SN74LS669 series datasheets. Manufacturer: ON Semiconductor.

SN74LS669N SYNCHRONOUS 4-BIT UP/DOWN COUNTER in 16-pin PDIP package. Datasheet*) 74LS SYNCHRONOUS 4-BIT UP/DOWN COUNTER Datasheet*) SN54-74LS669 SYNCHRONOUS 4-BIT UP/DOWN COUNTER Datasheet*) SN74LS669D SYNCHRONOUS 4-BIT UP/DOWN COUNTER Datasheet*) There are other manufacturers for this components. For more information please check SN74LS669 (Motorola) SN74LS669 (Texas Instruments)

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