© 2010 Fairchild Semiconductor Corporation

www.fairchildsemi.com

FSUSB74 • Rev. 1.0.2

6

Test Diagrams

Figure 5. On Resistance

Figure 6. Off Leakage

Figure 7. AC Test Circuit Load

Figure 8. Turn-On / Turn-Off Waveforms

Figure 10. Skew Test Waveforms

Select

Dn

I

ON

V

ON

GND

GND

SW

Select

NC

A

I

Dn(OFF)

GND

V

**Each switch port is tested separately

R

environment (see AC Tables for specific values)

C

Dn

GND

GND

GND

V

OUT

V

OUT

Input

Output

50%

50%

50%

50%

400mV

0V

t

RISE

= 750ps

GND

0.4V

90%

90%

10%

10%

t

FALL

= 750ps

50%

50%

Input

– V

D+/D

-

Output

- V

OUT

50%

50%

V

OH

t

pHL+

–V

D+/D

-

Output

- V

OUT

V

OL

t

pLH-

t

pLH+

t

pHL-

+

-