© 2007 Fairchild Semiconductor Corporation

www.fairchildsemi.com

FSUSB40 • Rev. 1.0.8

6

Test Diagrams

Select

Dn

I

ON

V

ON

GND

GND

SW

Select

NC

A

I

Dn(OFF)

GND

V

**Each switch port is tested separately

Figure 4. On Resistance

Figure 5. Off Leakage

R

environment (see AC Tables for specific values)

C

Dn

GND

GND

GND

V

OUT

V

OUT

GND

90%

90%

10%

10%

Input

– V

Output- V

OUT

90%

90%

V

– V

V

–

Figure 6. AC Test Circuit Load

Figure 7. Turn-On / Turn-Off Waveforms

- 400mV

90%

90%

10%

10%

0V

Output

+400mV

– 500ps)

Capacitance

Meter

S

Capacitance

Meter

S

Figure 10. Channel Off Capacitance

Figure 11. Channel On Capacitance