Datasheet

DocID030538 Rev 3 133/226
STM32H743xI Electrical characteristics
196
Output buffer timing characteristics (HSLV option enabled)
Table 61. Output timing characteristics (HSLV ON)
(1)
Speed Symbol Parameter conditions Min Max Unit
00
F
max
(2)
Maximum frequency
C=50 pF, 1.62 VV
DD
2.7 V - 10
MHzC=30 pF, 1.62 VV
DD
2.7 V - 10
C=10 pF, 1.62 VV
DD
2.7 V - 10
t
r
/t
f
(3)
Output high to low level
fall time and output low
to high level rise time
C=50 pF, 1.62 VV
DD
2.7 V - 11
nsC=30 pF, 1.62 VV
DD
2.7 V - 9
C=10 pF, 1.62 VV
DD
2.7 V - 6.6
01
F
max
(2)
Maximum frequency
C=50 pF, 1.62 VV
DD
2.7 V - 50
MHzC=30 pF, 1.62 VV
DD
2.7 V - 58
C=10 pF, 1.62 VV
DD
2.7 V - 66
t
r
/t
f
(3)
Output high to low level
fall time and output low
to high level rise time
C=50 pF, 1.62 VV
DD
2.7 V - 6.6
nsC=30 pF, 1.62 VV
DD
2.7 V - 4.8
C=10 pF, 1.62 VV
DD
2.7 V - 3
10
F
max
(2)
Maximum frequency
C=50 pF, 1.62 VV
DD
2.7 V
(4)
-55
MHzC=30 pF, 1.62 VV
DD
2.7 V
(4)
-80
C=10 pF, 1.62 VV
DD
2.7 V
(4)
- 133
t
r
/t
f
(3)
Output high to low level
fall time and output low
to high level rise time
C=50 pF, 1.62 VV
DD
2.7 V
(4)
-5.8
nsC=30 pF, 1.62 VV
DD
2.7 V
(4)
-4
C=10 pF, 1.62 VV
DD
2.7 V
(4)
-2.4
11
F
max
(2)
Maximum frequency
C=50 pF, 1.62 VV
DD
2.7 V
(4)
-60
MHzC=30 pF, 1.62 VV
DD
2.7 V
(4)
-90
C=10 pF, 1.62 VV
DD
2.7 V
(4)
- 175
t
r
/t
f
(3)
Output high to low level
fall time and output low
to high level rise time
C=50 pF, 1.62 VV
DD
2.7 V
(4)
-5.3
nsC=30 pF, 1.62 VV
DD
2.7 V
(4)
-3.6
C=10 pF, 1.62 VV
DD
2.7 V
(4)
-1.9
1. Guaranteed by design.
2. The maximum frequency is defined with the following conditions:
(t
r
+t
f
)  2/3 T
Skew  1/20 T
45%<Duty cycle<55%
3. The fall and rise times are defined between 90% and 10% and between 10% and 90% of the output waveform, respectively.
4. Compensation system enabled.
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