TUSB2E221 datasheet(14/65 Pages) TI

14 / 65 page

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VCHIRPK

Device Chirp K level (differential voltage)

USB 2.0 Spec Section 7.1.7.2 (1) (PE is

disabled. Swing setting has no impact

but slew rate control has impact), Test

load is an ideal 45Ω to GND on DP and

DN.

–900

–760

–500

VCHIRPK

Host/Hub Chirp K level (differential

voltage)

USB 2.0 Spec Section 7.1.7.2 (1) (PE is

disabled. Swing setting has no impact

but slew rate control has impact), Test

load is an ideal 1.5kΩ pullup on DP.

–900

–700

–500

U2_TXPE

High-speed TX Pre-emphasis

U_HS_TX_PRE_EMPHASIS_Px Setting

001,Test load is an ideal 45Ω to GND on

DP and DN.

0.62

0.9

1.2

U2_TXPE_UI High-speed TX Pre-emphasis

U_HS_TX_PE_WIDTH_Px Setting 00

(measured with PE=2.5dB setting of

101), Test load is an ideal 45Ω to GND

on DP and DN.

0.25

0.35

0.41

U2_TXPE_UI High-speed TX Pre-emphasis width

U_HS_TX_PE_WIDTH_Px Setting 01

(measured with PE=2.5dB setting of

101), Test load is an ideal 45Ω to GND

on DP and DN.

0.35

0.45

0.55

U2_TXPE_UI High-speed TX Pre-emphasis width

U_HS_TX_PE_WIDTH_Px Setting

10 (measured with PE=2.5dB setting of

101), Test load is an ideal 45Ω to GND

on DP and DN.

0.44

0.55

0.67

U2_TXPE_UI High-speed TX Pre-emphasis width

U_HS_TX_PE_WIDTH_Px Setting

11 (measured with PE=2.5dB setting of

101), Test load is an ideal 45Ω to GND

on DP and DN.

0.54

0.65

0.77

U2_TXCM

High-speed TX DC Common Mode

All Swing settings with PE disabled

100

200

300

eUSB2 TERMINATION

RSRC_HS

High-speed transmit source termination

impedance

eUSB2 Spec Section 7.1.1 (2)

ΔRSRC_HS

High-speed source impedance

mismatch

eUSB2 Spec Section 7.1.1 (2)

RRCV_DIF

High-speed differential receiver

termination (repeater)

eUSB2 Spec Section 7.1.2 (2)

RPD

Pulldown resistors on eDP/eDN

eUSB2 Spec Section 7.3 (2), active

during LS, FS and HS

kΩ

RSRC_LSFS

Transmit output impedance

eUSB2 Spec Section 7.2.1 (2), Table

7-13 TX output impedance to match

spec version 1.10

CIO_eDx

Differential capacitance

Measured with VNA at 240MHz, Driver

Hi-Z (VCM = 120mV to 450mV),

Measured differentially.

3.7

eUSB0, eUSB1 FS/LS INPUT LEVELS

VIL

Single-ended input low