[Applied Micro Circuits Corporation]

GENERAL DESCRIPTION
The function of the S3076 clock recovery unit is to derive high speed timing signals for SONET/SDHbased equipment. The S3076 is implemented using AMCC’s proven Phase Locked Loop (PLL) technology. Figure 1 shows a typical network application.

FEATURES
• SiGe BiCMOS technology
• Complies with Bellcore and ITU-T specifications for jitter tolerance, jitter transfer and
   jitter generation
• On-chip high frequency PLL with internal
   loop filter for clock recovery
• Supports clock recovery for:
   OC-48 (2488.32 Mbps) (with FEC)
   Fibre Channel (2125 Mbps) (with FEC)
   OC-24 (1244.16 Mbps) (with FEC)
   Gigabit Ethernet (1250 Mbps) (with FEC)
   Fibre Channel (1062.5 Mbps) (with FEC)
   OC-12 (622.08 Mbps) (with FEC)
   OC-3 (155.52 Mbps) (with FEC) NRZ data
• Selectable reference frequencies
   19.44 MHz or 155.52 MHz
   (or equivalent Fibre Channel/
   Gigabit Ethernet frequencies)
• Lock detect—monitors frequency of
   incoming data
• Low-jitter serial interface
• +3.3 V supply
• Compact 48 pin TQFP TEP package
• Typical power 620 mW
• Available in Die form also