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PL671-00

PLL
Part Number PL671-00
Manufacturer PLL
Description Programmable Spread Spectrum Clock
Published Jan 1, 2016
Detailed Description PicoEMITM Programmable Spread Spectrum Clock FEATURES  Advanced programmable Spread Spectrum clock generator with 16 m...
Datasheet PDF File PL671-00 PDF File

PL671-00
PL671-00


Overview
PicoEMITM Programmable Spread Spectrum Clock FEATURES  Advanced programmable Spread Spectrum clock generator with 16 modulation steps to choose from  Programmable SST Modulation Magnitude: o Center Spread: ±0.
125% to ±2.
0% in ±0.
125% steps o Down Spread: -0.
25% to -4.
0% in 0.
25% steps  Input Frequency Range: o Fundamental Crystal: 10MHz to 40MHz  Output Frequency Range: o 1MHz to 200MHz @ 3.
3V operation o 1MHz to 166MHz @ 2.
5V operation  Programmable Output Drive (4mA, 8mA, 16mA)  Low Cycle to Cycle jitter, 100pS  Single 2.
5V to 3.
3V, ± 10% power supply  Available in Die form DESCRIPTION The PL671-00 is an advanced programmable Spread Spectrum clock generator (PSSCG), and a member of PhaseLink’s PicoPLL Programmable Clock family.
The PL671-00 clock outputs can be programmed up to 200MHz (3.
3V) or 166MHz (2.
5V), and has 16 modulation magnitudes (±0.
125 to ±2.
0% or -0.
25 to -4.
0%) to choose from for use in Center or Down Spread modulation applications.
In addition, 2 configuration pins can be programmed to allow cycling the device through 4 preprogrammed states*.
The option of being able to turn ‘ON/OFF’ the Spread Spectrum modulation allows for completing a design with PL671-00 and having the assurance of turning ‘ON’ the EMI modulation if EMI becomes an issue*.
The PL671-00’s spread spectrum modulation greatly reduces the fundamental and harmonic frequencies’ peak magnitude, reducing the system level electromagnetic radiation by as much as 20dB.
*Note: Requires 6-pad package PAD CONFIGURATION 0.
80mm XIN XOUT OE^, PDB^, CLK1 CSEL1^ VDD CSEL0^, CLK2 GND CLK0 Note: ^ denotes internal pull up resistor BLOCK DIAGRAM DIE SPECIFICATION Parameter Chip size Chip thickness PAD size Chip base XIN XOUT Xtal FREF Osc Programming Logic Modulation Magnitude* PDB CLK[0:2] CSEL[0:1] SST On/Off * Optional Pre-defined Modulation Magnitude Control R-Counter 9-bits M-Counter 11-bits P-Counter 6-bits Odd/Even /1, /2 ÷8 Phase Detector ÷8 Charge Pump FVCO = FRE...



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