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Teilenummer | W530-02 |
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Beschreibung | Peak-reducing EMI Solution | |
Hersteller | Cypress Semiconductor | |
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Gesamt 8 Seiten www.DataSheet4U.com
W530-02
Frequency-multiplying, Peak-reducing
EMI Solution
Features
• Cypress PREMIS™ SMARTSPREAD™ family offering
• Generates an electromagnetic-interference
(EMI)-optimized clocking signal at the output
• Selectable frequency range and multiplication factor
• Single 1.25%, 2.5%, 5%, or 10%, down or center spread
output
• Integrated loop filter components
• Operates with a 3.3V or 5V supply
• Low-power CMOS design
• Higher drive strength, higher frequency support than
W530
• Available in 20-pin SSOP
Key Specifications
Supply Voltages:....................................... VDD = 3.3V ± 0.3V
or VDD = 5V ± 10%
Frequency Range:......................... 13 MHz ≤ Fout ≤ 166 MHz
Cycle to Cycle Jitter: ........................................250 ps (max.)
Output Duty Cycle: ............................... 40/60% (worst case)
Table 1. Output Frequency Range Selection
OR OR
21
Output Range
(Multiplication Factor Selection)
00
01
10
11
reserved
13 MHz ≤ FOUT ≤ 30 MHz
25 MHz ≤ FOUT ≤ 60 MHz
50 MHz ≤ FOUT ≤ 166 MHz
Table 2. Modulation Width Selection
MW2 MW1 MW0
Output
000
001
Fin ≥ Fout ≥ Fin –1.25%
Favg + 0.625% ≥ Fout ≥ Favg –
0.625%
010
Fin ≥ Fout ≥ Fin – 2.5%
0 1 1 Favg + 1.25% ≥ Fout ≥ Favg – 1.25%
100
Fin ≥ Fout ≥ Fin – 5%
1 0 1 Favg + 2.5% ≥ Fout ≥ Favg – 2.5%
110
Fin ≥ Fout ≥ Fin – 10%
111
Favg + 5% ≥ Fout ≥ Favg – 5%
Table 3. Input Frequency Range Selection
IR2 IR1
Input Range
00
reserved
01
10
11
13 MHz ≤ FIN ≤ 30 MHz
25 MHz ≤ FIN ≤ 60 MHz
50 MHz ≤ FIN ≤ 166 MHz
Cypress Semiconductor Corporation • 3901 North First Street • San Jose, CA 95134 • 408-943-2600
Document #: 38-07190 Rev. *A
Revised January 7, 2003
W530-02
AC Electrical Characteristics: TA = 0°C to +70°C, VDD = 3.3V ±0.3V
Parameter
Description
Test Condition
fIN
fOUT
tR
tF
tOD
tID
tJCYC
Input Frequency
Output Frequency
Output Rise Time
Output Fall Time
Output Duty Cycle
Input Duty Cycle
Jitter, Cycle-to-Cycle
Input Clock
Spread Off
VDD, 15-pF load, 0.8V–2.4V
VDD, 15-pF load, 2.4V–0.8V
15-pF load
Min.
14
13
40
40
Typ.
2
2
250
Max.
166
166
5
5
60
60
300
AC Electrical Characteristics: TA = 0°C to +70°C, VDD = 5V±10%
Parameter
Description
Test Condition
Min. Typ. Max.
fIN
fOUT
tR
tF
tOD
tID
tJCYC
Input Frequency
Output Frequency
Output Rise Time
Output Fall Time
Output Duty Cycle
Input Duty Cycle
Jitter, Cycle-to-Cycle
Input Clock
Spread Off
VDD, 15-pF load, 0.8V–2.4V
VDD, 15-pF load, 2.4V–0.8V
15-pF load
14
13
45
40
166
166
25
25
55
60
100 200
Ordering Information
Ordering Code
W530-02H
W530-02HT
Package Type
20-pin Plastic SSOP (209-mil)
20-pin Plastic SSOP (209-mil) - Tape and Reel
Product Flow
Commercial, 0°C to 70°C
Commercial, 0°C to 70°C
Unit
MHz
MHz
ns
ns
%
%
ps
Unit
MHz
MHz
ns
ns
%
%
ps
Document #: 38-07190 Rev. *A
Page 6 of 8
6 Page | ||
Seiten | Gesamt 8 Seiten | |
PDF Download | [ W530-02 Schematic.PDF ] |
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