Test Circuitry (Continued)
DS100318-6
Notes:
=
=
EE
V , V
CC
+2V, V
−2.5V
CCA
=
L1 and L2 equal length 50Ω impedance lines
=
R
50Ω terminator internal to scope
T
Decoupling 0.1 µF from GND to V and V
CC EE
All unused outputs are loaded with 50Ω to GND
=
C
L
Jig and stray capacitance ≤ 3 pF
FIGURE 2. Toggle Frequency Test Circuit
Switching Waveforms
DS100318-7
FIGURE 3. Propagation Delay (Clock) and Transition Times
5
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