PULSE
GENERATOR
74VCXH16240
VCC
DUT
RT
RL
CL
RL
6 V or VCC × 2
OPEN
GND
Figure 7. Test Circuit
Table 5. TEST CIRCUIT
TEST
SWITCH
tPLH, tPHL
tPZL, tPLZ
Open
6 V at VCC = 3.3 ± 0.3 V;
VCC × 2 at VCC = 2.5 ± 0.2 V; 1.8 ± 0.15 V
tPZH, tPHZ
GND
CL = 50 pF or equivalent (Includes jig and probe capacitance)
RL = 500 W or equivalent
RT = ZOUT of pulse generator (typically 50 W)
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