CMT2380F64
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Rev 0.3 | 23 / 83
VDD
Condition
Rise/Fall Time (ns)
Propagation Delay (ns)
Driving
Strength
Slew Rate
Control
C
Loading
(pf)
Min
Typ
Max
Min
Typ
Max
100
14.2
16.7
30.5
12
15
29
High (DR=0)
Slow (SR=1)
25
2.4
3.7
7.2
5.5
8.5
17.1
50
3.9
5.5
10.5
6.5
9.6
19.2
100
7.3
9.3
17.2
8.4
12
23
Fast (SR=0)
25
2
3.1
5.9
4.9
7.6
16
50
3.7
4.9
9.5
5.8
8.7
18
100
7.2
8.8
17
7.7
11
22
1.8V
(1.62~1.98)
Low (DR=1)
Slow (SR=1)
25
8
12
22
14
23
44
50
15
20
36
18
27
52
100
29
36
65
26
36
66
Fast (SR=0)
25
7.5
10.5
16.4
12.25
20
40
50
14.5
18.5
33
16.5
24.2
47
100
28
35
62
24
33
62
High (DR=0)
Slow (SR=1)
25
4.6
8
15.4
12
20.2
40
50
7.6
11.8
22
14
22.5
44
100
11.5
19.5
36
17.5
26.7
52
Fast (SR=0)
25
4
6.9
14
10.5
18
36
50
7.3
11
20
12.3
20
40
100
15
18.5
33
16
25
47
10%V1
90%V1
10%V1
tr
tf
50%V1
50%V1
tdr
tdf
50%V1
50%V1
I/O AC characteristic definition
1.18 MCU_NRST Pin Characteristics
NRST pin input driver uses CMOS technology. MCU_NRST pin is connected to a pull-up resistor that cannot be
disconnected.
NRST
Pin Characteristics
Symbol
Parameter
VDD
Min
Typ
Max
Unit
V
IL(NRST)
(1)
NRST low level input voltage
1.8 V~3.6 V
-
-
0.3 VDD
V
V
IH(NRST)
(1)
NRST high level input voltage
1.8 V~3.6 V
0.7VDD
-
-
V
hys(NRST)
NRST schmitt trigger voltage
hysteresis
1.8 V~3.6 V
-
220
-
mV
R
PU
Internal pull-up resistor
(2)
1.8 V~3.6 V
30
40
50
kΩ
V
F(NRST)
(1)
NRST input filter pulse
1.8 V~2 V
-
-
100
ns
3 V~3.6 V
-
-
100
V
NF(NRST)
(1)
NRST input unfiltered pulse
1.8 V~2 V
650
-
-
ns
3 V~3.6 V
300
-
-
