Datasheet

CY8C21634, CY8C21534, CY8C21434
CY8C21334, CY8C21234
Document Number: 38-12025 Rev. AB Page 27 of 53
AC General Purpose I/O Specifications
The following tables list the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75 V to
5.25 V and –40 °C  T
A
 85 °C, 3.0 V to 3.6 V and –40 °C  T
A
 85 °C, or 2.4 V to 3.0 V and –40 °C  T
A
 85 °C, respectively.
Typical parameters are measured at 5 V, 3.3 V, or 2.7 V at 25 °C and are for design guidance only.
Figure 13. GPIO Timing Diagram
AC Operational Amplifier Specifications
Tab le 20 lists the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75 V to 5.25 V and
–40 °C  T
A
 85 °C, 3.0 V to 3.6 V and –40 °C  T
A
 85 °C, or 2.4 V to 3.0 V and –40 °C  T
A
 85 °C, respectively. Typical parameters
are measured at 5 V, 3.3 V, or 2.7 V at 25 °C and are for design guidance only.
Table 18. 5-V and 3.3-V AC GPIO Specifications
Symbol Description Min Typ Max Units Notes
F
GPIO
GPIO operating frequency 0 – 12 MHz Normal strong mode
TRiseF Rise time, normal strong mode, Cload = 50 pF 3 – 18 ns V
DD
= 4.5 to 5.25 V, 10% to 90%
TFallF Fall time, normal strong mode, Cload = 50 pF 2 – 18 ns V
DD
= 4.5 to 5.25 V, 10% to 90%
TRiseS Rise time, slow strong mode, Cload = 50 pF 7 27 – ns V
DD
= 3 to 5.25 V, 10% to 90%
TFallS Fall time, slow strong mode, Cload = 50 pF 7 22 – ns V
DD
= 3 to 5.25 V, 10% to 90%
Table 19. 2.7 V AC GPIO Specifications
Symbol Description Min Typ Max Units Notes
F
GPIO
GPIO operating frequency 0 – 3 MHz Normal strong mode
TRiseF Rise time, normal strong mode, Cload = 50 pF
6 – 50 ns V
DD
= 2.4 to 3.0 V, 10% to 90%
TFallF Fall time, normal strong mode, Cload = 50 pF
6 – 50 ns V
DD
= 2.4 to 3.0 V, 10% to 90%
TRiseS Rise time, slow strong mode, Cload = 50 pF
18 40 120 ns V
DD
= 2.4 to 3.0 V, 10% to 90%
TFallS Fall time, slow strong mode, Cload = 50 pF
18 40 120 ns V
DD
= 2.4 to 3.0 V, 10% to 90%
TFallF
TFallS
TRiseF
TRiseS
90%
10%
GPIO
Pin
Output
Voltage
Table 20. AC Operational Amplifier Specifications
Symbol Description Min Typ Max Units Notes
T
COMP
Comparator mode response time, 50 mV
overdrive
––100
200
ns
ns
V
DD
 3.0 V
2.4 V < V
DD
<3.0 V