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Presettable Synchronous 4-Bit Binary Up/Down Counters

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191 Counters

	74F191		5V Presettable Synchronous 4-Bit Binary Up/Down Counter with Reset and Ripple Clock

	74HC191		5V Presettable Synchronous 4-Bit Binary Up/Down Counter

	74HCT191		5V Presettable Synchronous 4-Bit Binary Up/Down Counter; TTL Enabled

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