Quad-channel multi-protocol retimer with
integrated signal conditioning
All channels lock independently to both PAM4 and NRZ data rates from 19.6 to 28.9 GBd (including div-by-2 and div-by-4 sub-rates)
Suitable for up to CEI-56G, Ethernet™ (400 GbE), fibre channel (64GFC), InfiniBand™ (HDR), and
CPRI/eCPRI PCB, copper cable, and optical applications
Automatic lane rate switching for CDR lock up to
five different combinations of baud rates and modulation types
Low latency: <2000 ps (typical) at 26.5625
GBd
Continuously adaptive time linear equalizer
(CTLE), RX feed-forward equalizer (FFE), and decision feedback equalizer (DFE)
to support 30+ dB channel loss at 13.28 GHz
Integrated 2×2 crosspoint
Adjustable 4-tap TX FFE filter
Gearbox mode support (NRZ/PAM4 bit mux/de-mux,
NRZ/PAM4 serializer/deserializer)
On-chip eye opening monitor (EOM), PRBS generator, and PRBS checker for debug
Dual 1.8-V and 1.2-V supplies
–40°C to +85°C operating temperature range
7.65 mm × 7.65 mm BGA package with integrated AC coupling
capacitors