AX58100 datasheet(37/71 Pages) ASIX

37 / 71 page

AX58100

EtherCAT Slave Controller

4.1.4

DC Characteristics of 3.3V with 5V Tolerant I/O Pins

Symbol

Parameter

Conditions

Min

Typ

Max

Units

VCC3IO Power supply of 3.3V I/O.

3.3V I/O

2.97

3.3

3.63

Vil

Input low voltage.

LVTTL

0.8

Vih

Input high voltage.

2.0

Vt-

Schmitt trigger negative going threshold

voltage.

LVTTL

0.8

1.1

Vt+

Schmitt trigger positive going threshold

voltage

1.6

2.0

Vol

Output low voltage.

Iol = 2 ~ 4mA

0.4

Voh

Output high voltage.

Ioh = -2 ~ -4mA

2.4

Vopu (1) Output pull-up voltage for 5V tolerant IO

With internal

pull-up resistor

VCC3IO

– 0.9

Rpu

Input pull-up resistance.

190

KΩ

Rpd

Input pull-down resistance.

190

KΩ

Iin

Input leakage current.

Vin = 5 or 0V

±1

μA

Input leakage current with pull-up resistance. Vin = 0 V

-45

μA

Input

leakage

current

with

pull-down

resistance.

Vin = VCC3IO

μA

Note: This parameter indicates that the pull-up resistor for the 5V tolerant I/O pins cannot reach VCC3IO DC

level even without DC loading current.

AX58100 Datasheet(PDF) 37 Page - ASIX Electronics Corporation

AX58100 Datasheet(HTML) 37 Page - ASIX Electronics Corporation

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