TUSB1044 datasheet(10/67 Pages) TI1

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TUSB1044

SLLSF47A – FEBRUARY 2018 – REVISED FEBRUARY 2018

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6.6 Switching Characteristics

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

USB 3.1

tIDLEEntry

Delay from U0 to electrical idle

Refer to Figure 4

0.16

tIDLEExit_U

U1 exist time: break in electrical idle to

the transmission of LFPS

Refer to Figure 4

0.16

tIDLEExit_U

2U3

U2/U3 exit time: break in electrical idle to

transmission of LFPS

µs

tRXDET_IN

TVL

RX detect interval while in Disconnect

tIDLEExit_D

ISC

Disconnect Exit Time

tExit_SHTD

Shutdown Exit Time

CTL0 = Vcc/2 to U2U3

0.5

tDIFF_DLY

Differential Propagation Delay

Refer to Figure 3

300

tPWRUPAC

TIVE

Time when Vcc reaches 70% to device

active

tR/F

Output Rise/Fall Time

20%-80% of differential voltage

measured 1.7 inch from the output pin;

Input signal rise/fall faster than 35ps;

Refer to Figure 5

tRF-MM

Output Rise/Fall time mismatch

20%-80% of differential voltage

measured 1.7 inch from the output pin

2.6

AUXP/N and SBU1/2

tAUX_PD

Switch propagation delay

Refer to Figure 3

1050

tAUX_SW_

OFF

Switching time CTL1 to switch OFF.

Refer to Figure 7

500

tAUX_SW_

Switching time CTL1 to switch ON

Refer to Figure 6

500

tAUX_INTR

Intra-pair output skew

100

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