LAN8818D datasheet(77/101 Pages) MICROCHIP

77 / 101 page

LAN8818D

DS00005832C-page 77

Note 6-6

The maximum input frequency for LVDS1 is 150 MHz.

LVDS1 Type Input Buffer

Input Common mode

Voltage Range

Input Peak Diff. Voltage

VCM

VID

VID/2

100

—

2.4-VID/2

600

Note 6-6

TABLE 6-6:

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

Unit

Note

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

—

0.63xVDDIO

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

—

0.39 x VDDIO

1.68

1.85

219.4

83.7

84.5

µA

kΩ

—

Note 6-7

—

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 6-7

VOD12 Type Buffer

Low Output Level

Output Tri-State Leakage

VOL

IOZ

—

-10

—

0.4

µA

IOL = -12 mA

Note 6-7

TABLE 6-5:

NON-VARIABLE I/O DC ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Min

Typ

Max

Unit

Note

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