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5490 | Decade and Binary Counters DM5490 DM7490A DM7493A Decade and Binary Counters
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July 1992
DM5490 DM7490A DM7493A Decade and Binary Counters
General Description
Each of these monolithic counters contains four mastersl |
National Semiconductor |
|
5490A | DECADE COUNTER 54/7490A 54LS/74LS90
DECADE COUNTER
90
CONNECTION DIAGRAM PINOUT A
DESCRIPTION — The ’90 is a 4-stage ripple counter containing a high speed flip-flop acting as a divide-by-two and three flip-flops connec |
ETC |
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