6

FN6663.0

March 26, 2008

Test Circuits and Waveforms

Logic input waveform is inverted for switches that have the opposite

logic sense.

FIGURE 1A. MEASUREMENT POINTS

capacitance.

FIGURE 1B. TEST CIRCUIT

FIGURE 1. SWITCHING TIMES

FIGURE 2A. MEASUREMENT POINTS

FIGURE 2B. TEST CIRCUIT

FIGURE 2. BREAK-BEFORE-MAKE TIME

50%

90%

0V

LOGIC

INPUT

SWITCH

INPUT

SWITCH

OUTPUT

90%

V

OUT

V

(INPUT)

R

L

R

L

r

ON

+

------------------------

=

SWITCH

INPUT

COMx

AUDIO OR USB

IN

50

Ω

10pF

GND

C

CTRL

90%

LOGIC

INPUT

SWITCH

OUTPUT

0V

IN

COMx

10pF

50W

D- OR D+

L OR R

GND

C

CTRL

C

0V OR

L OR R

COMx

IN

GND

40mA

Repeat test for all switches.

CTRL

FLOAT

C

D- OR D+

COMx

IN

GND

40mA

Repeat test for all switches.

CTRL

ISL54213