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DM54ALS390

Part Number	DM54ALS390
Manufacturer	National Semiconductor
Description	Dual 4-Bit Decade Counters
Published	Feb 10, 2014
Detailed Description	DM54ALS390 DM74ALS390 Dual 4-Bit Decade Counters PRELIMINARY April 1987 DM54ALS390 DM74ALS390 Dual 4-Bit Decade Counte...
Datasheet	DM54ALS390 PDF File

Overview

DM54ALS390 DM74ALS390 Dual 4-Bit Decade Counters PRELIMINARY April 1987 DM54ALS390 DM74ALS390 Dual 4-Bit Decade Counters General Description Each of these monolithic counters contains eight masterslave flip-flops and additional gating to implement two independent four bit counters in a single package To use their maximum count length the B input is connected to the QA output The input count pulses are applied to input A and the outputs are as described in the appropriate truth table A symmetrical divide-by-ten count can be obtained by connecting the QD output to the A input and applying the input count to the B input Features Y Y Y Y Y Switching specifications at 50 pF Switching speci...

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DM54ALS390 Dual 4-Bit Decade Counters - National Semiconductor

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