TUSB564I datasheet(7/45 Pages) TI1

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TUSB564

www.ti.com

SLLSF29A – OCTOBER 2017 – REVISED OCTOBER 2017

Product Folder Links: TUSB564

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ELECTRICAL CHARACTERISTICS (continued)

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ZRX-HIGH-

IMP-DC-

POS

Common-mode input impedance with

termination disabled (DC)

Present when no USB3.1 device is

detected on TXP/TXN. Measured over

the range of 0-500 mV with respect to

GND.

kΩ

VSIGNAL-

DET-DIFF-

Input Differential peak-to-peak Signal

Detect Assert Level

at 5Gbps, No loss and bit rate PRBS7

pattern

VRX-IDLE-

DET-DIFF-

Input Differential peak-to-peak Signal

Detect De-assert Level

at 5 Gbps, No loss and bit rate PRBS7

pattern

VRX-LFPS-

DET-DIFF-

Low-frequency Periodic Signaling (LFPS)

Detect Threshold

Below the minimum is squelched.

100

300

CRX

RX input capacitance to GND

At 2.5 GHz

0.5

RLRX-

DIFF

Differential Return Loss

50 MHz – 1.25 GHz at 90 Ω

-16

2.5 GHz at 90 Ω

-17

RLRX-CM

Common Mode Return Loss

50 MHz – 2.5 GHz at 90 Ω

-12

EQSSP

Receiver equalization

SSEQ[1:0] and EQ[1:0] at 2.5 GHz.

USB Differential Transmitter (TX1P/N, TX2P/N, SSRXP/N)

VTX-DIFF-

Transmitter dynamic differential voltage

swing range.

1300

mVpp

VTX-RCV-

DETECT

Amount of voltage change allowed

during Receiver Detection

at 3.3 V

600

VTX-CM-

IDLE-

DELTA

Transmitter idle common-mode voltage

change while in U2/U3 and not actively

transmitting LFPS

measured at the connector side of the

AC coupling caps with 50

Ω load

-600

600

VTX-DC-

Common-mode voltage bias in the

transmitter (DC)

VTX-CM-

AC-PP-

ACTIVE

Tx AC Common-mode voltage active

At 3.3V; Max mismatch from Txp+Txn for

both time and amplitude

100

mVpp

VTX-IDLE-

DIFF-AC-

AC Electrical idle differential peak-to-

peak output voltage

At package pins

VTX-IDLE-

DIFF-DC

DC Electrical idle differential output

voltage

At package pins after low-pass filter to

remove AC component

VTX-CM-

DC-

ACTIVE-

IDLE-

DELTA

Absolute DC common mode voltage

between U1 and U0

At package pin

200

CTX

TX input capacitance to GND

At 2.5 GHz

1.25

RTX-DIFF

Differential impedance of the driver

120

CAC-

COUPLING

AC Coupling capacitor

265

RTX-CM

Common-mode impedance of the driver

Measured with respect to AC ground

over 0-500 mV

ITX-SHORT TX short circuit current

TX+/- shorted to GND

RLTX-DIFF Differential Return Loss

50 MHz – 1.25 GHz at 90 Ω

-17

RLTX-

DIFF-2.5G

Differential Return Loss

2.5 GHz at 90 Ω

-12

RLTX-CM

Common Mode Return Loss

50 MHz – 2.5 GHz at 90 Ω

-10

AC Electrical Characteristics for USB and DP

Crosstalk Differential Cross Talk between TX and

RX signal Pairs

at 2.5 GHz

-27

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