PI6C991
5V High Speed Programmable Skew
Clock Buffer - SuperClockTM
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Capacitance at REF and FB
Parameter Description
Test Conditions
CIN
Input
Capacitance
TA = 25ºC, f = 1 MHz,
VCC = 5.0V
Max.
10
Units
pF
AC Test Loads and Waveforms (PI6C991)
5V
R1
R1 = 130Ω
R2 = 91Ω
CL = 30pF
CL
R2
(Includes fixture
and probe capacitance)
TTL AC Test Load(16)
2.0V
Vth = 1.5V
0.8V
0.0V
≤1ns
3.0V
2.0V
Vth = 1.5V
0.8V
≤1ns
TTL Input Test Waveform
6
PS8448
10/10/00