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Logic ICs
Logic IC - Counter Binary counter 74LS Positive slope 25 MHz SOIC 16 N
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SN54190, SN54191, SN74190, SN74191
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL
SDLS072 – DECEMBER 1972 – REVISED MARCH 1988
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POST OFFICE BOX 655303
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DALLAS, TEXAS 75265
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