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CY25568
Spread Spectrum Clock Generator
Cypress Semiconductor Corporation
http://www.cypress.com
Document#: 38-07111 Rev. *A
06/21/01
Page 8 of 12
Approved Product
CHARACTERISTIC CURVES
The following curves demonstrate the characteristic behavior of the CY25568 when tested over a number of
environmental and application specific parameters. These are typical performance curves and are not meant to
replace any parameter specified in tables 3 and 4.
Figure 4A. Jitter vs. Input Frequency (No Load)
Figure 4B Bandwidth % vs. Temperature
Figure 4C. IDD vs. Frequency (FRSEL = 0, 1, M)
Figure 4D. Bandwidth % vs. VDD
0
100
200
300
400
500
600
4
8
12
16
20
24
28
32
Input Frequency (MHz)
1.75
2
2.25
2.5
2.75
-40
-25
-10
5
20
35
50
65
80
95
110
125
Temp (C)
6.0 MHz
32.0 MHz
1.8
1.9
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
VDD (volts)
4.0 MHz
8.0 MHz
10
12
14
16
18
20
22
24
26
28
30
4
4.555.5
66.577.5
8
Frequency (MHz) no load, normalized to FRSEL = 0, (4 - 8 MHz).
FRSEL = 0
4 - 8 MHz
FRSEL = 1
8 - 16 MHz
FRSEL = M
16 - 32 MHz
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