cy25566 Cypress Semiconductor Corporation., cy25566 Datasheet - Page 5

• Manufacturer Part Number: cy25566
• Description: Spread Spectrum Clock Generator
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 38-07429 Rev. *B
Table 3. Frequency and Bandwidth Selection Chart (Group 3)(Low Frequency (2x) Selection Chart)
Table 2. Frequency and Bandwidth Selection Chart (Group 2)(High Frequency (1x) Selection Chart)
Table 1. Frequency and Bandwidth Selection Chart (Group 1)(Low Frequency (1x) Selection Chart)
XIN/CLK
XIN/CLK
XIN/CLK
XIN/CLK
XIN/CLK
100–120
120–130
130–140
140–150
150–160
160–170
170–180
180–190
190–200
80–100
80–100
(MHz)
25–35
35–40
40–45
45–50
(MHz)
50–60
60–70
70–80
(MHz)
(MHz)
25–35
35–40
40–45
45–50
(MHz)
50–60
60–70
70–80
SSCLK1
90-100
(MHz)
50-70
70-80
80-90
S1 = M
S0 = M
S0 = M
S1 = M
S0 = M
S0 = M
S1 = 1
S1 = 1
2.4
4.3
3.9
3.7
3.4
2.9
2.8
2.6
2.4
4.2
4.0
3.8
3.5
3.0
2.7
2.6
2.6
2.5
2.4
2.3
2.3
25–50 MHz (Low Range, 2X)
100–200 MHz (High Range)
50–100 MHz (High Range)
50–100 MHz (Low Range)
25–50 MHz (Low Range)
S1 = M
S0 = M
4.0
3.8
3.5
3.3
S1 = M
S1 = M
S1 = 0
S0 = 1
S0 = 0
S1 = 0
S0 = 1
S0 =0
3.8
3.6
3.4
3.1
2.4
2.1
2.0
2.0
1.8
1.8
1.8
1.7
1.6
3.8
3.5
3.3
3.1
2.1
2.0
1.8
1.7
S1 = M
S0 = 0
2.9
3.5
3.3
3.1
S1 = 1
S0 = 0
S1 = 1
S0 = 1
S1 = 1
S0 = 0
S1 = 1
S0 = 1
3.2
3.1
2.9
2.7
1.6
1.4
1.3
1.3
1.2
1.2
1.2
1.1
1.1
3.4
3.1
2.8
2.6
1.5
1.4
1.3
1.2
S1 = 1
S0 = 0
3.0
2.9
2.7
2.5
S1 = 0
S0 = 0
S1 = 0
S0 = 0
2.8
2.6
2.5
2.2
2.9
2.5
2.4
2.2
S1 = 0
S0 = 0
2.6
2.4
2.2
2.1
S1 = M
S1 = M
S0 = 1
S0 = 1
1.3
1.1
1.1
1.1
1.0
1.0
1.0
0.9
0.9
1.2
1.1
1.1
1.0
S0 = M
S0 = M
S1 = 0
S1 = 0
S0 = M
S1 = 0
2.8
2.4
2.3
2.1
2.7
2.5
2.4
2.1
2.5
2.3
2.1
2.0
S3
S3
S3
S3
S3
0
0
0
1
1
S2
S2
S2
S2
S2
0
1
0
0
0
CY25566
Page 5 of 9
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