SL15300ZC-XXX SPECTRALINEAR [SpectraLinear Inc], SL15300ZC-XXX Datasheet

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SL15300ZC-XXX

Manufacturer Part Number
SL15300ZC-XXX
Description
Programmable Spread Spectrum Clock Generator (SSCG)
Manufacturer
SPECTRALINEAR [SpectraLinear Inc]
Datasheet
Key Features
Applications
Block Diagram
Rev 1.0, August 14, 2008
2200 Laurelwood Road, Santa Clara, CA 95054 Tel: (408) 855-0555 Fax: (408) 855-0550 www.SpectraLinear.com
• Low power dissipation
• Wide 2.5V to 3.3V +/-10% power supply range
• Programmable 4 outputs from 3 to 200MHz
• Low Jitter
• Programmable Center or Down Spread Modulation
• 8 to 48 MHz external crystal range
• 3 to 166 MHz external clock range
• Integrated internal voltage regulator
• Programmable PD#/OE/SSON#/FS functions
• Programmable CL at XIN and XOUT pins
• Programmable output rise and fall times
• Programmable modulation frequency from 25 to
• Printers, MFPs
• Digital Copiers
• NBPCs and LCD Monitors
• Routers, Servers and Switchers
• HDTV and DVD-R/W
Programmable Spread Spectrum Clock Generator (SSCG)
from 0.25 to 5.0%
120 kHz
- 7.9mA-typ at 66MHz and VDD=3.3V
- 7.0mA-typ at 66MHz and VDD=2.5V
- TBDps at 66MHz
Description
The SL15300 a programmable low power Spread
Spectrum Clock Generator (SSCG) used for reducing
Electromagnetic Interference (EMI). The product is
designed using SpectraLinear proprietary programmable
EProClock™ phase-locked loop (PLL) and Spread
Spectrum Clock (SSC) technology to synthesize and
modulate the input clock. The modulated clock can
significantly reduce the measured EMI levels, and leading
to the compliance with regulatory agency requirements.
Up to 4 output clock frequencies, Spread %, output rise
and fall times, crystal load, modulation frequency and
PD#/OE/SSON#/FS functions can be programmed to meet
the needs of wide range of applications. The SL15300
operates from 2.5V to 3.3V power supply voltage range.
The product is offered in 8-pin TSSOP package with
commercial and industrial grades.
Benefits
• Peak EMI reduction of 8 to 16 dB
• Fast time-to-market
• Cost Reduction
• Reduction of PCB layers
• Eleminates the need for higher order crystals (Xtals)
and crystal oscillators (XOs)
SL15300
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SL15300ZC-XXX Summary of contents

Page 1

Programmable Spread Spectrum Clock Generator (SSCG) Key Features • Low power dissipation - 7.9mA-typ at 66MHz and VDD=3.3V - 7.0mA-typ at 66MHz and VDD=2.5V • Wide 2.5V to 3.3V +/-10% power supply range • Programmable 4 outputs from 3 to ...

Page 2

Pin Configuration Pin Description Pin Pin Name Pin Type Number 1 VDD Power 2 XOUT Output 3 XIN/CLKIN Input 4 SSCLK4, Output or REFCLK3, Input PD#, OE, SSON VSS Power 6 SSCLK2, Output REFCLK1 7 SSCLK1 or ...

Page 3

General Description The primary source of EMI from digital circuits is the system clock and all the other synchronous clocks and control signals derived from the system clock. The well know techniques of filtering (suppression) and shielding (containment), while effective, ...

Page 4

Absolute Maximum Ratings Description Supply voltage, VDD All Inputs and Outputs Ambient Operating Temperature Ambient Operating Temperature Storage Temperature Junction Temperature Soldering Temperature ESD Rating (Human Body Model) ESD Rating (Charge Device Model) JEDEC22-C101C ESD Rating (Machine Model) Latch-up DC ...

Page 5

IDD Operating Supply Current ISBC Standby Current IOL Output Leakage Current Programmable PCin Input Capacitance at PCout Pins 2 and 3 CIN2 Input Capacitance CL Load Capacitance AC Electrical Characteristics (C-Grade) Unless otherwise stated VDD= 3.3V+/- 10%, CL=15pF and Ambient ...

Page 6

CCJ1 Cycle-to-Cycle Jitter (SSCLK – Pins 4/6/7/8) CCJ2 Cycle-to-Cycle Jitter (SSCLK – Pins 4/6/7/8) tPD Power-down Time tPU Power-up Time (Crystal or Clock) tPSR Power Supply Ramp Time tOE Output Enable Time tOD Output Disable Time SPR-1 Spread Percent Range ...

Page 7

RPU/D Pull-up or Down Resistors IDD Operating Supply Current ISBC Standby Current IOL Output Leakage Current Programmable PCin Input Capacitance at PCout Pins 2 and 3 CIN2 Input Capacitance CL Load Capacitance AC Electrical Characteristics (C-Grade) Unless otherwise stated VDD= ...

Page 8

Output Rise/Fall Time tr/f6 Output Rise/Fall Time tr/f7 Output Rise/Fall Time CCJ1 Cycle-to-Cycle Jitter (SSCLK – Pins 4/6/7/8 ) CCJ2 Cycle-to-Cycle Jitter (SSCLK – Pins 4/6/7/8) tPD Power-down Time tPU Power-up Time (Crystal or Clock) tPSR Power Supply Ramp ...

Page 9

IIH Input High Current IIL Input Low Current RPU/D Pull-up or Down Resistors IDD Operating Supply Current ISBC Standby Current IOL Output Leakage Current Programmable PCin Input Capacitance at PCout Pins 2 and 3 CIN2 Input Capacitance CL Load Capacitance ...

Page 10

Output Rise/Fall Time tr/f3 Output Rise/Fall Time tr/f4 Output Rise/Fall Time tr/f5 Output Rise/Fall Time tr/f6 Output Rise/Fall Time tr/f7 Output Rise/Fall Time CCJ1 Cycle-to-Cycle Jitter (SSCLK – Pins 4/6/7/8) CCJ2 Cycle-to-Cycle Jitter (SSCLK – Pins4/6/7/8) tPD Power-down Time ...

Page 11

VOH1 Output High Voltage VOL1 Output Low Voltage IIH Input High Current IIL Input Low Current RPU/D Pull-up or Down Resistors IDD Operating Supply Current ISBC Standby Current IOL Output Leakage Current Programmable PCin Input Capacitance at PCout Pins 2 ...

Page 12

DC2 Output Duty Cycle DC3 Output Duty Cycle DCIN Input Duty Cycle tr/f1 Output Rise/Fall Time tr/f2 Output Rise/Fall Time tr/f3 Output Rise/Fall Time tr/f4 Output Rise/Fall Time tr/f5 Output Rise/Fall Time tr/f6 Output Rise/Fall Time tr/f7 Output Rise/Fall Time ...

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External Components & Design Considerations Typical Application Schematic Comments and Recommendations Decoupling Capacitor: A decoupling capacitor of 0.1μF must be used between VDD and VSS on the pins 1 and 5. Place the capacitor on the component side of the ...

Page 14

Recommended External Crystal Specifications Parameter Description FNOM Nominal Crystal Frequency Range CL Nominal Crystal Load R1,1 Equivalent Series Resistance R1,2 Equivalent Series Resistance R1,3 Equivalent Series Resistance DL1,1 Crystal Drive Level DL1,2 Crystal Drive Level Co1 Shunt Capacitance Co2 Shunt ...

Page 15

Package Outline and Package Dimensions 8-Pin TSSOP Package (173 Mil) Thermal Characteristics Parameter Symbol θ JA Thermal Resistance θ JA Junction to Ambient θ JA θ Thermal Resistance JC Junction to Case Rev 1.0, August 14, 2008 Condition Still air ...

Page 16

... Ordering Information [2] Marking Ordering Number SL15300ZC-XXX SL15300ZC-XXX SL15300ZC-XXXT SL15300ZC-XXX SL15300ZI-XXX SL15300ZI-XXX SL15300ZI-XXXT SL15300ZI-XXX Notes: 1. All SLI products are RoHS compliant. 2. “XXX” is “Dash” number and will be assigned by SLI for final programmed samples or production units based on the each customer programming requirements. ...

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