
Figure 3: Test Circuit
74LVC08A
RT = ZOUT of pulse generator (typically 50Ω)
Table 10: Test Circuit And Waveform Symbol Value
Symbol
CL
RL
VIH
VM
VOH
tr = tr
1.65 to 1.95V
30pF
1000Ω
VCC
VCC/2
VCC
<2.0ns
VCC
2.3 to 2.7V
30pF
500Ω
VCC
VCC/2
VCC
<2.0ns
2.7V
50pF
500Ω
2.7V
1.5V
3.0V
<2.5ns
Figure 4: Waveform: Propagation Delay (f=1MHz; 50% duty cycle)
3.0 to 3.6V
50pF
500Ω
2.7V
1.5V
3.0V
<2.5ns
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