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IC > Linear IC > Comparator > 74ALS521 (DIP)
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74ALS521 (DIP)
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DM74ALS520 • DM74ALS521
8-Bit Comparator

General Description
These comparators perform an ¡°equal to¡± comparison of
two 8-bit words with provision for expansion or external
enabling. The matching of the two 8-bit input plus a logic
LOW on the EN input produces the output A = B on the
DM74ALS520 and DM74ALS521. The DM74ALS520 and
DM74ALS521 have totem pole outputs for wire AND cascading.
Additionally, the DM74ALS520 is provided with B
input pull up termination resistors for analog or switch data.

Features
 Switching specifications at 50 pF
 Switching specifications guaranteed over full temperature
  and VCC range
 Advanced oxide-isolated, ion-implanted Schottky TTL
  process
 Functionally and pin for pin compatible with LS family
  counterpart
 Improved output transient handling capability


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