TUSB2E221 datasheet(15/65 Pages) TI

15 / 65 page

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

eUSB0, eUSB1 HS INPUT LEVELS

VCM_RX_AC

Receiver AC common mode

(50MHz-480MHz)

eUSB2 Spec Section 7.1.2 (informative)

(2), across the DC common mode range

of 120mV to 280mV. (RX capability

tested with intentional TX Rise/Fall Time

mismatch and prop delay mismatch)

–60

CRX_CM

Receive center-tapped capacitance

eUSB2 Spec Section 7.1.2

(informative) (2)

VEHSSQ

Squelch/No-squelch detect threshold

eUSB2 Spec Section 7.1.2 (2),

(measured as differential peak voltage at

240MHz with increasing amplitude), VCM

= 120mV to 450mV

EQ_EHS

eUSB2 High-speed data receiver

equalization, (measured indirectly

through jitter)

240MHz E_EQ_P1x Setting 0010

0.59

1.12

1.4

eUSB0, eUSB1 HS OUTPUT LEVELS

VEHSOD

Transmit differential (terminated)

Measured p2p, RL = 80Ω,

E_HS_TX_AMPLITUDE_ Px setting

100, ideal 80Ω Rx differential

termination load

396

440

484

E_TXPE

High-speed TX Pre-emphasis

E_HS_TX_PRE_EMPHASIS_Px Setting

010

1.01

1.29

1.57

(1)

USB 2.0 Promoter Group 2000, USB 2.0 Specification USB 2.0 Promoter Group

(2)

USB Implementers Forum (2018). Embedded USB2 (eUSB2) Physical Layer Supplement to the USB Revision 2.0 Specification, Rev.

1.2 USB Implementers Forum

www.ti.com

TUSB2E221

SNLS757B – JUNE 2024 – REVISED NOVEMBER 2024

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