CY25000 Cypress Semiconductor, CY25000 Datasheet - Page 7

• Manufacturer Part Number: CY25000
• Description: Programmable Spread Spectrum Clock Generator
• Manufacturer: Cypress Semiconductor

Document #: 38-07424 Rev. *B
Informational Graphs
-10
60
58
56
54
52
50
48
46
44
42
40
SSCLK Attenduation vs. VDD over Tem perature
0.60%
0.55%
0.50%
0.45%
0.40%
Measured Spread% vs. VDD over Tem perature
-2
-4
-6
-8
(Measured at 7th Harmonic w ith Fnom=100MHz and
(Target Spread = 0.5%, Fout=100MHz, C
0
0
2.7
2.7
(VDD=3.0V, Temperature=25C, CLOAD = 15pF)
3
Spread=0.5%, C
50
3
Duty Cycle vs. REFCLK
VDD (V)
VDD (V)
3.3
REFCLK (MHz)
3.3
(continued)
100
LOA D
3.6
3.6
=15pF)
150
3.9
3.9
LOA D
=15pF)
200
-40C
25C
85C
-40C
25C
85C
70
60
50
40
30
20
10
0
-10
-12
-14
-16
-18
-20
SSCLK Attenduation vs. VDD over Tem perature
0
(Measured at 7th Harmonic w ith Fnom=100MHz and
6.00%
5.50%
5.00%
4.50%
4.00%
(Target Spread = 5.0%, Fout=100MHz, C
Temperature=25C, VDD=3.3V, CLOAD=15pF
2.7
2.7
Measured Spread% vs. VDD over
50
3
Spread=5.0%, C
3
IDD vs. SSCLK
VDD (V)
Tem perature
VDD (V)
SSC LK (M H z)
3.3
100
3.3
LOAD
3.6
3.6
150
=15pF)
3.9
3.9
LOA D
200
CY25000
=15pF)
Page 7 of 10
REFCLK=SSCLK
REFCLK=30MHz
-40C
25C
85C
250
-40C
25C
85C