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VIL
VIN
VDD
VIH
VINTERNAL
VHYS
(SIUL register)
Figure 3. I/O input DC electrical characteristics definition
Table 7. I/O input DC electrical characteristics
Symbol
Parameter
Conditions
Value
Unit
Min
Typ
Max
VIHTTL
TTL input high level
3.0 V < V
DD_HV_IO
< 5.5 V
2.0
—
V
DD_HV_IO
+
0.3
V
VILTTL
TTL input low level
3.0 V < V
DD_HV_IO
< 5.5 V
V
SS
-0.3
—
0.6
V
VHYSTTL
TTL level input hysteresis
3.0 V < V
DD_HV_IO
< 5.5 V
0.3
—
—
V
VDRFTTTL
TTL Input VIL/VIH
temperature drift
—
—
—
mV
VIHCMOS_H CMOS input high level
(with hysteresis)
3.0 V < V
DD_HV_IO
< 5.5 V
0.65 *
V
DD_HV_IO
—
V
DD_HV_IO
+ 0.3
V
VIHCMOS
CMOS input high level
(without hysteresis)
3.0 V < V
DD_HV_IO
< 5.5 V
0.55 *
V
DD_HV_IO
—
V
DD_HV_IO
+
0.3
V
VILCMOS_H CMOS input low level (with
hysteresis)
3.0 V < V
DD_HV_IO
< 5.5 V
V
SS
-0.3
—
0.35 *
V
DD_HV_IO
V
VILCMOS
CMOS input low level
(without hysteresis)
3.0 V < V
DD_HV_IO
< 5.5 V
V
SS
-0.3
—
0.4 *
V
DD_HV_IO
V
VHYSCMOS CMOS input hysteresis
3.0 V < V
DD_HV_IO
< 5.5 V
0.1 *
V
DD_HV_IO
—
—
V
VDRFTCMO
S
CMOS Input VIL/VIH
temperature drift
—
—
—
mV
I
LKG
Digital input leakage
GPIO pins
V
SS
< V
IN
< V
DD_HV_IO
-1.0
—
1.0
µA
C
IN
Input capacitance
GPIO and Input pins
—
—
8
pF
1. Supported input levels vary according to pad types. Pad type "pad_sr_hv" supports only the CMOS input level, while pad
type "pad_isatww_st_hv" supports TTL and CMOS levels. Refer to the IO spreadsheet attached to the Reference Manual
for the pad type of each pin.
I/O pad specification
SPC5746R Microcontroller Data Sheet, Rev. 6, 06/2017
NXP Semiconductors
13