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RoboClock®, CY7B995
Document #: 38-07337 Rev. *D
Page 10 of 13
AC Test Loads and Waveforms
Figure 3. For Lock Output and all other Outputs
Figure 4. 3.3V LVTTL and 2.5V LVTTL Output Waveforms
Figure 5. 3.3V LVTTL and 2.5V LVTTL Input Test Waveforms
O u tput
2 0pF
Ou tp u t
20pF
150Ω
150Ω
V DDQ
For Lock O u tp ut
For A ll O th e r O u tputs
2.0V
0.8V
VTH =1.5V
t
PWL
t
PWH
t
ORISE
t
OFALL
3.3V LVTTL OUTPUT WAVEFORM
2.5V LVTTL OUTPUT WAVEFORM
1.7V
0.7V
VTH =1.25V
t
PWL
t
PWH
t
ORISE
t
OFALL
2.0V
0.8V
VTH =1.5V
≤ 1ns
≤ 1ns
3.0V
0V
3.3V LVTTL INPUT TEST WAVEFORM
1.7V
0.7V
VTH =1.25V
≤ 1ns
≤ 1ns
2.5V
0V
2.5V LVTTL INPUT TEST WAVEFORM
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