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SN74ABT16646 bảng dữ liệu(PDF) 2 Page - Texas Instruments |
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SN74ABT16646 bảng dữ liệu(HTML) 2 Page - Texas Instruments |
2 / 17 page SN54ABT16646, SN74ABT16646 16-BIT BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS SCBS212D – JUNE 1992 – REVISED JULY 1999 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 description (continued) The SN54ABT16646 is characterized for operation over the full military temperature range of –55 °C to 125°C. The SN74ABT16646 is characterized for operation from –40 °C to 85°C. 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 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 bus † The data-output functions can be enabled or disabled by various signals at OE or 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. |
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Mô tả tương tự - SN74ABT16646 |
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