Si4355

Rev 1.0

7

Table 6. Digital IO Specifications (GPIO_x, SCLK, SDO, SDI, nSEL, nIRQ)1

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Rise Time

—2.3

—

ns

Fall Time

—2

—

ns

Input Capacitance

—2

—

pF

Logic High Level Input Voltage

—

—

V

Logic Low Level Input Voltage

——

V

Input Current

–10

—

10

µA

Input Current If Pullup is Activated

1

—

10

µA

Drive Strength for Output Low

Level2

DRV<1:0> = LL

2.1

mA

DRV<1:0> = LH

1.5

mA

DRV<1:0> = HL

1.0

mA

DRV<1:0> = HH

0.4

mA

Drive Strength for Output High

Level (GPIO1, GPIO2, GPIO3)2

DRV<1:0> = LL

4.5

mA

DRV<1:0> = LH

3.3

mA

DRV<1:0> = HL

2.1

mA

DRV<1:0> = HH

0.7

mA

Drive Strength for Output High

Level (GPIO0)2

DRV<1:0> = LL

1.9

mA

DRV<1:0> = LH

1.7

mA

DRV<1:0> = HL

1.3

mA

DRV<1:0> = HH

0.6

mA

Logic High Level Output Voltage

—

—

V

Logic Low Level Output Voltage

—

—

V

Notes:

1. All specifications guaranteed by qualification. Qualification test conditions are listed in the "Qualification Test

Conditions" section in "1.1. Definition of Test Conditions" on page 9.