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74LCX652MTC データシート(PDF) 2 Page - Fairchild Semiconductor |
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74LCX652MTC データシート(HTML) 2 Page - Fairchild Semiconductor |
2 / 10 page www.fairchildsemi.com 2 Logic Symbols IEEE/IEC Truth Table (Note 2) H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial = LOW-to-HIGH Clock Transition Note 2: The data output functions may be enabled or disabled by various signals at OEAB or OEBA inputs. Data input functions are always enabled, i.e., data at the bus pins will be stored on every LOW-to-HIGH transition on the clock inputs. Inputs Inputs/Outputs Operating Mode OEAB OEBA CPAB CPBA SAB SBA A0 thru A7 B0 thru B7 L H H or L H or L X X Input Input Isolation LH X X Store A and B Data XH H or L X X Input Not Specified Store A, Hold B HH X X Input Output Store A in Both Registers LX H or L X X Not Specified Input Hold A, Store B LL X X Output Input Store B in Both Registers L L X X X L Output Input Real-Time B Data to A Bus L L X H or L X H Store B Data to A Bus H H X X L X Input Output Real-Time A Data to B Bus H H H or L X H X Stored A Data to B Bus H L H or L H or L H H Output Output Stored A Data to B Bus and Stored B Data to A Bus |
同様の部品番号 - 74LCX652MTC |
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同様の説明 - 74LCX652MTC |
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