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54ACT16646WD 数据表(PDF) 3 Page - Texas Instruments |
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54ACT16646WD 数据表(HTML) 3 Page - Texas Instruments |
3 / 14 page 54ACT16646, 74ACT16646 16-BIT BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS SCAS127B – MARCH 1990 – REVISED APRIL 1996 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 FUNCTION TABLE INPUTS DATA I/O† OPERATION OR FUNCTION OE DIR CLKAB CLKBA SAB SBA A1–A8 B1–B8 OPERATION OR FUNCTION X X ↑ X X X Input Unspecified Store A, B unspecified{ X XX ↑ X X Unspecified Input Store B, A unspecified{ H X ↑ ↑ X X Input Input Store A and B data H X H or L H or L X X Input Input Isolation, hold storage L L X X X L Output Input Real-time B data to A bus L L X H or L X H Output Input Stored B data to A bus L H X X L X Input Output Real-time A data to B Bus L H H or L X H X Input Output Stored A data to bus † The data-output functions may be enabled or disabled by various signals at OE or DIR. Data-input functions are always enabled, i.e., data at the bus terminals is stored on every low-to-high transition of the clock inputs. |
类似零件编号 - 54ACT16646WD |
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类似说明 - 54ACT16646WD |
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