ISL54208 Datasheet, PDF (7/15 Pages) Intersil Corporation – Low Voltage, Dual SPDT, USB/CVBS/ Audio Switches, with Negative Signal Capability

ISL54208
Test Circuits and Waveforms (Continued)
DIN+
DIN-
OUT+
OUT-
t_ri
10%
90%
50%
t_{skew_i}
90%
50%
10%
t_fi
t_ro
90%
10%
90%
50%
t_{skew_o}
50%
t_f0
10%
V_{DD C}
V_DD
DIN+
DIN-
15.8Ω
143W
15.8Ω
143Ω
CTRL
IN
COM1
COM2
NO1
NO2
OUT+
C_L
45Ω
OUT-
C_L
45Ω
GND
|tro - tri| Delay Due to Switch for Rising Input and Rising Output Signals.
|tfo - tfi| Delay Due to Switch for Falling Input and Falling Output Signals.
|tskew_0| Change in Skew through the Switch for Output Signals.
|tskew_i| Change in Skew through the Switch for Input Signals.
FIGURE 7A. MEASUREMENT POINTS
FIGURE 7. SKEW TEST
FIGURE 7B. TEST CIRCUIT
7
FN6410.0
December 18, 2006