LAN8804 datasheet(67/91 Pages) MICROCHIP

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LAN8804

DS00003591G-page 67

TABLE 6-9:

VARIABLE I/O DC ELECTRICAL CHARACTERISTICS VDDIO = 3.3V/2.5V/1.8V

Parameter

Symbol

Min

Typ

1.8

Typ

2.5

Typ

3.3

Max

Units

Notes

VIS Type Input Buffer

Low Input Level

High Input Level

Schmitt Falling Trip Point

Schmitt Rising Trip Point

Schmitt Trigger Hysteresis

(VIHT - VILT)

Input Leakage

(VIN = P_VSS or VDDIO)

Input Capacitance

(generic guess)

Effective Pull-Up Resistance

(VIN = P_VSS)

Effective Pull-Down

Resistance

(VIN = VDDIO)

VIL

VIH

VT-

VT+

VHYS

IIH

CIN

RPU

RPD

—

0.63x

VDDIO

0.67

0.8

109.9

-10

—

58.9

58.7

—

0.8

0.94

149

—

1.1

1.25

148

—

1.46

1.62

164

—

0.39x

VDDIO

1.68

1.85

219.4

83.7

84.5

µA

kΩ

Note 6-8

VO12 Type Buffer

Low Output Level

High Output Level

Output Tri-State Leakage

VOL

VOH

IOZ

—

VDDIO-0.4

-10

—

0.4

—

µA

IOL = -12 mA

IOH = 12 mA

Note 6-8

VOD12 Type Buffer

Low Output Level

Output Tri-State Leakage

VOL

IOZ

—

-10

—

0.4

µA

IOL = -12 mA

Note 6-8

VOS12 Type Buffer

High Output Level

Output Tri-State Leakage

VOH

IOZ

VDDIO-0.4

-10

—

µA

IOH = 12 mA

Note 6-8

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