Specifications

CY8C24123A
CY8C24223A
CY8C24423A
Document Number: 38-12028 Rev. *V Page 41 of 71
AC GPIO Specifications
These 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, and 2.7 V at 25 °C and are for design guidance only.
Figure 0-1. GPIO Timing Diagram
Table 31. 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 10 27 – ns V
DD
= 3 to 5.25 V, 10% to 90%
tFallS Fall time, slow strong mode, Cload = 50 pF 10 22 – ns V
DD
= 3 to 5.25 V, 10% to 90%
Table 32. 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