Datasheet

DS10198 Rev 8 119/270
STM32L476xx Electrical characteristics
238
6.3.2 Operating conditions at power-up / power-down
The parameters given in Table 24 are derived from tests performed under the ambient
temperature condition summarized in Table 23.
P
D
Power dissipation at T
A
=
125 °C for suffix 3
(4)
LQFP144 - - 156
mW
LQFP100 - - 119
LQFP64 - - 111
UFBGA144 - - 94
UFBGA132 - - 90
WLCSP81 - - 121
WLCSP72 - - 108
T
A
Ambient temperature for the
suffix 6 version
Maximum power dissipation –40 85
°C
Low-power dissipation
(5)
–40 105
Ambient temperature for the
suffix 7 version
Maximum power dissipation –40 105
Low-power dissipation
(5)
–40 125
Ambient temperature for the
suffix 3 version
Maximum power dissipation –40 125
Low-power dissipation
(5)
–40 130
T
J Junction temperature range
Suffix 6 version –40 105
°CSuffix 7 version –40 125
Suffix 3 version –40 130
1. When RESET is released functionality is guaranteed down to V
BOR0
Min.
2. This formula has to be applied only on the power supplies related to the IO structure described by the pin definition table.
Maximum I/O input voltage is the smallest value between Min(V
DD
, V
DDA
, V
DDIO2
, V
DDUSB
, V
LCD
)+3.6 V and 5.5V.
3. For operation with voltage higher than Min (V
DD
, V
DDA
, V
DDIO2
, V
DDUSB
, V
LCD
) +0.3 V, the internal Pull-up and Pull-Down
resistors must be disabled.
4. If T
A
is lower, higher P
D
values are allowed as long as T
J
does not exceed T
Jmax
(see Section 7.8: Thermal characteristics).
5. In low-power dissipation state, T
A
can be extended to this range as long as T
J
does not exceed T
Jmax
(see Section 7.8:
Thermal characteristics).
Table 23. General operating conditions (continued)
Symbol Parameter Conditions Min Max Unit
Table 24. Operating conditions at power-up / power-down
(1)
Symbol Parameter Conditions Min Max Unit
t
VDD
V
DD
rise time rate
-
0 
µs/V
V
DD
fall time rate 10 
t
VDDA
V
DDA
rise time rate
-
0 
µs/V
V
DDA
fall time rate 10 
t
VDDUSB
V
DDUSB
rise time rate
-
0 
µs/V
V
DDUSB
fall time rate 10 
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