TUSB564 datasheet(8/52 Pages) TI

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5.5 Electrical Characteristics (continued)

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Ii_I2C

Input current on SDA pin

0.1 × VI2C < Input voltage < 3.3V

–10

µA

Ci_I2C

Input capacitance

USB Differential Receiver (RX1P/N, RX2P/N, SSTXP/N)

VRX-DIFF-

Input differential peak-peak voltage swing

linear dynamic range

AC-coupled differential peak-to-peak

signal measured post CTLE through a

reference channel

1200

mVppd

VRX-DC-

Common-mode voltage bias in the

receiver (DC)

RRX-DIFF-

Differential input impedance (DC)

Present after a USB3 device is detected

on TXP/TXN

120

RRX-CM-

Receiver DC common mode impedance

Present after a USB3 device is detected

on TXP/TXN

ZRX-HIGH-

IMP-DC-

POS

Common-mode input impedance with

termination disabled (DC)

Present when no USB3 device is

detected on TXP/TXN. Measured over the

range of 0V to 500mV 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

mVppd

VRX-IDLE-

DET-DIFF-

Input differential peak-to-peak signal

detect de-assert level

At 5Gbps, No loss and bit rate PRBS7

pattern

mVppd

VRX-LFPS-

DET-DIFF-

Low-frequency periodic signaling (LFPS)

detect threshold

℃ ≤ TA ≤ 105℃; Below the minimum

is squelched. Tested at 25MHz and

300mVppd VIN.

100

300 mVppd

RLRX-DIFF Differential return loss

50MHz to 1.25GHz at 90Ω; Lowest EQ

setting; FLIP = L;

–23

RLRX-DIFF Differential return loss

2.5GHz at 90Ω; Lowest EQ setting; FLIP

= L;

–22

RLRX-CM Common-mode return loss

50MHz to 2.5GHz at 90Ω; Lowest EQ

setting; FLIP = L;

–13

EQSS

Receiver equalization for RX1/2 receivers

at maximum setting

At 2.5GHz; FLIP = L;

11.6

EQSS

Receiver equalization for SSTX receiver

at maximum setting

At 2.5GHz; FLIP = L;

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

VTX-DIFF-

Transmitter dynamic differential voltage

swing range.

1300

mVppd

VTX-RCV-

DETECT

Amount of voltage change allowed during

Receiver Detection

At 3.3V

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 capacitor with 50Ω load

–600

600

VTX-DC-

Common-mode voltage bias in the

transmitter (DC)

In U0;

1.5

2.1

VTX-CM-

AC-PP-

ACTIVE

TX AC common-mode voltage active

At 3.3V; Maximum mismatch from

Txp+Txn for both time and amplitude

100

mVpp

VTX-IDLE-

DIFF-AC-PP

AC electrical idle differential peak-to-peak

output voltage

At package pins after high-pass filter

(HPF) to remove DC component; HPF =

1/LPF; No AC or DC signals are applied

at RX terminals;

TUSB564-Q1

SLLSFO9A – MAY 2024 – REVISED SEPTEMBER 2024

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