cy8c9520a Cypress Semiconductor Corporation., cy8c9520a Datasheet - Page 18

• Manufacturer Part Number: cy8c9520a
• Description: 20-, 40-, And 60-bit Io Expander With Eeprom
• Manufacturer: Cypress Semiconductor Corporation.

AC Electrical Characteristics
AC General Purpose IO Specifications
Table 25 lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V and -40°C
≤ T
guidance only or unless otherwise specified.
Table 25. AC GPIO Specifications
AC PWM Output Jitter Specifications
Table 26 lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V and -40°C
≤ T
guidance only or unless otherwise specified.
Table 26. AC PWM Output Jitter Specifications
Document Number: 38-12036 Rev. *B
F
TRiseF
TFallF
TRiseS
TFallS
Jitter24MHzPWM 24 MHz based PWM peak-to-peak period
Jitter32kHzPWM
Symbol
GPIO
A
A
≤ 85°C, or 3.0V to 3.6V and -40°C ≤ T
≤ 85°C, or 3.0V to 3.6V and -40°C ≤ T
Symbol
GPIO Operating Frequency
Rise time, normal strong mode, Cload = 50 pF
Fall time, normal strong mode, Cload = 50 pF
Rise time, slow strong mode, Cload = 50 pF
Fall time, slow strong mode, Cload = 50 pF
32 kHz-based PWM peak-to-peak period
jitter
jitter
Description
Description
Voltage
Output
GPIO
Pin
A
A
90%
10%
≤ 85°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and are for design
≤ 85°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and are for design
Figure 8. GPIO Timing Diagram
TRiseF
TRiseS
0
3
2
10
10
–
–
Min
Min
–
–
0.1
2.5
–
27
22
Typ
Typ
12
18
18
–
–
1.5
5.0
Max
Max
TFallS
TFallF
MHz
ns
ns
ns
ns
%
%
CY8C9520A, CY8C9540A
Units
Units
24 MHz, 1.5 MHz, 93.75 kHz and
367.6 Hz (programmable)
sources.
32 kHz clock source.
Normal Strong Mode
Vdd = 4.75 to 5.25V, 10% - 90%
Vdd = 4.75 to 5.25V, 10% - 90%
Vdd = 3 to 5.25V, 10% - 90%
Vdd = 3 to 5.25V, 10% - 90%
CY8C9560A
Notes
Notes
Page 18 of 24
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