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Micrel, Inc.
5V/3.3V TRIPLE ECL/LVECL-TOPECL/LVPECL TRANSLATOR
SY100EL90V
SY100EL90V
FEATURES
s 3.3V and 5V power supply options s 500ps propagation delay s Fully differential design s Supports both standard and low voltage operation s Available in 20-pin SOIC package
DESCRIPTION
The SY100EL90V is a triple ECL/LVECL-to-PECL/ LVPECL translator. The device can translate over all combinations of supply voltages: -5V ECL to 5V PECL, -5V ECL to 3.3V LVPECL, -3.3V LVECL to 5V PECL or -3.3V LVECL to 3.3V LVPECL.
A VBB output is provided for interfacing with single ended ECL signals at the input. If a single ended input is to be used, the VBB output should be connected to the D input. The active signal would then drive the D input. When used, the VBB output should be bypassed to via a 0.