AX99100QF datasheet(52/70 Pages) ASIX

52 / 70 page

AX99100

PCIe to Multi I/O Controller

4.1.4

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

Symbol

Parameter

Conditions

Min

Typ

Max

Units

VCCIO 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

VCCIO

– 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 = VCCIO

μA

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

even without DC loading current.

4.1.5

DC Characteristics of Voltage Regulator

Symbol

Description

Condition

Min

Typ

Max

Unit

VCC33A_REG

Power supply of on-chip

voltage regulator.

2.0

3.3

3.6

VO12

Output voltage of on-chip

voltage regulator.

VCC33A_REG = 3.3V

1.14

1.2

1.26

Operating junction

temperature.

-40

125

℃

Iload

Driving current.

VCC33A_REG = 3.3V

150

△VO12

(△VCC33A_REG x

VO12)

Line regulation.

Iload = 10mA

0.5

1.0

%/V

△VO12

(△Iload x VO12)

Load regulation.

VCC33A_REG = 3.3V,

1mA ≦ Iload ≦ 150mA

0.05

0.1

%/mA

△VO12

△Tj

Temperature coefficient.

VCC33A_REG = 3.3V,

-40℃ ≦ Tj ≦ 125℃

0.1

0.3

mV/℃

Quiescent current

consumption

VCC33A_REG = 3.3V,

Iload = 0 mA

110

310

μA

Cout

Output external capacitor.

3.3

μF

ESR

Allowable

effective

series

resistance

external

capacitor.

0.5

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