CYW180-03SX Cypress Semiconductor Corporation., CYW180-03SX Datasheet

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CYW180-03SX

Manufacturer Part Number
CYW180-03SX
Description
Manufacturer
Cypress Semiconductor Corporation.
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
CYW180-03SX
Manufacturer:
CY
Quantity:
174
Cypress Semiconductor Corporation
Document #: 38-07156 Rev. *B
Features
Key Specifications
Supply Voltages:............................................V
Frequency Range:...............................8 MHz < F
Cycle to Cycle Jitter: ........................................300 ps (max.)
Selectable Spread Percentage:.................... 1.25% or 3.75%
Output Duty Cycle: ............................... 40/60% (worst case)
Output Rise and Fall Time:...................................5 ns (max.)
• Cypress PREMIS™ family offering
• Generates an EMI optimized clocking signal at the
• Selectable output frequency range
• Single 1.25% or 3.75% down or center spread output
• Integrated loop filter components
• Operates with a 3.3V or 5V supply
• Low power CMOS design
• Available in 8-pin SOIC (Small Outline Integrated
Simplified Block Diagram
Oscillator or
Reference Input
XTAL
output
Circuit)
Input
X1
X2
3.3V or 5.0V
3.3V or 5.0V
W180
W180
(EMI suppressed)
or V
(EMI suppressed)
Spread Spectrum
Output
Output
Spread Spectrum
DD
DD
198 Champion Court
in
= 3.3V±5%
= 5V±10%
< 28 MHz
Table 1. Modulation Width Selection
Table 2. Frequency Range Selection
SS%
FS2
0
1
0
0
1
1
Peak Reducing EMI Solution
Pin Configurations
F
F
CLKIN or X1
CLKIN or X1
FS1
in
in
0
1
0
1
W180-01, 02, 03
San Jose
> F
> F
NC or X2
NC or X2
out
out
GND
SS%
GND
SS%
Output
10 < F
15 < F
18 < F
8 < F
> F
> F
-01, 51
(MHz)
in
in
,
IN
CA 95134-1709
– 1.25% F
– 3.75% F
IN
IN
IN
1
2
3
4
1
2
3
4
< 10
< 15 10 < F
< 18
< 28
SOIC
W180 Option#
8 < F
Revised October 5, 2005
in
in
8
7
6
5
8
7
6
5
-02, 52
+ 0.625% > F
+ 1.875% > F
(MHz)
N/A
N/A
IN
W180-51, 52, 53
IN
SSON#
FS1
VDD
CLKOUT
FS2
FS1
VDD
CLKOUT
< 10
< 15
Output
15 < F
18 < F
408-943-2600
in
in
> – 0.625%
> –1.875%
-03, 53
(MHz)
N/A
N/A
W180
IN
IN
< 18
< 28

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CYW180-03SX Summary of contents

Page 1

Features • Cypress PREMIS™ family offering • Generates an EMI optimized clocking signal at the output • Selectable output frequency range • Single 1.25% or 3.75% down or center spread output • Integrated loop filter components • Operates with a ...

Page 2

Pin Definitions Pin Name Pin No. Type CLKOUT 5 CLKIN SSON# 8 (-02, -03 52, 53) FS1 (-01, 51) SS% 4 VDD 6 GND 3 Document #: 38-07156 Rev. *B Pin ...

Page 3

Overview The W180 products are one series of devices in the Cypress PREMIS family. The PREMIS family incorporates the latest advances in PLL spread spectrum frequency synthesizer techniques. By frequency modulating the output with a low-frequency carrier, peak EMI is ...

Page 4

Spread Spectrum Frequency Timing Generation The device generates a clock that is frequency modulated in order to increase the bandwidth that it occupies. By increasing the bandwidth of the fundamental and its harmonics, the ampli- tudes of the radiated electromagnetic ...

Page 5

Absolute Maximum Ratings Stresses greater than those listed in this table may cause permanent damage to the device. These represent a stress rating only. Operation of the device at these or any other condi- . Parameter Voltage ...

Page 6

DC Electrical Characteristics: Parameter Description I Supply Current DD t Power Up Time ON V Input Low Voltage IL V Input High Voltage IH V Output Low Voltage OL V Output High Voltage OH I Input Low Current IL I ...

Page 7

Application Information Recommended Circuit Configuration For optimum performance in system applications the power supply decoupling scheme shown in Figure 4 should be used. V decoupling is important to both reduce phase jitter and DD EMI radiation. The 0.1-µF decoupling capacitor ...

Page 8

... Plastic SOIC (150-mil)- Tape and Reel CYW180-02SX 8-pin Plastic SOIC (150-mil) CYW180-02SXT 8-pin Plastic SOIC (150-mil)- Tape and Reel CYW180-03SX 8-pin Plastic SOIC (150-mil) CYW180-03SXT 8-pin Plastic SOIC (150-mil)- Tape and Reel CYW180-51SX 8-pin Plastic SOIC (150-mil) CYW180-51SXT 8-pin Plastic SOIC (150-mil)- Tape and Reel CYW180-52SX ...

Page 9

... BSC 0.0138[0.350] 0.0192[0.487] PREMIS is a trademark of Cypress Semiconductor Corporation. All products and company names mentioned in this document may be the trademarks of their respective holders. Document #: 38-07156 Rev. *B © Cypress Semiconductor Corporation, 2005. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress product ...

Page 10

Document Title: W180 Peak Reducing EMI Solution Document Number: 38-07156 Issue REV. ECN NO. Date ** 110266 12/15/01 *A 122588 12/27/02 *B 402292 See ECN Document #: 38-07156 Rev. *B Orig. of Change SZV Change from Spec number: 38-00796 to ...

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