
TLC2934
3.3 V 130 MHZ VCO, PHASE FREQUENCY DETECTOR
SLAS306 – NOVEMBER 2000
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, VDD=3.3 V
(unless otherwise noted) (continued)
VCO
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
IOH = –2 mA
3.1
V
VOL
Low-level output voltage
IOL = 2 mA
0.2
V
IOZ
High-impedance state output current
PFD INHIBIT = high,
VO = VDD or GND
±1
A
VIH
High-level input voltage at FIN–A,B
2.3
V
VIL
Low-level input voltage at FIN–A,B
1.0
V
V(TO)
Positive input threshold voltage at PFD INHIBIT
1.0
1.65
2.3
V
CI
Input capacitance at FIN-A,B
5
pF
Z(IN)
Input impedance at FIN-A,B
10
M
IDD(PFD)
PFD supply current
See Note 8
1.5
6.0
mA
NOTE 8: Current into LOGIC VDD, when FIN-A, FIN-B=50 MHz (VI(pp) = 3.3V, rectangular wave), Test=GND, no load, and VCO OUT is inhibited.
VCO
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
f(OSC)
Operating oscillation frequency
RBIAS = 1 k
67
90
113
MHz
t(STB)
Time to stable oscillation
See Note 9
0.7
10
s
tr
Rise time
CL = 15 pF, See Figure 3
1.7
5
ns
tf
Fall time
CL = 15 pF, See Figure 3
1.1
4
ns
f(duty)
Duty cycle at VCO OUT
RBIAS = 1.0 k, VCO IN = 1/2 VDD
45%
50%
55%
Temperature coefficient of oscillation frequency
RBIAS=1.0k, VCO IN = 1/2 VDD,
TA = –20°C to 75°C
0.03
%/
°C
Supply voltage coefficient of oscillation frequency
RBIAS = 1 k, VCO IN = 1.65 V,
VDD = 3.15 V to 3.45 V
0.02
%/mV
Jitter absolute
RBIAS = 1 k, VCO IN = 1/2 VDD
50
ps
NOTE 9: Current into VCO VDD, when VCO INHIBIT = VDD, PFD is inhibited.
PFD AC
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fMAX
Maximum operating frequency
50
MHz
tPLZ
PFD output disable time from low level
See Figures 4 and 5 and Table 6
15.3
40
ns
tPHZ
PFD output disable time from high level
15.5
40
ns
tPZL
PFD output enable time from low level
2.4
10
ns
tPZH
PFD output enable time from high level
2.5
10
ns
tr
Rise time
CL=15 pF (see Figure 3)
1.2
5
ns
tf
Fall time
CL=15 pF (see Figure 3)
0.7
5
ns