NOT RECOMMENDED FOR NEW DESIGNS
LOW-POWER
HEX TTL-TO-PECL
TRANSLATOR Micrel, Inc. FEATURES
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в– SY100S391 SY100S391 DESCRIPTION
The SY100S391 is a hex TTL-to-PECL translator for
converting TTL logic levels to 100K logic levels. The unique
feature of this translator is the ability to do this translation
using only one +5V supply. The differential outputs allow
each circuit to be used as an inverting/non-inverting translator,
or as a differential line driver. A common enable (E), when
LOW, holds all inverting outputs HIGH and all non-inverting
inputs LOW.
The SY100S391 is ideal for those mixed PECL/TTL
applications which only have a +5V supply available. When
used in the differential mode, the S391, due to its high
common mode rejection, overcomes voltage gradients
between the TTL and PECL ground systems. Operates from a single +5V supply
Differential PECL outputs
Function and pinout compatible with Fairchild F100K …