Operating Conditions; General Operating Conditions; Table 21. General Operating Conditions - STMicroelectronics STM32F042G4 Manual

STM32F042xx
6.3

Operating conditions

6.3.1

General operating conditions

Symbol
f Internal AHB clock frequency
HCLK
f Internal APB clock frequency
PCLK
V Standard operating voltage
DD
V I/O supply voltage
DDIO2
Analog operating voltage
(ADC not used)
V
DDA
Analog operating voltage
(ADC used)
V Backup operating voltage
BAT
V I/O input voltage
IN
Power dissipation at T
P for suffix 6 or T
D
suffix 7
Ambient temperature for the
suffix 6 version
T
A
Ambient temperature for the
suffix 7 version
T Junction temperature range
J
1. To sustain a voltage higher than V
2. If T is lower, higher P
A D
3. In low power dissipation state, T
Thermal characteristics).

Table 21. General operating conditions

Parameter
= 85 °C
A
= 105 °C for
A
(2)
+0.3 V, the internal pull-up/pull-down resistors must be disabled.
DDIOx
values are allowed as long as T
can be extended to this range as long as T
A
DocID025832 Rev 2
Conditions
Must not be supplied if V
is not present
Must have a potential equal
to or higher than V
DD
TC and RST I/O
TTa I/O
FT and FTf I/O
LQFP48
UFQFPN48
WLCSP36
LQFP32
UFQFPN32
UFQFPN28
TSSOP20
Maximum power dissipation
(3)
Low power dissipation
Maximum power dissipation
(3)
Low power dissipation
Suffix 6 version
Suffix 7 version
does not exceed T
J Jmax
does not exceed T
J
Electrical characteristics
Min Max
0 48
0 48
2.0 3.6
DD
1.65 3.6
V 3.6
DD
2.4 3.6
1.65 3.6
-0.3 V
DDIOx
-0.3 V +0.3
DDA
(1)
-0.3 5.5
- 364
- 606
- 313
- 351
- 526
- 170
- 263
–40 85
–40 105
–40 105
–40 125
–40 105
–40 125
. See Section 7.2: Thermal
(see Section 7.2:
Jmax
Unit
MHz
V
V
V
V
+0.3
V
mW
°C
°C
°C
characteristics.
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