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SN74ABT162245DLR Datenblatt(PDF) 2 Page - Texas Instruments |
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SN74ABT162245DLR Datenblatt(HTML) 2 Page - Texas Instruments |
2 / 11 page SN54ABT162245, SN74ABT162245 16BIT BUS TRANSCEIVERS WITH 3STATE OUTPUTS SCBS239F − MARCH 1993 − REVISED JUNE 2004 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 description/ordering information (continued) To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. FUNCTION TABLE (each 8-bit section) INPUTS OPERATION OE DIR OPERATION L L B data to A bus L H A data to B bus H X Isolation logic diagram (positive logic) To Seven Other Channels 1DIR 1A1 1B1 1OE To Seven Other Channels 2DIR 2A1 2B1 2OE 1 47 24 36 48 2 25 13 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC −0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range, VI (except I/O ports) (see Note 1) −0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Voltage range applied to any output in the high or power-off state, VO −0.5 V to 5.5 V . . . . . . . . . . . . . . . . . . . Current into any output in the low state, IO: SN54ABT162245 (B port) 96 mA . . . . . . . . . . . . . . . . . . . . . . . . . . SN74ABT162245 (B port) 128 mA . . . . . . . . . . . . . . . . . . . . . . . . . SN54/74ABT162245 (A port) 30 mA . . . . . . . . . . . . . . . . . . . . . . . Input clamp current, IIK (VI < 0) −18 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output clamp current, IOK (VO < 0) −50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Note 2): DGG package 70 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DL package 63 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg −65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed. 2. The package thermal impedance is calculated in accordance with JESD 51−7. |
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