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DM74ALS521

Part Number	DM74ALS521
Manufacturer	Fairchild Semiconductor
Description	8-Bit Comparator
Published	Apr 1, 2005
Detailed Description	DM74ALS520 • DM74ALS521 8-Bit Comparator September 1986 Revised April 2000 DM74ALS520 • DM74ALS521 8-Bit Comparator Ge...
Datasheet	DM74ALS521 PDF File

Overview

DM74ALS520 • DM74ALS521 8-Bit Comparator September 1986 Revised April 2000 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 s Switching specifications at 50 pF s Switching specifications guaranteed over full temperature and VCC range s A...

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