SL38000ZC-XXX SPECTRALINEAR [SpectraLinear Inc], SL38000ZC-XXX Datasheet

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SL38000ZC-XXX

Manufacturer Part Number

SL38000ZC-XXX

Description

Programmable 4-PLL CG with VCXO and SSCG

Manufacturer

SPECTRALINEAR [SpectraLinear Inc]

Datasheet

1.SL38000ZC-XXX.pdf (12 pages)

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Key Features

Applications

Block Diagram

Rev 1.1, August 7, 2008

2200 Laurelwood Road, Santa Clara, CA 95054 Tel: (408) 855-0555 Fax: (408) 855-0550 www.SpectraLinear.com

CLKOUT-8, SDATA or

CLKOUT-9, SCLK or

XIN/CLKIN

• 4 Programmable PLLs with up to 9 Clock Outputs

• Wide 2.5V to 3.3V +/-10% power supply range

• CLKOUTs support 3.3V to 2.5V or 1.8V +/-10%

• Low power dissipation and low jitter

• Programmable VCXO and SSCG options

• EEPROM or I2C Programmability

• Programmable Center or Down Spread Modulation

• 8 to 48 MHz external crystal range

• 8 to 166 MHz external clock input range

• Programmable 1 to 200 MHz clock output range

• Integrated internal voltage regulator

• Programmable PD#/OE/SSON#/FS functions

• Programmable CL at XIN and XOUT pins

• Programmable output rise and fall times

• 28-pin TSSOP package with commercial and

• Printers, MFPs, Digital Copiers

• DTV, HDTV, DVD-R/W and STB

• General Purpose Frequency Synthesising

XOUT

VDDA

VSSA

VDDX

VSSX

MF-11

and 2 REFCLKs

from 0.25 to 5.0%

industrial temperature ranges

MF-10

VIN

(Optional)

Regulator-1

Regulator-2

Voltage

Voltage

OSCILLATOR

(XO or VXCO)

XTAL

I2C Interface

Input Logic

Programmable 4-PLL CG with VCXO and SSCG

and Core

To PLLs

To XO

Configuration

SS-PLL-3

SS-PLL-4

SS Logic

MEMORY

Control

PLL-1

PLL-2

and Control

Configuration

Input Mux

Description

The SL38000 a fully integrated 4 PLL programmable low

power Clock Generator with SSCG and VCXO functions

used for reducing Electromagnetic Interference (EMI) and

general purpose frequency synthesizing. 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 9 output clock frequencies and 2 REFOUT clocks,

Spread %, output rise and fall times for each clock outputs,

crystal load, modulation frequency and PD#/OE/SSON#/FS

functions can be programmed to meet the needs of wide

range of applications. The SL38000 operates from 2.5V to

3.3V power supply voltage range. The output clocks

(CLKOUTs) can support 3.3 to 2.5V or 1.8V +/-10%. The

product is offered in 28-pin TSSOP package with

commercial and industrial grades.

Benefits

Mux and Div

Logic

Control

• Peak EMI reduction of 8 to 16 dB

• Fast time-to-market

• Cost Reduction

• Reduction of PCB layers

• Eleminates the need for XOs and VCXOs

Logic

5

Drivers Drive

Function I/O

Drivers with

Strength

Control

Output

Output

Multi

VDDO

and

VSSO

MF-8 or MF13

SL38000

CLKOUT-1 or MF-1

CLKOUT-2 or MF-2

CLKOUT-3 or MF-3

CLKOUT-4 or MF-4

CLKOUT-5 or MF-5

CLKOUT-6 or MF-6

CLKOUT-7 or MF-7

REFOUT-1 or MF-9

REFOUT-2 or MF-13

Page 1 of 12

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