DIFFERENTIAL -TO-LVPECL/ECL MULTIPLEXER
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PRELIMINARY
Integrated Circuit Systems, Inc.
ICS85354
DUAL 2:1/1:2 DIFFERENTIAL -TO-LVPECL/ECL MU...
Description
www.DataSheet4U.com
PRELIMINARY
Integrated Circuit Systems, Inc.
ICS85354
DUAL 2:1/1:2 DIFFERENTIAL -TO-LVPECL/ECL MULTIPLEXER
FEATURES
Dual 2:1/1:2 MUX 3 LVPECL outputs 3 differential clock inputs CLKx pair can accept the following differential input levels: LVPECL, LVDS, CML Maximum output frequency: 3GHz Part-to-part skew: 85ps (typical) Additive jitter, RMS: 0.03ps (typical) Propagation delay: 330ps (typical) LVPECL mode operating voltage supply range: VCC = 2.375V to 3.465V, VEE = 0V ECL mode operating voltage supply range: VCC = 0V, VEE = -3.465V to -2.375V -40°C to 85°C ambient operating temperature
GENERAL DESCRIPTION
The ICS85354 is a 2:1/1:2 Multiplexer and a member of the HiPerClockSTM family of high perforHiPerClockS™ mance clock solutions from ICS. The 2:1 Multiplexer allows one of 2 inputs to be selected onto one output pin and the 1:2 MUX switches one input to one of two outputs. This device may be useful for multiplexing multirate Ethernet Phys which have 100Mbit and 1000Mbit transmit/ receive pairs onto an optical SFP module which has a single trasmit/receive pair. Please refer to the Application Block diagram on page 2 of the data sheet.
ICS
The ICS85354 is optimized for applications requiring very high performance and has a maximum operating frequency in excess of 2GHz. The device is packaged in a small, 3mm x 3mm VFQFN package, making it ideal for use on space-constrained boards.
BLOCK DIAGRAM
CLK_SELA
PIN ASSIGNMENT
CLK_SELA ...
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