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Video Clock Synthesizer

The IDT1527 is a low-cost, high-performance frequency generator. It is suited to general purpose phase controlled clock synthesis as well as line locked and genlocked high-resolution video applications. Using IDT’s advanced low-voltage CMOS mixed-mode technology, the IDT1527 is an effective clock synthesizer that supports video projectors and displays at resolutions from VGA to beyond XGA. The IDT1527 offers single-ended clock outputs to 60 or 110 MHz. The HSYNC_out, and VSYNC_out pins provide the regenerated versions of the HSYNC and VSYNC inputs synchronous to the CLK output. The advanced PLL uses either its internal programmable feedback divider or an external divider. The device is programmed by a standard I2C-bus™ serial interface and is available in a TSSOP16 package.


  • Lead-free packaging (Pb-free)
  • Low jitter (typical 27 ps short term jitter)
  • LVCMOS single-ended clock outputs
  • 60/110 MHz speed grades available
  • Uses 3.3 V power supply
  • 5 Volt tolerant Inputs (HSYNCVSYNC)
  • Coast (ignore HSYNC) capability via VSYNC pin
  • Industry standard I2C-bus programming interface
  • PLL Lock detection via I2C or LOCK output pin
  • 16-pin TSSOP package

  • ApplicationsFrequency synthesis
  • LCD monitors, video projectors and plasma displays
  • Genlocking multiple video subsystems

Product Specification

Core Voltage (V)Input Freq (MHz)Output Freq Range (MHz)
3.30.008000 - 10.000000, 0.000030 - 0.0001202.500000 - 110.000000

Product Options

Orderable Part IDPart StatusPkg. CodePkg. TypeLead Count (#)Temp. GradePb (Lead) FreeCarrier TypeSample & Buy
1527G-110LFObsoletePGG16TSSOP16CYesTubeCheck Availability
1527G-110LFTObsoletePGG16TSSOP16CYesReelCheck Availability


Technical Documentation

Title Type Format File Size Datesort icon
PCN# : A1403-03 Gold wire to Copper wire Product Change Notice PDF 42 KB Oct 15, 2014