CY8CTST110
Document Number: 001-46931 Rev. *B
Page 15 of 32
DC General Purpose IO Specifications
The following tables list the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40°C
≤ T
A ≤ 85°C, 3.0V to 3.6V and -40°C ≤ TA ≤ 85°C, or 2.4V to 3.0V and -40°C ≤ TA ≤ 85°C, respectively. Typical parameters
apply to 5V, 3.3V, and 2.7V at 25°C. These are for design guidance only.
Table 9. 5V and 3.3V DC GPIO Specifications
Symbol
Description
Min
Typ
Max
Units
Notes
RPU
Pull Up Resistor
4
5.6
8
k
Ω
RPD
Pull Down Resistor
4
5.6
8
k
Ω
VOH
High Output Level
Vdd - 1.0
–
–
V
IOH = 10 mA, Vdd = 4.75 to 5.25V (8
total loads, 4 on even port pins (for
example, P0[2], P1[4]), 4 on odd port
pins (for example, P0[3], P1[5])).
VOL
Low Output Level
–
–
0.75
V
IOL = 25 mA, Vdd = 4.75 to 5.25V (8
total loads, 4 on even port pins (for
example, P0[2], P1[4]), 4 on odd port
pins (for example, P0[3], P1[5])).
VIL
Input Low Level
–
–
0.8
V
Vdd = 3.0 to 5.25.
VIH
Input High Level
2.1
–
V
Vdd = 3.0 to 5.25.
VH
Input Hysteresis
–
60
–
mV
IIL
Input Leakage (Absolute Value)
–
1
–
nA
Gross tested to 1
μA.
CIN
Capacitive Load on Pins as Input
–
3.5
10
pF
Package and pin dependent.
Temp = 25 oC.
COUT
Capacitive Load on Pins as Output
–
3.5
10
pF
Package and pin dependent.
Temp = 25 oC.
Table 10. 2.7V DC GPIO Specifications
Symbol
Description
Min
Typ
Max
Units
Notes
RPU
Pull Up Resistor
4
5.6
8
k
Ω
RPD
Pull Down Resistor
4
5.6
8
k
Ω
VOH
High Output Level
Vdd - 0.4
–
–
V
IOH = 2.5 mA (6.25 Typ), Vdd = 2.4
to 3.0V (16 mA maximum, 50 mA Typ
combined IOH budget).
VOL
Low Output Level
–
–
0.75
V
IOL = 10 mA, Vdd = 2.4 to 3.0V (90
mA maximum combined IOL budget).
VIL
Input Low Level
–
–
0.75
V
Vdd = 2.4 to 3.0.
VIH
Input High Level
2.0
–
–
V
Vdd = 2.4 to 3.0.
VH
Input Hysteresis
–
90
–
mV
IIL
Input Leakage (Absolute Value)
–
1
–
nA
Gross tested to 1
μA.
CIN
Capacitive Load on Pins as Input
–
3.5
10
pF
Package and pin dependent.
Temp = 25oC.
COUT
Capacitive Load on Pins as Output
–
3.5
10
pF
Package and pin dependent.
Temp = 25oC.
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