FEATURES

Quad 2:1 mux/1:2 demux

Optimized for dc to 6.5 Gbps NRZ data

Per-lane P/N pair inversion for routing ease

Programmable input equalization

Compensates up to 40 inches of FR4

Loss-of-signal detection

Programmable output pre-emphasis up to 12 dB

Programmable output levels with squelch and disable

Accepts ac-coupled or dc-coupled differential CML inputs

50 Ω on-chip termination

1:2 demux supports unicast or bicast operation

Port-level loopback

Port or single lane switching

1.8 V to 3.3 V flexible core supply

User-settable I/O supply from VCC to 1.2 V

Low power, typically 2.0 W in basic configuration

100-lead LFCSP

−40°C to +85°C operating temperature range

APPLICATIONS

Low cost redundancy switch

SONET OC48/SDH16 and lower data rates

XAUI/GbE/FC/Infiniband over backplane

OIF CEI 6.25 Gbps over backplane

Serial data-level shift

4-/8-/12-lane equalizers or redrivers