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Micrel, Inc.
3.3V DUAL DIFFERENTIAL LVPECL-TO-LVTTL TRANSLATOR
Precision Edge®
Precision ESdYg89e3®23L
SY89323L
FEATURES
■ 3.3V power supply ■ 1.9ns typical propagation delay ■ Maximum frequency > 275MHz ■ Differential LVPECL inputs ■ 24mA LVTTL outputs ■ Flow-through pinouts ■ Internal input resistors: pull-down on IN, pull-down
and pull-up on /IN ■ Q output will default LOW with inputs open ■ Available in ultra-small 8-pin MLF® (2mm × 2mm)
package
BLOCK DIAGRAM
Precision Edge®
DESCRIPTION
The SY89323L is a dual differential LVPECL-to-LVTTL translator. Because LVPECL (Low Voltage Positive ECL) levels are used, only +3.3V and ground are required. The SY89323L is functionally equivalent to the SY100EPT23L, but in an ultra-small 8-pin MLF® package that features a 70% smaller footprint.