![](/html/Hitachi/917357/page6.png)
HD74LVC74
Test Circuit
Input
VCC
Pulse Generator
Zout = 50 Ω
Input
Pulse Generator
Zout = 50 Ω
PR
D
CK
CLR
Q
CL =
50 pF
Q
CL =
50 pF
450 Ω
50 Ω Scope
Output Q
450 Ω
50 Ω Scope
Output Q
Notes:
1. CL includes probe and jig capacitance.
2. Test is put into the each flip flops.
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