CY25819SXCT Cypress Semiconductor Corp, CY25819SXCT Datasheet

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CY25819SXCT

Manufacturer Part Number
CY25819SXCT
Description
IC,Miscellaneous Clock Generator,SOP,8PIN,PLASTIC
Manufacturer
Cypress Semiconductor Corp
Type
Clock/Frequency Synthesizer, Fanout Distribution, Frequency Modulator, Spread Spectrum Clock Generatorr
Datasheet

Specifications of CY25819SXCT

Pll
Yes
Input
Clock, Crystal, Resonator
Output
Clock
Number Of Circuits
1
Ratio - Input:output
1:2
Differential - Input:output
No/No
Frequency - Max
32MHz
Divider/multiplier
Yes/No
Voltage - Supply
2.97 V ~ 3.63 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Frequency-max
32MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Cypress Semiconductor Corporation
Document #: 38-07362 Rev. *C
Features
8- to 32-MHz input frequency range
CY25819: 16 MHz to 32 MHz
Separate modulated and unmodulated clocks
Accepts clock, crystal, and resonator inputs
Down spread modulation
Power-down function
Low-power dissipation
Low cycle-to-cycle jitter
Available in 8-pin (150 mil) SOIC package
Block Diagram
CY25819 = 36 mW typ at 16 MHz
CY25819 = 63 mW typ at 32 MHz
SSCLK = 250 ps typ
REFOUT = 275 ps typ
XIN/CLKIN
XOUT
VDD
VSS
1
8
7
2
300K
MODULATION
REFERENCE
CONTROL
DECODER
DIVIDER
INPUT
S0 PD#
3
6
198 Champion Court
COUNTER
PD and
VCO
CP
DIVIDER
Spread Spectrum Clock Generator
MUX
and
VCO
LF
Applications
Benefits
Printers and MFPs
LCD panels and notebook PCs
Digital copiers
PDAs
Automotive
CD-ROM, VCD, and DVD
Networking and LAN/WAN
Scanners
Modems
Embedded digital systems
Peak electromagnetic interference (EMI) reduction by
8 dB to 16 dB
Fast time to market
Cost reduction
4
5
REFCLK
SSCLK
San Jose
Pin Configuration
,
XIN/CLKIN
CA 95134-1709
SSCLK
Vss
S0
1
2
3
4
8-pin SOIC
8 Pin SOIC
CY25818
CY25819
Revised May 28, 2010
CY25819
8
7
6
5
408-943-2600
XOUT
REFCLK
Vdd
PD#
[+] Feedback

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CY25819SXCT Summary of contents

Page 1

... Available in 8-pin (150 mil) SOIC package Block Diagram 300K REFERENCE XIN/CLKIN 1 XOUT 8 MODULATION CONTROL VDD 7 DECODER VSS 2 Cypress Semiconductor Corporation Document #: 38-07362 Rev. *C Spread Spectrum Clock Generator Applications ■ Printers and MFPs ■ LCD panels and notebook PCs ■ Digital copiers ■ PDAs ■ Automotive ■ ...

Page 2

Pin Description Pin Name 1 XIN/CLK Clock, Crystal, or Ceramic Resonator Input Pin. 2 Vss Power Supply Ground Digital Spread% Control Pin. 3-Level input (H-M-L). Default = M. Modulated Spread Spectrum Output Clock. The output frequency is ...

Page 3

Digital Inputs S0 digital input is designed to sense three logic levels designated as HIGH “1,” LOW “0,” and MIDDLE “M.” With this 3-Level digital input logic, the 3-Level logic is able to detect three different logic levels. The ...

Page 4

Table 4. DC Electrical Characteristics Vdd = 3.3V ±10%, T Parameter Description I Power Supply Current F DD1 I Power Supply Current F DD3 I Power Supply Current PD# = Vss DD4 Table 5. Timing Electrical Characteristics Vdd = 3.3V ...

Page 5

...

Page 6

Application Schematic 14.3 MHz or 27.0 MHz Figure 7. Typical Application Schematic Notes 16.0 MHz SSCLK = 16.0 MHz –2.14 Xin ...

Page 7

... Ordering Information Part Number Pb-Free CY25819SXC 8-pin SOIC CY25819SXCT 8-pin SOIC–Tape and Reel Package Drawing and Dimensions All product and company names mentioned in this document may be the trademarks of their respective holders. Document #: 38-07362 Rev. *C Package Type Commercial, 0°C to 70°C Commercial, 0° ...

Page 8

... Cypress against all charges. Any Source Code (software and/or firmware) is owned by Cypress Semiconductor Corporation (Cypress) and is protected by and subject to worldwide patent protection (United States and foreign), United States copyright laws and international treaty provisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of, and compile the Cypress Source Code and derivative works for the sole purpose of creating custom software and or firmware in support of licensee product to be used only in conjunction with a Cypress integrated circuit as specified in the applicable agreement ...

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