Cypress CY7C6435x Manual De Usuario

Document Number: 001-12394 Rev *G

Page 16 of 28

 lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 3.0V to 5.5V and 0°C 

≤ T

A

≤ 70°C. Typical parameters apply to 5V and 3.3V at 25°C. These are for design guidance only. 

Rusbi

USB D+ Pull Up Resistance

With idle bus

0.900

-

1.575

k

Ω

Rusba

USB D+ Pull Up Resistance

While receiving traffic

1.425

-

3.090

k

Ω

Vohusb

Static Output High

2.8

-

3.6

V

Volusb

Static Output Low

-

0.3

V

Vdi

Differential Input Sensitivity

0.2

-

V

Vcm

Differential Input Common Mode Range

0.8

-

2.5

V

Vse

Single Ended Receiver Threshold

0.8

-

2.0

V

Cin

Transceiver Capacitance

-

50

pF

Iio

High Z State Data Line Leakage

On D+ or D- line

-10

-

+10

μA

Rps2

PS/2 Pull Up Resistance

3

5

7

k

Ω

Rext

External USB Series Resistor

In series with each USB pin

21.76

24.0

 24.24

Ω

R

PU

Pull Up Resistor

4

5.6

8

k

Ω

V

OH1

High Output Voltage
Port 0, 2, or 3 Pins

IOH < 10

 

µA, Vdd >  3.0V, maximum of 10 mA 

source current in all I/Os.

Vdd - 0.2

–

–

V

V

OH2

High Output Voltage
Port 0, 2, or 3 Pins

IOH = 1 mA Vdd > 3.0, maximum of 20 mA 
source current in all I/Os.

Vdd - 0.9

–

–

V

V

OH3

High Output Voltage
Port 1 Pins with LDO Regulator 
Disabled

IOH < 10

 

µA, Vdd > 3.0V, maximum of 10 mA 

source current in all I/Os.

Vdd - 0.2

–

–

V

V

OH4

High Output Voltage
Port 1 Pins with LDO Regulator 
Disabled

IOH = 5 mA, Vdd > 3.0V, maximum of 20 mA 
source current in all I/Os.

Vdd - 0.9

–

–

V

V

OH5

High Output Voltage
Port 1 Pins with LDO Regulator 
Enabled for 3V Out

IOH < 10 

μA, Vdd > 3.1V, maximum of 4 I/Os 

all sourcing 5 mA

2.85

3.00

3.3

V

V

OH6

High Output Voltage
Port 1 Pins with LDO Regulator 
Enabled for 3V Out

IOH = 5 mA, Vdd > 3.1V, maximum of 20 mA 
source current in all I/Os

2.20

–

–

V

V

OH7

High Output Voltage
Port 1 Pins with LDO Enabled for 
2.5V Out

IOH < 10 

μA, Vdd > 3.0V, maximum of 20 mA 

source current in all I/Os

2.35

2.50

2.75

V

V

OH8

High Output Voltage
Port 1 Pins with LDO Enabled for 
2.5V Out

IOH = 2 mA, Vdd > 3.0V, maximum of 20 mA 
source current in all I/Os

1.90

–

–

V

V

OH9

High Output Voltage
Port 1 Pins with LDO Enabled for 
1.8V Out

IOH < 10 

μA, Vdd > 3.0V, maximum of 20 mA 

source current in all I/Os

1.60

1.80

2.1

V

V

OH10

High Output Voltage
Port 1 Pins with LDO Enabled for 
1.8V Out

IOH = 1 mA, Vdd > 3.0V, maximum of 20 mA 
source current in all I/Os

1.20

–

–

V