TUSB3200CPAH datasheet(43/93 Pages) TI

43 / 93 page

3–3

3.4

Timing Characteristics

3.4.1

Clock and Control Signals Over Recommended Operating Conditions

(unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

fMCLKO

Clock frequency, MCLKO

CL = 50 pF, See Note 1

MHz

fMCLKO2

Clock frequency, MCLKO2

CL = 50 pF, See Note 1

MHz

fMCLKI

Clock frequency, MCLKI

See Note 1

MHz

fMCLKI2

Clock frequency, MCLKI2

See Note 1

MHz

tw(L)

Pulse duration, XINT low

CL = 50 pF

0.2

µs

NOTE 1: Worst case duty cycle is 45/55.

tw(L)

XINT

Figure 3–1. External Interrupt Timing Waveform

3.4.2

USB Transceiver Signals Over Recommended Operating Conditions

(unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

Transition rise time for DP or DM

Transition fall time for DP or DM

tRFM

Rise/fall time matching

(tr/tf) × 100

90%

110%

VO(CRS)

Voltage output signal crossover

1.3

tr , tf

90%

10%

VO(CRS)

VOH

VOL

Figure 3–2. USB Differential Driver Timing Waveform

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