Datasheet

Electrical characteristics STM32L476xx
170/270 DS10198 Rev 8
I
lkg
(4)
FT_xx input leakage
current
(3)(5)
V
IN

Max(V
DDXXX
)
(6)(7)
- - ±100
nA
Max(V
DDXXX
)  V
IN

Max(V
DDXXX
)+1 V
(6)(7)
--650
Max(V
DDXXX
)+1 V <
V
IN
 5.5 V
(6)(7)
--200
FT_lu, FT_u and PC3
I/Os
V
IN
 Max(V
DDXXX
)
(6)(7)
- - ±150
Max(V
DDXXX
)  V
IN

Max(V
DDXXX
)+1 V
(6)(7)
- - 2500
(3)
Max(V
DDXXX
)+1 V <
V
IN
 5.5 V
(6)(7)
--250
TT_xx input leakage
current
V
IN
 Max(V
DDXXX
)
(6)
- - ±150
Max(V
DDXXX
)  V
IN
<
3.6 V
(6)
- - 2000
(3)
OPAMPx_VINM
(x=1,2) dedicated
input leakage current
(UFBGA132 and
UFBGA144 only)
---
(8)
R
PU
Weak pull-up
equivalent resistor
(9)
V
IN
= V
SS
25 40 55 k
R
PD
Weak pull-down
equivalent resistor
(9)
V
IN
= V
DDIOx
25 40 55 k
C
IO
I/O pin capacitance - - 5 - pF
1. Refer to Figure 29: I/O input characteristics.
2. Guaranteed by test in production.
3. Guaranteed by design.
4. This value represents the pad leakage of the IO itself. The total product pad leakage is provided by this formula:
I
Total_Ileak_max
= 10 µA + [number of IOs where V
IN
is applied on the pad]  I
lkg
(Max).
5. All FT_xx GPIOs except FT_lu, FT_u and PC3 I/Os.
6. Max(V
DDXXX
) is the maximum value of all the I/O supplies.
7. To sustain a 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.
8. Refer to I
bias
in Table 86: OPAMP characteristics for the values of the OPAMP dedicated input leakage current.
9. Pull-up and pull-down resistors are designed with a true resistance in series with a switchable PMOS/NMOS. This
PMOS/NMOS contribution to the series resistance is minimal (~10% order).
Table 70. I/O static characteristics (continued)
Symbol Parameter Conditions Min Typ Max Unit
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