User manual
CY8C27143, CY8C27243
CY8C27443, CY8C27543, CY8C27643
Document Number: 38-12012 Rev. *O Page 34 of 53
AC General Purpose I/O Specifications
The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40°C ≤ T
A
≤ 85°C, or 3.0V to 3.6V 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.
Figure 17. GPIO Timing Diagram
AC Operational Amplifier Specifications
The following tables list guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40°C ≤ T
A
≤ 85°C, or 3.0V to 3.6V 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.
Settling times, slew rates, and gain bandwidth are based on the Analog Continuous Time PSoC block.
Power = High and Opamp Bias = High is not supported at 3.3V.
Table 32. AC GPIO Specifications
Symbol Description Min Typ Max Unit Notes
F
GPIO
GPIO Operating Frequency 0 – 12 MHz Normal Strong Mode
T
RiseF
Rise Time, Normal Strong Mode, Cload = 50 pF 3 – 18 ns Vdd = 4.5 to 5.25V, 10% - 90%
T
FallF
Fall Time, Normal Strong Mode, Cload = 50 pF 2 – 18 ns Vdd = 4.5 to 5.25V, 10% - 90%
T
RiseS
Rise Time, Slow Strong Mode, Cload = 50 pF 10 27 – ns Vdd = 3 to 5.25V, 10% - 90%
T
FallS
Fall Time, Slow Strong Mode, Cload = 50 pF 10 22 – ns Vdd = 3 to 5.25V, 10% - 90%
TFallF
TFallS
TRiseF
TRiseS
90%
10%
GPIO
Pin
Output
Voltage
Table 33. 5V AC Operational Amplifier Specifications
Symbol Description Min Typ Max Unit
T
ROA
Rising Settling Time from 80% of ΔV to 0.1% of ΔV (10 pF load, Unity Gain)
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Power = High, Opamp Bias = High
–
–
–
–
–
–
3.9
0.72
0.62
μs
μs
μs
T
SOA
Falling Settling Time from 20% of ΔV to 0.1% of ΔV (10 pF load, Unity Gain)
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Power = High, Opamp Bias = High
–
–
–
–
–
–
5.9
0.92
0.72
μs
μs
μs
SR
ROA
Rising Slew Rate (20% to 80%)(10 pF load, Unity Gain)
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Power = High, Opamp Bias = High
0.15
1.7
6.5
–
–
–
–
–
–
V/μs
V/μs
V/μs
SR
FOA
Falling Slew Rate (20% to 80%)(10 pF load, Unity Gain)
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Power = High, Opamp Bias = High
0.01
0.5
4.0
–
–
–
–
–
–
V/μs
V/μs
V/μs
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