CYRF89435

Document Number: 001-76581 Rev. *D

Page 21 of 40

AC GPIO Specifications

The following table lists guaranteed maximum and minimum specifications for the entire voltage and temperature ranges.

Figure 5. GPIO Timing Diagram

Table 17. AC GPIO Specifications

Symbol

Description

Conditions

Min

Typ

Max

Units

GPIO operating frequency

Normal strong mode

Port 0, 1

0

0

–

–

6 MHz for

1.9 V <VIN < 2.40 V

12 MHz for

2.40 V < VIN< 3.6 V

MHz

MHz

Rise time, strong mode,

Cload = 50 pF

Port 2 or 3 or 4 pins

VIN = 3.0 to 3.6 V,

10% to 90%

15

–

80

ns

Rise time,

strong mode low supply,

Cload = 50 pF,

Port 2 or 3 or 4 pins

VIN = 1.9 to 3.0 V,

10% to 90%

15

–

80

ns

Rise time, strong mode,

Cload = 50 pF, Ports 0 or 1

VIN = 3.0 to 3.6 V,

10% to 90%,

LDO enabled or

disabled

10

–

50

ns

Rise time,

strong mode low supply,

Cload = 50 pF, Ports 0 or 1

VIN = 1.9 to 3.0 V,

10% to 90%,

LDO enabled or

disabled

10

–

80

ns

Fall time, strong mode,

Cload = 50 pF, all ports

VIN = 3.0 to 3.6 V,

10% to 90%

10

–

50

ns

Fall time,

strong mode low supply,

Cload = 50 pF, all ports

VIN = 1.9 to 3.0 V,

10% to 90%

10

–

70

ns

90%

10%

GPIO Pin

Output

Voltage