XRK4993 Datasheet, PDF (8/13 Pages) Exar Corporation – 3.3V PROGRAMMABLE SKEW CLOCK BUFFER

XRK4993
3.3V PROGRAMMABLE SKEW CLOCK BUFFER
FIGURE 4. AC TEST LOAD
C_L
V_CC
R1
R2
LOAD
R1 = 150Ω
R2 = 150Ω
C_L = 20pF
(includes fixture and probe capacitance
REV. 1.0.0
FIGURE 5. INPUT/OUTPUT TEST WAVEFORM
2.0V
V_th = 1.5V
0.8V
0.0V
<1ns
3.0V
2.0V
V_th = 1.5V
0.8V
<1ns
SWITCHING CHARACTERISTICS OVER THE OPERATING RANGE ^[2,8]
SYMBOL
DESCRIPTION
MIN
f_NOM Operating Clock Frequency in MHz
FSEL = LOW ^{[1, 2]}
15
FSEL = MID ^{[1, 2]}
25
FSEL = HIGH ^{[1, 2, 3]}
40
MAX
35
60
85
UNIT
MHz
8