User manual

CY8C29466, CY8C29566
CY8C29666, CY8C29866
Document Number: 38-12013 Rev. *M Page 31 of 47
12.4.2 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 12-9. GPIO Timing Diagram
12.4.3 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 12-18. AC GPIO Specifications
Symbol Description Min Typ Max Unit Notes
F
GPIO
GPIO Operating Frequency 0 – 12.3 MHz Normal Strong Mode
TRiseF Rise Time, Normal Strong Mode, Cload = 50 pF 3 – 18 ns Vdd = 4.75 to 5.25V, 10% - 90%
TFallF Fall Time, Normal Strong Mode, Cload = 50 pF 2 – 18 ns Vdd = 4.75 to 5.25V, 10% - 90%
TRiseS Rise Time, Slow Strong Mode, Cload = 50 pF 10 27 – ns Vdd = 3 to 5.25V, 10% - 90%
TFallS 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 12-19. 5V AC Operational Amplifier Specifications
Symbol Description Min Typ Max Unit
T
ROA
Rising Settling Time to 0.1% for a 1V Step (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 to 0.1% for a 1V Step (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%) of a 1V Step (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%) of a 1V Step (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
BW
OA
Gain Bandwidth Product
Power = Low, Opamp Bias = Low
Power = Medium, Opamp Bias = High
Power = High, Opamp Bias = High
0.75
3.1
5.4
–
–
–
–
–
–
MHz
MHz
MHz
E
NOA
Noise at 1 kHz (Power = Medium, Opamp Bias = High) – 100 – nV/rt-Hz
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