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GA1087 - 11-Output Configurable Clock Buffer

Description

The core of the GA1087 is a Phase-Locked Loop (PLL) that continuously compares the reference clock (REFCLK) to the feedback clock (FBIN), maintaining a zero frequency difference between the two.

Q8) is always connected to FBIN, the PLL keeps the propagation delay

Features

  • Wide frequency range: 24 MHz to 105 MHz.
  • Output configurations: five outputs at fREF five outputs at fREF /2 or six outputs at 2x fREF four outputs at fREF.
  • Low output-to-output skew: 150 ps (max) within a group SYSTEM TIMING.

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Datasheet preview – GA1087

Datasheet Details

Part number GA1087
Manufacturer TriQuint Semiconductor
File Size 196.71 KB
Description 11-Output Configurable Clock Buffer
Datasheet download datasheet GA1087 Datasheet
Additional preview pages of the GA1087 datasheet.

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Full PDF Text Transcription

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T R I Q U I N T S E M I C O N D U C T O R, I N C . GA1087 FBIN GND REFCLK GND 11 10 9 8 F1 7 F0 6 GND 5 TEST 12 VDD 13 Phase Detector VCO 4 VDD 3 2 Q10 Q9 11-Output Configurable Clock Buffer Features • Wide frequency range: 24 MHz to 105 MHz • Output configurations: five outputs at fREF five outputs at fREF /2 or six outputs at 2x fREF four outputs at fREF • Low output-to-output skew: 150 ps (max) within a group SYSTEM TIMING PRODUCTS Q0 14 GND 15 Q1 Q2 16 17 MUX Divide Logic ÷4, ÷5, or ÷6 Output Buffers Group B Group A 1 GND 28 27 Q8 Q7 VDD 18 26 VDD 19 20 21 22 23 24 25 GND Q3 Q4 VDD Q5 Q6 GND TriQuint’s GA1087 is a configurable clock buffer which generates 11 outputs, operating over a wide range of frequencies — from 24 MHz to 105 MHz.
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