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Micrel, Inc.
3.3V DIFFERENTIAL LVPECL/CML/LVDS-to-LVTTL TRANSLATOR
Precision Edge®
Precision ESdYg89e3®21L
SY89321L
FEATURES
s 3.3V power supply s 1.9ns typical propagation delay s 275MHz fMAX s Differential LVPECL/CML/LVDS inputs s 24mA LVTTL outputs s Flow-through pinouts s Internal input resistors: pulldown on IN, pulldown
and pullup on /IN s Q output will default LOW with inputs open s VBB output s Available in ultra-small 8-pin MLF® (2mm x 2mm)
package
BLOCK DIAGRAM
LVPECL/ IN CML/LVDS /IN
Q LVTTL
Precision Edge®
DESCRIPTION
The SY89321L is a differential LVPECL/CML/LVDSto-LVTTL translator requiring only a single +3.3V power. The SY89321L is functionally equivalent to the SY100EPT21L, but in an ultra-small 8-pin MLF® package that features a 70% smaller footprint.