USB Hub with Integrated 10/100 Ethernet Controller

Datasheet

4.4DC Specifications

Table 4.2 I/O Buffer Characteristics

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

 

 

 

 

 

 

 

IS Type Input Buffer

 

 

 

 

 

 

Low Input Level

VILI

-0.3

 

 

V

 

High Input Level

VIHI

 

 

3.6

V

 

Negative-Going Threshold

VILT

1.01

1.18

1.35

V

Schmitt trigger

Positive-Going Threshold

VIHT

1.39

1.6

1.8

V

Schmitt trigger

SchmittTrigger Hysteresis

VHYS

345

420

485

mV

 

(VIHT - VILT)

 

 

 

 

 

 

Input Leakage

IIH

-10

 

10

uA

Note 4.5

(VIN = VSS or VDD33IO)

 

 

 

 

 

 

Input Capacitance

CIN

 

 

2.5

pF

 

IS_5V Type Input Buffer

 

 

 

 

 

 

Low Input Level

VILI

-0.3

 

 

V

 

High Input Level

VIHI

 

 

5.5

V

 

Negative-Going Threshold

VILT

1.01

1.18

1.35

V

Schmitt trigger

Positive-Going Threshold

VIHT

1.39

1.6

1.8

V

Schmitt trigger

SchmittTrigger Hysteresis

VHYS

345

420

485

mV

 

(VIHT - VILT)

 

 

 

 

 

 

Input Leakage

IIH

-10

 

10

uA

Note 4.5

(VIN = VSS or VDD33IO)

 

 

 

 

 

 

Input Leakage

IIH

 

 

120

uA

Note 4.5, Note 4.6

(VIN = 5.5V)

 

 

 

 

 

 

Input Capacitance

CIN

 

 

3.5

pF

 

O8 Type Buffers

 

 

 

 

 

 

Low Output Level

VOL

 

 

0.4

V

IOL = 8mA

High Output Level

VOH

VDD33IO - 0.4

 

 

V

IOH = -8mA

OD8 Type Buffer

 

 

 

 

 

 

Low Output Level

VOL

 

 

0.4

V

IOL = 8mA

O12 Type Buffers

 

 

 

 

 

 

Low Output Level

VOL

 

 

0.4

V

IOL = 12mA

High Output Level

VOH

VDD33IO - 0.4

 

 

V

IOH = -12mA

OD12 Type Buffer

 

 

 

 

 

 

Low Output Level

VOL

 

 

0.4

V

IOL = 12mA

ICLK Type Buffer (XI Input)

 

 

 

 

 

Note 4.7

Low Input Level

VILI

-0.3

 

0.5

V

 

High Input Level

VIHI

1.4

 

3.6

V

 

Note 4.5 This specification applies to all inputs and tri-stated bi-directional pins. Internal pull-down and pull-up resistors add +/- 50uA per-pin (typical)

Revision 1.0 (04-20-09)

40

SMSC LAN9512

 

DATASHEET