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74HC08 – Quadruple 2-Input AND Gates
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Manuale dello Z80
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74HC151: High speed CMOS Logic 8-Input Multiplexer
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74HC153: Dual 4-to-1 Multiplexer with Schmitt-Trigger inputs
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74HC138: 3-to-8-line Decoder/Demultiplexer Inverting and Noninverting
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74HC193: 4-Bit Synchronous up/down counters (dual clock with clear)
