Specifications
CY8C21123/CY8C21223/CY8C21323
Document Number: 38-12022 Rev. *Y Page 25 of 46
AC General Purpose I/O Specifications
Table 24 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
apply to 5 V, 3.3 V, or 2.7 V at 25 °C and are for design guidance only.
Figure 13. GPIO Timing Diagram
AC Amplifier 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 apply to 5 V, 3.3 V, or 2.7 V 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.
Table 24. 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 V to 5.25 V, 10% to 90%
tFallF Fall time, normal strong mode, Cload = 50 pF 2 – 18 ns V
DD
= 4.5 V to 5.25 V, 10% to 90%
tRiseS Rise time, slow strong mode, Cload = 50 pF 10 27 – ns V
DD
= 3 V to 5.25 V, 10% to 90%
tFallS Fall time, slow strong mode, Cload = 50 pF 10 22 – ns V
DD
= 3 V to 5.25 V, 10% to 90%
Table 25. 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 V to 3.0 V, 10% to 90%
tFallF Fall time, normal strong mode, Cload = 50 pF
6 – 50 ns V
DD
= 2.4 V to 3.0 V, 10% to 90%
tRiseS Rise time, slow strong mode, Cload = 50 pF
18 40 120 ns V
DD
= 2.4 V to 3.0 V, 10% to 90%
tFallS Fall time, slow strong mode, Cload = 50 pF
18 40 120 ns V
DD
= 2.4 V to 3.0 V, 10% to 90%
Table 26. 5-V and 3.3-V AC Amplifier Specifications
Symbol Description Min Typ Max Units
t
COMP1
Comparator mode response time, 50 mVpp signal centered on Ref – – 100 ns
t
COMP2
Comparator mode response time, 2.5 V input, 0.5 V overdrive – – 300 ns
Table 27. 2.7-V AC Amplifier Specifications
Symbol Description Min Typ Max Units
t
COMP1
Comparator mode response time, 50 mVpp signal centered on Ref – – 600 ns
t
COMP2
Comparator mode response time, 1.5 V input, 0.5 V overdrive – – 300 ns
TFallF
TFallS
TRiseF
TRi se S
90%
10%
GPIO
Pin