CY25483 Cypress Semiconductor, CY25483 Datasheet - Page 7

• Manufacturer Part Number: CY25483
• Description: (CY254x3) Three PLL Programmable Clock Generator
• Manufacturer: Cypress Semiconductor

AC Electrical Specifications
Configuration Example for C-C Jitter
Recommended Crystal Specification for SMD Package
Document #: 001-12564 Rev. *F
Fmin
Fmax
R1
C0
CL
DL(max)
F
F
F
DC
DC
T
T
T
T
T
T
Parameter
Parameter
Ref. Frequency
IN
IN
CLK
RF1
RF2
RF3
RF4
CCJ
LOCK
(crystal)
(clock)
[3]
[3]
[3]
[3]
[3, 4]
14.3181
(MHz)
[3]
19.2
27
48
Minimum frequency
Maximum frequency
Motional resistance (ESR)
Shunt capacitance
Parallel load capacitance
Maximum crystal drive level
Crystal frequency, XIN
Input clock frequency (EXCLKIN)
Output clock frequency
Output duty cycle, all clocks except ref
out
Ref out duty cycle
Output rise/fall time
Output rise/fall time
Output rise/fall time
Output rise/fall time
Cycle-to-cycle jitter (peak)
PLL lock time
Freq. (MHz)
74.25
8.0
Description
48
48
CLK1 Output
C-C Jitter Typ
(ps)
134
Description
99
67
93
Duty Cycle is defined in
t
Ref In Min 45%, Max 55%
Measured from 20% to 80% of V
shown in
drive strength [00]
Measured from 20% to 80% of V
shown in
drive strength [01]
Measured from 20% to 80% of V
shown in
drive strength [10]
Measured from 20% to 80% of V
shown in
drive strength [11]
Configuration dependent. See
Table
Measured from 90% of the applied power
supply level
1
/t
2
, measured at 50% of V
Freq. (MHz)
Configuration Example for C-C Jitter
Figure 4 on page
Figure 4 on page
Figure 4 on page
Figure 4 on page
166
166
27
27
CLK2 Output
Conditions
–
–
–
C-C Jitter Typ
Figure 3 on page
8, CL = 15 pF,
8, CL = 15 pF,
8, CL = 15 pF,
8, CL = 15 pF,
DD
(ps)
103
109
123
CY25403/CY25423/CY25483
94
DD,
DD
DD
DD
, as
, as
, as
as
Range 1 Range 2 Range 3 Unit
135
300
8;
14
18
8
4
Freq. (MHz)
Min
45
40
166
166
8
8
3
–
–
–
–
–
–
48
8
CLK3 Output
300
14
28
50
14
4
Typ
100
6.8
3.4
2.0
1.0
50
–
–
–
–
1
C-C Jitter Typ
300
28
48
30
12
2
Page 7 of 14
Max
166
166
48
55
60
–
–
–
–
–
3
(ps)
103
137
92
91
MHz
MHz
µW
Unit
pF
pF
MH
MH
MH

ms
ns
ns
ns
ns
ps
%
%
z
z
z