TS3USB31 datasheet(3/17 Pages) TI

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Recommended Operating Conditions

(1)

Electrical Characteristics

(1)

Dynamic Electrical Characteristics

TS3USB31

HIGH-SPEED USB 2.0 (480-Mbps) 1-PORT SWITCH

WITH SINGLE ENABLE

SCDS242C – JULY 2007 – REVISED AUGUST 2007

MIN

MAX

UNIT

VCC

Supply voltage

3.0

4.3

VCC = 3 V to 3.6 V

1.3

VIH

High-level control input voltage

VCC = 4.3 V

1.7

VCC = 3 V to 3.6 V

0.5

VIL

Low-level control input voltage

VCC = 4.3 V

0.7

VI/O

Data input/output voltage

VCC

Operating free-air temperature

–40

°C

(1)

All unused control inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,

Implications of Slow or Floating CMOS Inputs, literature number SCBA004.

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

PARAMETER

TEST CONDITIONS

MIN

TYP(2)

MAX

UNIT

VIK

VCC = 3 V,

II = –18 mA

–1.2

IIN

Control inputs

VCC = 4.3 V,

VIN = 0 to 4.3 V,

VCC = 0 V

±1

μA

IOZ

(3)

VCC = 4.3 V,

VO = 0 to 3.6 V,

VI = 0,

Switch OFF

±1

μA

IOFF

D+ and D–

VCC = 0 V,

VO = 0 to 4.3 V,

VI = 0,

VIN = VCC or GND

±2

μA

ICC

VCC = 4.3 V,

II/O = 0,

Switch ON or OFF

μA

ΔICC

(4)

Control inputs

VCC = 4.3 V,

VIN = 2.6 V

μA

Cin

Control inputs

VCC = 0 V,

VIN = VCC or GND

Cio(OFF)

VCC = 3.3 V,

VI/O = 3.3 V or 0,

Switch OFF

Cio(ON)

VCC = 3.3 V,

VI/O = 3.3 V or 0,

Switch ON

ron

(5)

VCC = 3 V,

VI = 0.4 V,

IO = –8 mA

Ω

Δron

VCC = 3 V,

VI = 0.4 V,

IO = –8 mA

0.35

Ω

ron(flat)

VCC = 3 V,

VI = 0 V or 1 V,

IO = –8 mA

Ω

(1)

VIN and IIN refer to control inputs. VI, VO, II, and IO refer to data pins.

(2)

All typical values are at VCC = 3.3 V (unless otherwise noted), TA = 25°C.

(3)

For I/O ports, the parameter IOZ includes the input leakage current.

(4)

This is the increase in supply current for each input that is at the specified TTL voltage level, rather than VCC or GND.

(5)

Measured by the voltage drop between the A and B terminals at the indicated current through the switch. ON-state resistance is

determined by the lower of the voltages of the two (A or B) terminals.

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 Ω, f = 240 MHz, See Figure 7

–53

OIRR

OFF isolation

RL = 50 Ω, f = 240 MHz, See Figure 6

–30

Bandwidth (–3 dB)

RL = 50 Ω, CL = 5 pF, See Figure 8

1220

MHz

(1)

For Max or Min conditions, use the appropriate value specified under Electrical Characteristics for the applicable device type.

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