TLC2934IPW Datasheet, PDF (5/10 Pages) Texas Instruments – 3.3 V 130 MHZ VCO, PHASE FREQUENCY DETECTOR

TLC2934
3.3 V 130 MHZ VCO, PHASE FREQUENCY DETECTOR
PARAMETER MEASUREMENT INFORMATION
SLAS306 – NOVEMBER 2000
VCO OUT
90%
10%
90%
10%
tr
tf
Figure 1. VCO Output Voltage Waveform
FIN– A†
FIN– B†
VDD
GND
VDD
GND
PFD INHIBIT
PFD OUT
50%
VDD
GND
50%
10%
tPZH
tr
90%
50%
tPHZ
50%
VOH
GND
90%
tPZL
tf
50%
10%
tPLZ
50%
(a) OUTPUT PULLDOWN
(b) OUTPUT PULLUP
(see Figure 3 and PFD Output Test Conditions Table)
† _{FIN-A and FIN-B are for reference phase only, not for timing.}
Figure 2. PFD Output Voltage Waveform
VDD
GND
VDD
GND
VDD
GND
VDD
VOL
PFD Output Test Conditions
PARAMETER
tPZH
tPHZ
tr
tPZL
tPLZ
tf
RL
1 kΩ
CL
15 pF
SL
Open
Close
S2
Close
Open
Test Point
PFD OUT
DUT
RL
CL
Figure 3. PFD Output Test Condition
VDD
S1
S2
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