Power Consumption

Operating conditions:

V_DD = 3V
T = 25°C
OSC20M used as the system clock source, unless otherwise specified
System power consumption measured with peripherals disabled and without I/O drive

Table 1. Power Consumption in Active, Idle, Power-Down, Standby and Reset Mode
Mode	Description	Condition		Min.	Typ.	Max.	Unit
Active	Active power consumption	CLK_CPU = 20 MHz (OSC20M)	V_DD = 5V	-	9.1	-	mA
		CLK_CPU = 10 MHz (OSC20M div2)	V_DD = 5V	-	4.9	-	mA
		CLK_CPU = 10 MHz (OSC20M div2)	V_DD = 3V	-	2.8	-	mA
		CLK_CPU = 5 MHz (OSC20M div4)	V_DD = 5V	-	2.8	-	mA
			V_DD = 3V	-	1.6	-	mA
			V_DD = 2V	-	1.1	-	mA
		CLK_CPU = 32.768 kHz (OSCULP32K)	V_DD = 5V	-	18	-	µA
			V_DD = 3V	-	10	-	µA
			V_DD = 2V	-	7.2	-	µA
Idle	Idle power consumption	CLK_CPU = 20 MHz (OSC20M)	V_DD = 5V	-	2.4	3.6⁽¹⁾	mA
		CLK_CPU = 10 MHz (OSC20M div2)	V_DD = 5V	-	1.4	2.1⁽¹⁾	mA
		CLK_CPU = 10 MHz (OSC20M div2)	V_DD = 3V	-	0.8	1.2⁽¹⁾	mA
		CLK_CPU = 5 MHz (OSC20M div4)	V_DD = 5V	-	1.0	1.5⁽¹⁾	mA
			V_DD = 3V	-	0.6	0.9	mA
			V_DD = 2V	-	0.4	-	mA
		CLK_CPU = 32.768 kHz (OSCULP32K)	V_DD = 5V	-	4.8	15⁽¹⁾	µA
			V_DD = 3V	-	2.4	10⁽¹⁾	µA
			V_DD = 2V	-	1.5	-	µA
Standby	Standby power consumption	RTC running at 1.024 kHz from external XOSC32K (C_L = 7.5 pF)		-	0.7	-	µA
		RTC running at 1.024 kHz from internal OSCULP32K	T = 25°C	-	0.7	2.0	µA
			T = 85°C	-	-	6.0⁽¹⁾	µA
			T = 125°C	-	-	8.0	µA
Power Down/Standby	Power-down/Standby power consumption are the same when all peripherals are stopped	All peripherals stopped	T = 25°C	-	0.1	1.5	µA
			T = 85°C	-	-	4.0⁽¹⁾	µA
			T = 125°C	-	-	7.0	µA
Reset	Reset power consumption	Reset line pulled low		-	100	-	µA

Note:

1.These values are based on characterization and not covered by production test limits.

ATtiny1624/1626/1627