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SN74ABTH25245DW Scheda tecnica(PDF) 3 Page - Texas Instruments |
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SN74ABTH25245DW Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 8 page SN54ABTH25245, SN74ABTH25245 25- Ω OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS251F – JUNE 1992 – REVISED MAY 1997 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 logic diagram (positive logic) DIR OE A1 B1 To Seven Other Channels 24 1 13 23 Pin numbers shown are for the DW, JT, and NT packages. 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 disabled or power-off state, VO –0.5 V to 5.5 V . . . . . . . . . . . . . . . . Voltage range applied to any output in the high state, VO –0.5 V to VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input clamp current, IIK (VI < 0) –18 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output clamp current, IOK (VO < 0) –50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Current into any output in the low state, IO: SN74ABTH25245 (A port) 376 mA . . . . . . . . . . . . . . . . . . . . . . . . . SN74ABTH25245 (B port) 128 mA . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Note 2): DW package 81 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NT package 67 °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 EIA/JEDEC Std JESD51, except for through-hole packages, which use a trace length of zero. |
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