TUSB2E221 datasheet(13/65 Pages) TI

13 / 65 page

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ZHSTERM_N

Driver output resistance (which also

serves as high speed termination)

(VOH= 0 to 600mV) USB 2.0

Spec Section 7.1.1.1 (1), Default,

U_HS_TERM_Px Setting 01

40.6

49.4

USBA, USBB INPUT LEVELS LS/FS

VIH

High (driven)

USB 2.0 Spec Section 7.1.4 (1)

(measured at connector)

VIHZ

High (floating)

USB 2.0 Spec Section 7.1.4 (1) (HOST

downstream port pull down resistor

enabled and external device pull up

1.5kΩ +/-5% to 3.0V to 3.6V).

2.7

3.6

VIL

Low

USB 2.0 Spec Section 7.1.4 (1)

0.8

VDI

Differential input sensitivity (hysteresis is

off)

|(D+)-(D-)|; USB 2.0 Spec Figure 7-19

(1); (measured at connector) VCM=0.8V

to 2.0V

0.2

USBA, USBB OUTPUT LEVELS LS/FS

VOL

Low

USB 2.0 Spec Section 7.1.1

(1), (measured at connector with RL of

1.425kΩ to 3.6V. )

0.3

VOH

High (Driven)

USB 2.0 Spec Section 7.1.1 (1)

(measured at connector with RL of

14.25kΩ to GND. )

2.8

3.6

ZFSTERM

Driver series output resistance

USB 2.0 Spec Section 7.1.1 (1),

Measured it during VOL or VOH

VCRS2

Output signal crossover voltage

Measured as in USB 2.0 Spec Section

7.1.1 Figure 7-8 (1); Excluding the first

transition from the Idle state. With

external 1.5kΩ pullup on DP to 3.0V

1.3

VCRS

Output signal crossover voltage

Measured as in USB 2.0 Spec Section

7.1.1 Figure 7-8 (1); Excluding the first

transition from the Idle state

1.3

USBA, USBB INPUT LEVELS HS

VHSSQ

High-speed squelch/no-squelch

detection threshold

USB 2.0 Spec Section 7.1.7.2

(specification refers to peak differential

signal amplitude) (1), measured at

240MHz with increasing amplitude,

U_SQUELCH_THRESHOLD_Px Setting

100, VCM = –50mV to 500mV

104

126

150

VHSDSC

High speed disconnect detection

threshold

USB 2.0 Spec Section 7.1.7.2

(specification refers to differential signal

amplitude) (1). (+22.4%),

U_DISCONNECT_THRESHOLD_Px

Setting 0111, VCM = 367mV to 770mV

697

732

760

EQ_UHS

USB high-speed data receiver

equalization, (measured indirectly

through jitter)

240MHz, U_EQ_Px Setting 010

0.62

1.09

1.57

USBA, USBB OUTPUT LEVELS HS

VHSOD

High-speed data signaling swing

Measured p-p, 10%,

U_HS_TX_AMPLITUDE_Px Setting

0111, PE disabled,Test load is an ideal

45ohm to GND on DP and DN.

792

880

968

VHSOL

High-speed data signaling low, driver is

off termination is on (measured single

ended)

USB 2.0 Spec Section 7.1.7.2 (1), PE

disabled, Test load is an ideal 45Ω to

GND on DP and DN.

–10

VCHIRPJ

Host/ Hub Chirp J 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.

700

900

1100

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TUSB2E221

SNLS757B – JUNE 2024 – REVISED NOVEMBER 2024

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