Datasheet

Electrical characteristics STM32L496xx
120/272 DS11585 Rev 9
6.3.2 Operating conditions at power-up / power-down
The parameters given in Table 23 are derived from tests performed under the ambient
temperature condition summarized in Table 22.
The requirements for power-up/down sequence specified in Section 3.10.1: Power supply
schemes must be respected.
6.3.3 Embedded reset and power control block characteristics
The parameters given in Table 24 are derived from tests performed under the ambient
temperature conditions summarized in Table 22: General operating conditions.
Table 23. Operating conditions at power-up / power-down
(1)
1. At Power up, the V
DD12
voltage should not be forced externally
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 
t
VDDIO2
V
DDIO2
rise time rate
-
0 
µs/V
V
DDIO2
fall time rate 10 
Table 24. Embedded reset and power control block characteristics
Symbol Parameter Conditions
(1)
Min Typ Max Unit
t
RSTTEMPO
(2)
Reset temporization after
BOR0 is detected
V
DD
rising - 250 400 s
V
BOR0
(2)
Brown-out reset threshold 0
Rising edge 1.62 1.66 1.7
V
Falling edge 1.6 1.64 1.69
V
BOR1
Brown-out reset threshold 1
Rising edge 2.06 2.1 2.14
V
Falling edge 1.96 2 2.04
V
BOR2
Brown-out reset threshold 2
Rising edge 2.26 2.31 2.35
V
Falling edge 2.16 2.20 2.24
V
BOR3
Brown-out reset threshold 3
Rising edge 2.56 2.61 2.66
V
Falling edge 2.47 2.52 2.57
V
BOR4
Brown-out reset threshold 4
Rising edge 2.85 2.90 2.95
V
Falling edge 2.76 2.81 2.86
V
PVD0
Programmable voltage
detector threshold 0
Rising edge 2.1 2.15 2.19
V
Falling edge 2 2.05 2.1
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