74LS190 series datasheets. Manufacturer: Motorola.

74LS190 PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS Datasheet*) SN54LS190 PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS Datasheet*) There are other manufacturers for this components. For more information please check 74LS190 (Hitachi Semiconductor) 74LS190 (Texas Instruments)

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