Skip to main content
Renesas Electronics Corporation

Renesas’ Timing product portfolio has been acquired by SiTime.

Datasheets, documentation, and sample orders remain available on Renesas.com through late 2026. For new designs, purchasing, support, and product inquiries, visit SiTime.com or send an email to SalesClocks@sitime.com. Full transition to SiTime is expected by late 2026.

Features

  • Extremely low-skew outputs (50 ps maximum)
  • Packaged in 8-pin SOIC
  • Operating voltages of 2.5 to 5.0 V
  • Low-power CMOS technology
  • Industrial temperature range
  • Pb (lead) free package

Description

The 556-04 is a low-skew, crystal input compatible clock buffer with oscillator. This device offers the lowest skew. See the 552-02 for a 1-to-8 low skew buffer. For more than eight outputs see the MK74CBxxx Buffalo™ series of clock drivers. Renesas makes many non-PLL and PLL-based low-skew output devices. Contact us for all of your clocking needs.

Part NumberStatusSamplesStockPackageLead Count (#)Temp. GradePb (Lead) FreeCarrier Type
556M-04ILFObsoleteN/AOut of StockSOIC8#IYesTube
556M-04ILFTObsoleteN/AOut of StockSOIC8#IYesReel
Support Communities

Support Communities

Get quick technical support online from Renesas Engineering Community technical staff.
Browse Articles

Knowledge Base

Browse our knowledge base for helpful articles, FAQs, and other useful resources.
Submit a Ticket

Submit a Ticket

Need to ask a technical question or share confidential information?