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C5002

International
Part Number C5002
Manufacturer International
Description Low Skew Muliple Frequency PCI Clock Generator with EMI Reducing SSCG
Published Apr 22, 2005
Detailed Description C5002 Low Skew Multiple Frequency PCI Clock Generator with EMI Reducing SSCG Approved Product Product Features § § § § §...
Datasheet PDF File C5002 PDF File

C5002
C5002


Overview
C5002 Low Skew Multiple Frequency PCI Clock Generator with EMI Reducing SSCG Approved Product Product Features § § § § § § § § § § § § Produces PCI output clocks that are individually selectable for 33.
3 or 66.
6 MHz under SMBus or strapping control.
Separate output buffer power supply for reduced noise, crosstalk and jitter.
input clock frequency standard 14.
31818 MHz Output clocks frequency individually selectable via SMBus or hardware bi-directional pin strapping.
SSCG EMI reduction at 1.
0% width Individual clock disables via SMBus control All output clocks skewed within a 500 pS window Cycle to Cycle jitter ± 250 pS Output duty cycle is automatically 50% (±10%) adjusted Clock feed through mode and OE pins for logic testing Glitchless clock enabling and disabling transitions 28-pin TSSOP or SSOP package Output Enable Logic Functionality Table OE 1 (HIGH) 0 (LOW) CLK(0:9) Enabled Tri State PLL Running Stopped* *See Output Enable Control section of this datasheet.
Block Diagram XIN XOUT Reference Oscillator ÷1 ÷2 M U X Pin Configuration REFCLK0/S0 CLK1/S ÷1 ÷2 ÷1 ÷2 VDD CLK2/S 2 CLK3/S3 CLK4/S4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16.
15 VDD1 REF-CLK0/S0 CLK1/S1 VSS VDD2 CLK2/S2 CLK3/S3 VSS VDD3 CLK4/S4 CLK5/S5 VSS VDD4 CLK6/S6 XIN XOUT VSS OE SCLK SDATA VSS VSS CLK9/S9 CLK8/S8 VDD5 VSS CLK7/S7 PLL ÷1 ÷2 ÷1 ÷2 ÷1 ÷2 ÷1 ÷2 ÷1 ÷2 ÷1 ÷2 CLK5/S5 CLK6/S6 CLK7/S7 CLK8/S8 CLK9/S9 OE SDATA SCLK SMBus LOGIC ÷1 ÷2 ÷4, ÷8 Cypress Semiconductor Corporation 525 Los Coches St.
Milpitas, CA 95035.
Tel: 408-263-6300, Fax: 408-263-6571 http://www.
cypress.
com Document#: 38-07014 Rev.
** 5/4/2001 Page 1 of 16 C5002 Low Skew Multiple Frequency PCI Clock Generator with EMI Reducing SSCG Approved Product Pin Description Pin Number 2 Pin Name XIN PWR VDDA I/O I Description This pin is the connection point for the devices Loop reference frequency.
This may be either a CMOS 3.
3 volt reference clock or the output of an external crystal.
A...


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