LC823450 datasheet(65/112 Pages) ONSEMI

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LC823450

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− In case of VR terminal is not decoupled(include the products w/o VR terminal)

Figure 9.

♦ Fc = Fs

× (Ns + Nc)

USB2.0 PHY Characteristics

Table 29. USB2.0 PHY CHARACTERISTICS

(TA = 25°C, VDD1 = 1.2 V, AVDDUSBPHY1 = DVDDUSBPHY1 = 1.2 V, AVDDUSBPHY2 = 3.3 V)

Item

Symbol

Condition

Min

Max

Unit

INPUT LEVELS FOR FULL−SPEED:

High−level Input Voltage (Drive)

VIH

2.0

High−level Input Voltage (Floating)

VIHZ

2.7

3.6

Low−level Input Voltage

VIL

0.8

Differential Input Sensitivity

VDI

|(D+) − (D−)|

0.2

Differential Common Mode Range

VCM

Includes VDI range

Figure 10

0.8

2.5

OUTPUT LEVELS FOR FULL−SPEED:

High−level Output Voltage

VOH

RL of 14.25 kΩ to

VSS

2.8

3.6

Low−level Output Voltage

VOL

RL of 1.425 kΩ to

3.6 V

0.0

0.3

SE1

VOSE1

0.8

Output Signal Crossover Point Voltage

VCRS

Figure 10

1.3

2.0

INPUT CAPACITANCE FOR FULL−SPEED:

Downstream Facing Port (beginning shared with

Upstream Facing Port at Device mode, so the less

value is selected as the maximum spec)

CIND

(VINUB)

100

Transceiver Edge Rate Control Capacitance

CEDGE

TERMINATION IN FULL−SPEED:

Bus Pull−Up Resistor on Upstream Port (Idle Bus)

(This is Used only for the Device Mode

(RPUENXEN = ‘0’ Setting))

RPUI

0.9

1.575

Bus Pull−Up Resistor on Upstream Port

(Upstream Port Receiving)

(This is Used Only for the Device Mode

(RPUENXEN = ‘0’ Setting))

RPUA

1.425

3.090

Input Impedance Exclusive of pullup/pulldown

ZINP

300

Termination Voltage on Upstream Port Pull−Up

VTERM

3.0

3.6

DRIVER CHARACTERISTICS IN FULL−SPEED:

Rise Time (10% − 90%)

TFR

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