NOT RECOMMENDED FOR NEW DESIGNS SY100EL51 DESCRIPTION FEATURES
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SY100EL51
SY10EL51 DIFFERENTIAL
CLOCK D FLIP-FLOP Micrel, Inc. 475ps propagation delay
2.8GHz toggle frequency
Internal 75KΩ input pull-down resistors
Available in 8-pin SOIC package The SY10/100EL51 are differential clock D flip-flops
with reset. These devices are functionally similar to the
E151 devices, with higher performance capabilities. With
propagation delays and output transition times
significantly faster than the E151, the EL51 is ideally
suited for those applications which require the ultimate
in AC performance.
The reset input is an asynchronous, level triggered
signal. Data enters the master portion of the flip-flop
when the clock is LOW and is transferred to the slave,
and thus the outputs, upon a positive transition of the
clock. The differential clock inputs of the EL51 allow the
device to be used as a negative edge triggered flip-flop. …
