The 552A-01 produces 8 low-skew copies of the multiple input clock or fundamental, parallel-mode crystal. Unlike other clock drivers, these parts do not require a separate oscillator for the input. Using IDT's patented Phase-Locked Loop (PLL) to multiply the input frequency, it is ideal for generating and distributing multiple high-frequency clocks. This is a single chip used for 3 different applications: 1) 552A-01 (A mode) — an Oscillator mutiplier 2) 552A-01 (B mode) — a Dual 1:4 buffer 3) 552A-01 (C mode) — a 1:8 Oscillator buffer


  • Packaged as 20-pin SSOP (QSOP)
  • Pb-free packaging available
  • Operating voltages of 3.0 V to 5.5 V
  • Industrial temperature available

Product Options

Part Number Part Status Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
Active QSOP 20 I Yes Tube
Active QSOP 20 I Yes Reel

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
552A-01 Datasheet Datasheet PDF 293 KB
Application Notes & White Papers
AN-828 Termination - LVPECL Application Note PDF 322 KB
AN-845 Termination - LVCMOS Application Note PDF 146 KB
AN-844 Termination - AC Coupling Clock Receivers Application Note PDF 170 KB
AN-842 Thermal Considerations in Package Design and Selection Application Note PDF 495 KB
AN-840 Jitter Specifications for Timing Signals Application Note PDF 442 KB
AN-834 Hot-Swap Recommendations Application Note PDF 153 KB
AN-836 Differential Input to Accept Single-ended Levels Application Note PDF 120 KB
AN-835 Differential Input with VCMR being VIH Referenced Application Note PDF 160 KB
AN-827 Application Relevance of Clock Jitter Application Note PDF 1.15 MB
AN-815 Understanding Jitter Units Application Note PDF 565 KB
AN-805 Recommended Ferrite Beads Application Note PDF 121 KB
PCN# : A1808-01 Transfer Assembly Location from Amkor Philippines for select pacakges Product Change Notice PDF 39 KB
PDN# : CQ-18-03 Product Discontinuance Notice Product Discontinuation Notice PDF 218 KB
PCN# : TB1504-01R1 Qty per Reel Standardization for Selective Packages Product Change Notice PDF 95 KB
PCN# : TB1504-01 Qty per Reel Standardization for Selective Packages Product Change Notice PDF 50 KB
PCN# : TB1303-02 Change of Tape & Reel Packing Method for Selective Products Product Change Notice PDF 361 KB
PCN# : A1208-01R1 Gold to Copper Wire Product Change Notice PDF 254 KB
552A-01 3.3V IBIS Model Model - IBIS ZIP 3 KB
552A-01 3.3V IBIS Model Model - IBIS ZIP 3 KB
552A-01 5V IBIS Model Model - IBIS ZIP 3 KB
Clock Distribution Overview 日本語 Overview PDF 217 KB
IDT Clock Generation Overview 日本語 Overview PDF 1.83 MB