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CY8C20134_12 Datasheet, PDF (20/48 Pages) Cypress Semiconductor – PSoC® Programmable System-on-Chip™
CY8C20134, CY8C20234, CY8C20334
CY8C20434, CY8C20534, CY8C20634
Table 13. 5-V and 3.3-V DC GPIO Specifications
Symbol
Description
Min
VOH7
High output voltage
2.1
Port 1 pins with 2.4 V LDO regulator enabled
VOH8
High output voltage
2.0
Port 1 pins with 2.4 V LDO regulator enabled
VOH9
High output voltage
1.6
Port 1 pins with 1.8 V LDO regulator enabled
VOH10 High output voltage
1.5
Port 1 pins with 1.8 V LDO regulator enabled
VOL
Low output voltage
–
IOH
High level source current
–
IOH2
High level source current port 0, 2, or 3 pins
1
IOH4
High level source current port 1 Pins with
5
LDO regulator disabled
IOL
Low level sink current
20
VIL
Input low voltage
–
VIH
Input high voltage
2.0
VH
Input hysteresis voltage
–
IIL
Input leakage (absolute value)
–
CIN
Capacitive load on pins as input
0.5
COUT
Capacitive load on pins as output
0.5
Typ Max Units
Notes
2.4 2.7
V IOH < 10 µA, VDD  3.0 V , maximum
of 20 mA source current in all I/Os.
–
–
V IOH < 200 µA, VDD  3.0 V,
maximum of 20 mA source current
in all I/Os.
1.8 2.0
V IOH < 10 µA
3.0V  VDD  3.6 V
0 °C TA 85 °C
Maximum of 20 mA source current
in all I/Os.
–
–
V IOH < 100 µA.
3.0V  VDD  3.6 V.
0 °C TA 85 °C.
Maximum of 20 mA source current
in all I/Os.
– 0.75
V IOL = 20 mA, VDD > 3.0 V, maximum
of 60 mA sink current on even port
pins (for example, P0[2] and P1[4])
and 60 mA sink current on odd port
pins (for example, P0[3] and P1[5]).
–
20
–
–
–
–
–
–
– 0.8
–
–
140 –
mA VOH = VDD – 0.9. See the limitations
of the total current in the Notes for
VOH.
mA VOH = VDD – 0.9, for the limitations
of the total current and IOH at other
VOH levels, see the Notes for VOH.
mA VOH = VDD – 0.9, for the limitations
of the total current and IOH at other
VOH levels, see the Notes for VOH.
mA VOL = 0.75 V, see the limitations of
the total current in the Notes for VOL
V 3.6 V  VDD  5.25 V
V 3.6 V  VDD  5.25 V
mV
1
–
nA Gross tested to 1 µA
1.7 5
pF Package and pin dependent
Temperature = 25 °C
1.7 5
pF Package and pin dependent
Temperature = 25 °C
Document Number: 001-05356 Rev. *Q
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