BCM8157

Multirate Low-Power 10-GbE XFI to SFI-4.1 Transceiver (8.5-Gb/s to 11.35-Gb/s)

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Fully integrated MSA-compatible multirate SONET/SDH/10-GbE/Fibre-Channel/FEC transceiver operating at 8.5 Gb/s, 9.15 Gb/s, 9.953 Gb/s, 10.3125 Gb/s, 10.519 Gb/s, 10.664 Gb/s, 10.709 Gb/s, 11.095 Gb/s, 11.318 Gb/s or 11.352 Gb/s.
 
On-chip clock synthesis is performed by the high-frequency, low-jitter PLL, allowing the use of a low-frequency reference clock selectable to the line rate divided by either 16 or 64. The 10G TX clock phase is adjustable for clocked driver applications. An on-chip phase detector and charge pump plus external VCXO implement a cleanup PLL. The cleanup PLL can be used to attenuate jitter on the CDR recovered clock for loop timing applications or to provide a low-jitter reference clock from a noisy system clock. Any SONET timing mode may be configured with the new BCM8157 timing architecture, making the timing mode and cleanup functions user-selectable in the field rather than during manufacturing, therefore simplifying engineering and manufacturing requirements.
 

Features

  • Fully integrated multirate CDR, DEMUX, MUX, CMU
  • SONET-compliant serial interface
  • Compliant to OIF, Telcordia®, ITU-T, XFI specification and IEEE 802.3ae standards
  • Fault isolation with loopbacks, pattern generator and checker
     

Lifecycle Status

Active

Specification Value
Lifecycle Active
Distrib. Inventory No
Samples Available No

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