CS2000-CP
AC ELECTRICAL CHARACTERISTICS
Test Conditions (unless otherwise specified): VD = 3.1 V to 3.5 V; T = -10°C to +70°C (Commercial Grade);
A
T = -40°C to +85°C (Automotive Grade); C = 15 pF.
A
L
Parameters
Symbol
fXTAL
Conditions
Min
Typ
Max Units
Crystal Frequency
Fundamental Mode
8
-
-
50
75
55
30
-
MHz
MHz
%
Reference Clock Input Frequency
Reference Clock Input Duty Cycle
Clock Input Frequency
fREF_CLK
DREF_CLK
fCLK_IN
pwCLK_IN
fCLK_OUT
tOD
8
45
-
50 Hz
-
MHz
ns
Clock Input Pulse Width
10
6
-
PLL Clock Output Frequency
PLL Clock Output Duty Cycle
Clock Output Rise Time
-
75
52
3.0
3.0
150
MHz
%
Measured at VD/2
20% to 80% of VD
80% to 20% of VD
(Note 4)
48
-
50
1.7
1.7
70
tOR
ns
Clock Output Fall Time
tOF
-
ns
Period Jitter (rms)
tJIT(rms)
tLC
-
ps
PLL Lock Time - CLK_IN (Note 5)
fCLK_IN < 200 kHz
fCLK_IN > 200 kHz
-
-
100
1
200
2
UI
ms
PLL Lock Time - REF_CLK
tLR
ferr
fREF_CLK = 8 to 75 MHz
-
1
2
ms
High Resolution
High Multiplication
0
0
-
-
±0.5
±112
ppm
ppm
Output Frequency Synthesis Resolution (Note 6)
Notes: 4. Sample size = 10,000 points; AuxOutSrc[1:0] = 11.
5. 1 UI (unit interval) corresponds to T or 1/f
.
CLK_IN
CLK_IN
6. The frequency accuracy of the PLL clock output is directly proportional to the frequency accuracy of the
reference clock.
DS761A2
7
CIRRUS [ CIRRUS LOGIC ]
