5.6 Dynamic Electrical Characteristics, VCC = 3.3 V ±10%

over operating range, TA = –40°C to 85°C, VCC = 3.3 V ±10%, GND = 0 V

PARAMETER

TEST CONDITIONS

TYP(1)

UNIT

XTALK

Crosstalk

RL = 50 , f = 250 MHz

–40

dB

OIRR

OFF isolation

RL = 50 , f = 250 MHz

–40

dB

BW

Bandwidth (–3 dB)

RL = 50

1

GHz

(1)

For Maximum or Minimum conditions, use the appropriate value specified under Electrical Characteristics for the applicable device

type.

5.7 Dynamic Electrical Characteristics, VCC = 2.5 V ±10%

over operating range, TA = –40°C to 85°C, VCC = 2.5 V ±10%, GND = 0 V

PARAMETER

TEST CONDITIONS

TYP(1)

UNIT

XTALK

Crosstalk

RL = 50 , f = 250 MHz

-39

dB

OIRR

OFF isolation

RL = 50 , f = 250 MHz

-40

dB

BW

Bandwidth (3 dB)

RL = 50

1

GHz

(1)

For Maximum or Minimum conditions, use the appropriate value specified under Electrical Characteristics for the applicable device

type.

5.8 Switching Characteristics, VCC = 3.3 V ±10%

over operating range, TA = –40°C to 85°C, VCC = 3.3 V ±10%, GND = 0 V

PARAMETER

MIN

TYP(1)

MAX

UNIT

tpd

Propagation delay(2) (3)

0.25

ns

tON

Line enable time

S to D, nD

30

ns

OE to D, nD

17

tOFF

Line disable time

S to D, nD

12

ns

OE to D, nD

10

tSK(O)

Output skew between center port to any other port(2)

0.1

0.2

ns

tSK(P)

Skew between opposite transitions of the same output (tPHL– tPLH)(2)

0.1

0.2

ns

(1)

For Maximum or Minimum conditions, use the appropriate value specified under Electrical Characteristics for the applicable device

type.

(2)

Specified by design

(3)

The bus switch contributes no propagation delay other than the RC delay of the on resistance of the switch and the load capacitance.

The time constant for the switch alone is of the order of 0.25 ns for 10-pF load. Because this time constant is much smaller than the

rise/fall times of typical driving signals, it adds very little propagation delay to the system. Propagation delay of the bus switch, when

used in a system, is determined by the driving circuit on the driving side of the switch and its interactions with the load on the driven

side.

5.9 Switching Characteristics, VCC = 2.5 V ±10%

over operating range, TA = –40°C to 85°C, VCC = 2.5 V ±10%, GND = 0 V

PARAMETER

MIN

TYP(1)

MAX

UNIT

tpd

Propagation delay(2) (3)

0.25

ns

tON

Line enable time

S to D, nD

50

ns

OE to D, nD

32

tOFF

Line disable time

S to D, nD

23

ns

OE to D, nD

12

tSK(O)

Output skew between center port to any other port(2)

0.1

0.2

ns

tSK(P)

Skew between opposite transitions of the same output (tPHL– tPLH)(2)

0.1

0.2

ns

(1)

For Maximum or Minimum conditions, use the appropriate value specified under Electrical Characteristics for the applicable device

type.

(2)

Specified by design

TS3USB221E

SCDS263E – SEPTEMBER 2009 – REVISED JULY 2024

www.ti.com

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