Each of these monolithic counters contains four masterslave flip-flops and additional gating to provide a divide-bytwo counter and a three-stage binary counter for which the count cycle length is divide-by-five for the DM74LS90. All of these counters have a gated zero reset and the DM74LS90 also has gated set-to-nine inputs for use in BCD nine’s complement applications. This product is known as SN74LS90NE4, SN74LS90DR, SN74LS90N, SN74LS90DE4, SN74LS90D, 7490, 74LS90, 74LS90 Decade Counter IC, 74LS90 or 7490 IC-Decade Counter.
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Product Specifications Gate Type: NOR Gate Number of Gates count in one IC: 4 Gates Inputs Number per Gate: 2
Gate Type: NOT Gate Number of Gates count in one IC: 6 Gates Inputs Number per Gate: 1 IC Type:
Product Specifications Gate Type: AND Gate IC Number of Gates count in one IC: 4 Gates Inputs Number per Gate:
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