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HD74LV27A Datasheet, PDF (8/12 Pages) Hitachi Semiconductor – Triple 3-input Positive NOR Gates | |||
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HD74LV27A
Test Circuit
Measurement point
CL*
Note: CL includes the probe and jig capacitance.
⢠Waveform â 1
Input
tr
10%
90%
50% VCC
tPLH
tf
90%
50% VCC
10%
tPHL
In phase output
tPHL
50% VCC
50% VCC
tPLH
Out of phase output
50% VCC
50% VCC
VCC
0V
VOH
VOL
VOH
VOL
Notes: 1. Input waveform: PRR ⤠1 MHz, Zo = 50 â¦, tr ⤠3 ns, tf ⤠3 ns
2. The output are measured one at a time with one transition per measurement.
8
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