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74AVC16646DGGRE4 数据表(PDF) 3 Page - Texas Instruments |
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74AVC16646DGGRE4 数据表(HTML) 3 Page - Texas Instruments |
3 / 18 page www.ti.com SN74AVC16646 16-BIT BUS TRANSCEIVER AND REGISTER WITH 3-STATE OUTPUTS SCES181F – DECEMBER 1998 – REVISED JUNE 2005 FUNCTION TABLE (EACH 8-BIT TRANSCEIVER/REGISTER) INPUTS DATA I/Os OPERATION OR FUNCTION OE DIR CLKAB CLKBA SAB SBA A1-A8 B1-B8 X X ↑ X X X Input Unspecified(1) Store A, B unspecified(1) X X X ↑ X X Unspecified(1) Input Store B, A unspecified(1) H X ↑ ↑ X X Input Input Store A and B data H X H or L H or L X X Input disabled Input disabled 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 B bus (1) The data-output functions may be enabled or disabled by various signals at OE and DIR. Data-input functions always are enabled; i.e., data at the bus terminals is stored on every low-to-high transition of the clock inputs. 3 |
类似零件编号 - 74AVC16646DGGRE4 |
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类似说明 - 74AVC16646DGGRE4 |
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