54F190 series datasheets. Manufacturer: National Semiconductor.

54F190DMQB Up/Down Decade Counter with Preset and Ripple Clock in 16-pin Cerdip package. Datasheet*) 54F190 Up/Down Decade Counter with Preset and Ripple Clock Datasheet*) 54F190DM Up/Down Decade Counter with Preset and Ripple Clock Datasheet*) 54F190FM Up/Down Decade Counter with Preset and Ripple Clock Datasheet*) 54F190LM Up/Down Decade Counter with Preset and Ripple Clock Datasheet*) 74F190 Up/Down Decade Counter with Preset and Ripple Clock Datasheet*)

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