ATtiny1624/1626/1627

General Operating Ratings

The device must operate within the ratings listed in this section for all other electrical characteristics and typical characteristics of the device to be valid.
Table 1. General Operating Conditions
Symbol Description Condition Min. Max. Unit
VDD Operating supply voltage Industrial 1.8(1,2) 5.5 V
VAO - Auto Grade and Extended Operating temperature range 2.7(2,3) 5.5 V
TA Operating temperature range Extended -40 125 °C
Industrial -40 85
Notes:
  1. 1.Operation is ensured down to 1.8V or BOD triggering level VBOD when BOD is active.
  2. 2.During Chip Erase, the BOD is forced ON. If the supply voltage VDD is below the configured VBOD, the erase attempt will fail.
  3. 3.Operation is ensured down to 2.7V or BOD triggering level VBOD when BOD is active.
Table 2. Operating Voltage and Frequency
Symbol Description Condition Min. Max. Unit
fCLK_CPU Nominal operating system clock frequency TA = [-40, 85]°C

VDD = [1.8, 2.7]V(1,4)

 0 5 MHz
VDD = [2.7, 4.5]V(2) 0 10
VDD = [4.5, 5.5]V(3) 0 20
TA = [85, 125]°C VDD = [2.7, 4.5]V(2) 0 8

VDD = [4.5, 5.5]V(3)

 0 16
Notes:
  1. 1.Operation is ensured down to BOD triggering level, VBOD with BODLEVEL0.
  2. 2.Operation is ensured down to BOD triggering level, VBOD with BODLEVEL2.
  3. 3.Operation is ensured down to BOD triggering level, VBOD with BODLEVEL7.
  4. 4.These specifications do not apply to automotive range parts (-VAO).

The maximum CPU clock frequency depends on VDD. As shown in the figure below, the Maximum Frequency vs. VDD is linear between 1.8V < VDD < 2.7V and 2.7V < VDD < 4.5V.

Figure 1. Maximum Frequency vs. VDD for [-40, 85]°C
Figure 2. Maximum Frequency vs. VDD for [85, 125]°C
Parent topic: Electrical Characteristics