- ページ 5
コンピュータ・ハードウェア Cypress Semiconductor CY25566のPDF 仕様書をオンラインで閲覧またはダウンロードできます。Cypress Semiconductor CY25566 9 ページ。 Cypress spread spectrum clock generator specification sheet
Table 1. Frequency and Bandwidth Selection Chart (Group 1)(Low Frequency (1x) Selection Chart)
XIN/CLK
S1 = M
(MHz)
S0 = M
25–35
4.3
35–40
3.9
40–45
3.7
45–50
3.4
XIN/CLK
S1 = 1
(MHz)
S0 = M
50–60
2.9
60–70
2.8
70–80
2.6
80–100
2.4
Table 2. Frequency and Bandwidth Selection Chart (Group 2)(High Frequency (1x) Selection Chart)
XIN/CLK
S1 = M
(MHz)
S0 = M
50–60
4.2
60–70
4.0
70–80
3.8
80–100
3.5
XIN/CLK
S1 = 1
(MHz)
S0 = M
100–120
3.0
120–130
2.7
130–140
2.6
140–150
2.6
150–160
2.5
160–170
2.4
170–180
2.4
180–190
2.3
190–200
2.3
Table 3. Frequency and Bandwidth Selection Chart (Group 3)(Low Frequency (2x) Selection Chart)
XIN/CLK
SSCLK1
(MHz)
(MHz)
25–35
50-70
35–40
70-80
40–45
80-90
45–50
90-100
Document #: 38-07429 Rev. *B
25–50 MHz (Low Range)
S1 = M
S1 = 1
S0 = 0
S0 = 0
3.8
3.4
3.5
3.1
3.3
2.8
3.1
2.6
50–100 MHz (High Range)
S1 = 0
S1 = 1
S0 = 1
S0 = 1
2.1
1.5
2.0
1.4
1.8
1.3
1.7
1.2
50–100 MHz (Low Range)
S1 = M
S1 = 1
S0 =0
S0 = 0
3.8
3.2
3.6
3.1
3.4
2.9
3.1
2.7
100–200 MHz (High Range)
S1 = 0
S1 = 1
S0 = 1
S0 = 1
2.4
1.6
2.1
1.4
2.0
1.3
2.0
1.3
1.8
1.2
1.8
1.2
1.8
1.2
1.7
1.1
1.6
1.1
25–50 MHz (Low Range, 2X)
S1 = M
S1 = M
S0 = M
S0 = 0
4.0
3.5
3.8
3.3
3.5
3.1
3.3
2.9
S1 = 0
S1 = 0
S0 = 0
S0 = M
2.9
2.8
2.5
2.4
2.4
2.3
2.2
2.1
S1 = M
S0 = 1
1.2
1.1
1.1
1.0
S1 = 0
S1 = 0
S0 = 0
S0 = M
2.8
2.7
2.6
2.5
2.5
2.4
2.2
2.1
S1 = M
S0 = 1
1.3
1.1
1.1
1.1
1.0
1.0
1.0
0.9
0.9
S1 = 1
S1 = 0
S1 = 0
S0 = 0
S0 = 0
S0 = M
3.0
2.6
2.5
2.9
2.4
2.3
2.7
2.2
2.1
2.5
2.1
2.0
CY25566
S3
S2
0
0
S3
S2
0
0
S3
S2
1
0
S3
S2
1
0
S3
S2
0
1
Page 5 of 9
[+] Feedback