105°C		1.4	2.75
		Active 8 MHz, VCC = 5V	T=85°C		5.2	9.0
		Active 8 MHz, VCC = 5V	T=105°C		5.2	10
		Idle 1 MHz, VCC = 2V	T=85°C		0.06	0.15
		Idle 1 MHz, VCC = 2V	T=105°C		0.06	0.20
		Idle 4 MHz, VCC = 3V	T=85°C		0.4	0.7
		Idle 4 MHz, VCC = 3V	T=105°C		0.4	0.8
		Idle 8 MHz, VCC = 5V	T=85°C		1.5	2.7
		Idle 8 MHz, VCC = 5V	T=105°C		1.5	3.0
	Power-save mode⁽³⁾	32 KHz TOSC enabled, V_CC = 1.8V	T = 25°C		1.3		μA
			T = 85°C		1.9
			T = 105°C		2.5
		32 KHz TOSC enabled, V_CC = 3V	T = 25°C		1.5
			T = 85°C		2.1
			T = 105°C		2.8
	Power-down mode⁽³⁾⁽⁴⁾	WDT enabled, VCC = 3V	T = 25°C		3.2
			T = 85°C		3.8	8
			T = 105°C		4.6	10
		WDT disabled, VCC = 3V	T = 25°C		0.2
			T = 85°C		0.7	2
			T = 105°C		1.4	5

Notes:

1.Values with Minimizing Power Consumption enabled (0xFF).
2.Typical values are at 25°C unless otherwise noted.
3.The current consumption values include input leakage current.

Note: No clock is applied to the pad during power-down mode.