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SN74ABT843DW Datasheet(PDF) 3 Page - Texas Instruments |
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SN74ABT843DW Datasheet(HTML) 3 Page - Texas Instruments |
3 / 17 page SN54ABT843, SN74ABT843 9-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS SCBS197D – FEBRUARY 1991 – REVISED MAY 1997 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 logic diagram (positive logic) Pin numbers shown are for the DB, DW, JT, NT, and W packages. 1D OE PRE 1Q CLR LE To Eight Other Channels 1 14 11 13 2 23 S2 C1 1D R 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 (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: SN54ABT843 96 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74ABT843 128 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input clamp current, IIK (VI < 0) –18 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output clamp current, IOK (VO < 0) –50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Note 2): DB package 104 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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. This is a stress rating only, and functional operation of the device at these or any other conditions beyond those indicated in the “recommended operating conditions” section of this specification 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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