전자부품 데이터시트 검색엔진 |
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74ABT16652CMTDX 데이터시트(PDF) 3 Page - Fairchild Semiconductor |
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74ABT16652CMTDX 데이터시트(HTML) 3 Page - Fairchild Semiconductor |
3 / 9 page 3 www.fairchildsemi.com Function Table H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial = LOW to HIGH Clock Transition Note 1: 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. This also applies to data I/O (A and B: 8–15) and #2 control pins. Logic Diagrams Please note that these diagrams are provided only for the understanding of logic operations and should not be used to estimate propagation delays. Inputs Inputs/Outputs (Note 1) Operating Mode OEAB1 OEBA1 CPAB1 CPBA1 SAB1 SBA1 A0 thru A7 B0 thru B7 L H H or L H or L X X Input Input Isolation L H X X Store A and B Data X H H or L X X Input Not Specified Store A, Hold B H H X X Input Output Store A in Both Registers L X H or L X X Not Specified Input Hold A, Store B L L 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 |
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유사한 설명 - 74ABT16652CMTDX |
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