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CY8C20x36/46/66, CY8C20396
Document Number: 001-12696 Rev. *D Page 18 of 34
DC General Purpose IO Specifications
The following tables list guaranteed maximum and minimum specifications for the voltage and temperature ranges: 3.0V to 5.5V and
–40°C ≤ T
A
≤ 85°C, 2.4V to 3.0V and –40°C ≤ T
A
≤ 85°C, or 1.71V to 2.4V and –40°C ≤ T
A
≤ 85°C, respectively. Typical parameters
apply to 5V and 3.3V at 25°C and are for design guidance only.
Table 15. 3.0V to 5.5V DC GPIO Specifications
Symbol Description Conditions Min Typ Max Units
R
PU
Pull up Resistor 4 5.6 8 kΩ
V
OH1
High Output Voltage
Port 2 or 3 Pins
IOH < 10 μA, maximum of 10 mA source
current in all IOs
Vdd - 0.2 – – V
V
OH2
High Output Voltage
Port 2 or 3 Pins
IOH = 1 mA, maximum of 20 mA source
current in all IOs
Vdd - 0.9 – – V
V
OH3
High Output Voltage
Port 0 or 1 Pins with LDO Regulator
Disabled for Port 1
IOH < 10 μA, maximum of 10 mA source
current in all IOs
Vdd - 0.2 – – V
V
OH4
High Output Voltage
Port 0 or 1 Pins with LDO Regulator
Disabled for Port 1
IOH = 5 mA, maximum of 20 mA source
current in all IOs
Vdd - 0.9 – – V
V
OH5
High Output Voltage
Port 1 Pins with LDO Regulator
Enabled for 3V Out
IOH < 10 μA, Vdd > 3.1V, maximum of
4 IOs all sourcing 5 mA
2.85 3.00 3.3 V
V
OH6
High Output Voltage
Port 1 Pins with LDO Regulator
Enabled for 3V Out
IOH = 5 mA, Vdd > 3.1V, maximum of
20 mA source current in all IOs
2.20 – – V
V
OH7
High Output Voltage
Port 1 Pins with LDO Enabled for 2.5V
Out
IOH < 10 μA, Vdd > 2.7V, maximum of
20 mA source current in all IOs
2.35 2.50 2.75 V
V
OH8
High Output Voltage
Port 1 Pins with LDO Enabled for 2.5V
Out
IOH = 2 mA, Vdd > 2.7V, maximum of
20 mA source current in all IOs
1.90 – – V
V
OH9
High Output Voltage
Port 1 Pins with LDO Enabled for 1.8V
Out
IOH < 10 μA, Vdd > 2.7V, maximum of
20 mA source current in all IOs
1.60 1.80 2.1 V
V
OH10
High Output Voltage
Port 1 Pins with LDO Enabled for 1.8V
Out
IOH = 1 mA, Vdd > 2.7V, maximum of
20 mA source current in all IOs
1.20 – – V
V
OL
Low Output Voltage IOL = 25 mA, Vdd > 3.3V, 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])
––0.75V
V
IL
Input Low Voltage – – 0.80 V
V
IH
Input High Voltage 2.00 – V
V
H
Input Hysteresis Voltage – 80 – mV
I
IL
Input Leakage (Absolute Value) – 0.001 1 μA
C
PIN
Pin Capacitance Package and pin dependent
Temp = 25°C
0.5 1.7 5 pF
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