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SN74GTLPH16945 Arkusz danych(PDF) 3 Page - Texas Instruments |
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SN74GTLPH16945 Arkusz danych(HTML) 3 Page - Texas Instruments |
3 / 13 page SN74GTLPH16945 16-BIT LVTTL-TO-GTLP BUS TRANSCEIVER SCES292D – OCTOBER 1999 – REVISED NOVEMBER 2001 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 functional description The SN74GTLPH16945 is a medium-drive (50 mA), 16-bit bus transceiver partitioned as two 8-bit segments and is designed for asynchronous communication between data buses. The device transmits data from the A port to the B port or from the B port to the A port, depending on the logic level at the direction-control (DIR) input. OE can be used to disable the device so the buses are effectively isolated. Data polarity is noninverting. For A-to-B data flow, when OE is low and DIR is high, the B outputs take on the logic value of the A inputs. When OE is high, the outputs are in the high-impedance state. The data flow for B to A is similar to that of A to B, except OE and DIR are low. FUNCTION TABLE INPUTS OUTPUT MODE OE DIR OUTPUT MODE H X Z Isolation L L B data to A port True transparent L H A data to B port True transparent logic diagram (positive logic) 1DIR 1OE 1A1 1B1 1 2 48 47 2DIR 2OE 2A1 2B1 24 13 25 36 To Seven Other Channels VREF 31 To Seven Other Channels Pin numbers shown are for the DGG and DGV packages. |
Podobny numer części - SN74GTLPH16945 |
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Podobny opis - SN74GTLPH16945 |
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