FSUSB31K8X datasheet(4/14 Pages) FAIRCHILD

Part #	FSUSB31K8X

Description	Low-Power, Single-Port, High-Speed USB 2.0 (480Mbps) Switch

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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FSUSB31 Rev. 1.0.8

4

DC Electrical Characteristics

All typical values are at 25°C unless otherwise specified.

Notes:

3. Measured by the voltage drop between Dn, HSD, and Dn pins at the indicated current through the switch.

On resistance is determined by the lower of the voltage on the two ports.

4. Guaranteed by characterization.

AC Electrical Characteristics

All typical values are for VCC = 3.3V are at 25°C unless otherwise specified.

Note:

5. Guaranteed by characterization.

Symbol

Parameter

Conditions

VCC (V)

TA = −40°C to +85°C

Unit

Min.

Typ.

Max.

VIK

Clamp Diode Voltage

IIN = −18mA

3.0

-1.2

V

VIH

Input Voltage HIGH

3.0 to 3.6

1.3

V

4.3

1.7

VIL

Input Voltage LOW

3.0 to 3.6

0.5

V

4.3

0.7

IIN

Control Input Leakage

VIN = 0V to VCC

4.3

-1.0

1.0

μA

IOZ

OFF State Leakage

0

≤ HSD ≤ VCC

4.3

-2.0

2.0

μA

IOFF

Power OFF Leakage

Current (D+, D–)

VIN = 0.0V to 4.3V,

VCC = 0V

0-2.0

2.0

μA

RON

Switch On Resistance(3)

VIN = 0.4V, ION = −8mA

3.0

6.5

10.0

Ω

ΔRON

Delta RON(4)

VIN = 0.4V, ION = −8mA

3.0

0.35

Ω

RON Flatness RON Flatness(3)

VIN = 0.0V −1.0V,

ION = −8mA

3.0

2.0

Ω

ICC

Quiescent Supply Current

VIN = 0.0V or VCC,

IOUT = 0

4.3

1.0

μA

ICCT

Increase in ICC Current

per Control Voltage and

VCC Levels

VIN = 2.6V, VCC = 4.3V

4.3

10.0

μA

Symbol

Parameter

Conditions

VCC (V)

TA = −40°C to +85°C

Unit

Figure

Number

Min.

Typ.

Max.

tON

Turn-On Time,

OE to Output

VIN = 0.8V, RL = 50Ω,

CL = 5pF

3.0 to 3.6

15.0

30.0

ns

Figure 13

tOFF

Turn-Off Time,

OE to Output

VIN = 0.8V, RL = 50Ω,

CL = 5pF

3.0 to 3.6

12.0

25.0

ns

Figure 13

tPD

Propagation Delay(5)

RL = 50Ω, CL = 5pF

3.3

0.25

ns

Figure 11

Figure 12

tBBM

Break-Before-Make

RL = 50Ω, CL = 5pF,

VIN = 0.8V

3.0 to 3.6

2.0

6.5

ns

Figure 14

OIRR

Off Isolation

(Non-Adjacent)

RT = 50Ω, f = 240MHz

3.0 to 3.6

-35.0

dB

Figure 17

Xtalk

Non-Adjacent Channel

Crosstalk

RT = 50Ω, f = 240MHz

3.0 to 3.6

-55.0

dB

Figure 18

BW

-3dB Bandwidth

RT = 50Ω, CL = 0pF

3.0 to 3.6

720

MHz

Figure 16

RT = 50Ω, CL = 5pF

550

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