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Description

The ICS854S54I-01 is a 2:1/1:2 Multiplexer. The 2:1 Multiplexer

allows one of two inputs to be selected onto one output pin and the

1:2 MUX switches one input to both outputs. This device may be

useful for multiplexing multi-rate Ethernet PHYs which have 100Mbit

and 1000Mbit transmit/receive pairs onto an optical SFP module

which has a single transmit/receive pair. Another mode allows loop

back testing and allows the output of a PHY transmit pair to be routed

to the PHY input pair. For examples, please refer to the Application

Information section of the data sheet.

The ICS854S54I-01 is optimized for applications requiring very high

performance and has a maximum operating frequency of 2.5GHz.

The device is packaged in a small, 3mm x 3mm VFQFN package,

making it ideal for use on space-constrained boards.

Features

? Dual 2:1, 1:2 MUX

? Three LVDS output pairs

? Three differential clock inputs can accept: LVPECL, LVDS, CML

? Loopback test mode available

? Maximum output frequency: 2.5GHz

? Propagation delay: 600ps (maximum)

? Part-to-part skew: 300ps (maximum)

? Additive phase jitter, RMS: 0.031ps (typical)

? Full 2.5V supply mode

? -40°C to 85°C ambient operating temperature

? Available in lead-free (RoHS 6) package