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HD74LS669 Datasheet, Features, Application

HD74LS669 Synchronous Up/Down 4-bit Binary Counters

19.20 20.00 Max 16 9 1 1.3 1.11 Max 8 6.30 7.4.

Renesas
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HD74LS669 - Synchronous Up / Down 4-bit Binary Counter

Hitachi Semiconductor
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HD74LS669 - Synchronous Up/Down 4-bit Binary Counters

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