FUSB303B

www.onsemi.com

10

Symbol

Parameter

Unit

Min.

Typ.

Max.

Unit

tRESET

Soft Reset Duration

2.85 to 5.5

100

ms

tAUTOSNK

Debounce time to detect Weak Battery VDD

Threshold to trigger I_AUTOSNK if AUTOSNK

mode enabled for both entering AUTOSNK and

exiting AUTOSNK

10

15

20

ms

4. Default Value when Configured in GPIO Mode (ADDR/ORIENT = Float)

Table 9. IO SPECIFICATIONS

Symbol

Parameter

Conditions

Unit

Min.

Typ.

Max.

OPEN DRAIN OUTPUT PINS (ID, INT_N/OUT3)

Output Low Voltage

2.85 to 5.5

0.4

V

INPUT PIN (EN_N)

Low−Level Input Voltage

2.85 to 5.5

0.4

V

High−Level Input Voltage

2.85 to 5.5

1.2

V

VDD Current when EN_N is HIGH

2.85 to 5.5

Worst Input

Voltage

2

mA

3−STATE INPUT AND PUSH/PULL OUTPUT PINS (PORT/DEBUG_N, ADDR/ORIENT)

Low−Level Input Voltage

2.85 to 5.5

V

2.85 to 5.5

V

High−Level Input Voltage

2.85 to 5.5

V

Zfloat

Impedance to VDD or GND detected as a FLOAT

including when VDD = 0

2.85 to 5.5

1

4

MW

Low−Level Input Voltage

2.85 to 5.5

V

High−Level Input Voltage

2.85 to 5.5

V

Low−Level Input Voltage

2.85 to 5.5

0.4

V

High−Level Input Voltage

2.85 to 5.5

1.2

V

Hysteresis of Schmitt Trigger Inputs

2.85 to 5.5

0.2

V

Input Current of SDA/OUT1and SCL/OUT2 Pins,

2.85 to 5.5

Input Voltage

0 V to 3.6 V

2

mA

VDD Current when SDA/OUT1or SCL/OUT2 is

HIGH

2.85 to 5.5

Worst Input

Voltage

2

mA

Low−Level Output Voltage at 2 mA Sink Current

(Open−Drain)

2.85 to 5.5

0.3

V

Low−Level Output Current (Open−Drain)

3.0 to 5.5

20

mA

Capacitance for Each I/O Pin

2.85 to 5.5

5

pF