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SN74ABT245BPWLE データシート(PDF) 3 Page - Texas Instruments |
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SN74ABT245BPWLE データシート(HTML) 3 Page - Texas Instruments |
3 / 27 page SN54ABT245A, SN74ABT245B OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS081L − JANUARY 1991 − REVISED APRIL 2005 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 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: SN54ABT245A 96 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74ABT245B 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 70 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 2): DGV package 92 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 2): DW package 58 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 2): GQN/ZQN package 78 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 2): N package 69 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 2): NS package 60 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 2): PW package 83 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 3): RGY package 37 °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. 3. The package thermal impedance is calculated in accordance with JESD 51-5. recommended operating conditions (see Note 4) SN54ABT245A SN74ABT245B UNIT MIN MAX MIN MAX UNIT VCC Supply voltage 4.5 5.5 4.5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V VI Input voltage 0 VCC 0 VCC V IOH High-level output current −24 −32 mA IOL Low-level output current 48 64 mA Δt/Δv Input transition rise or fall rate 5 5 ns/V Δt/ΔVCC Power-up ramp rate 200 μs/V TA Operating free-air temperature −55 125 −40 85 °C NOTE 4: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. |
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同様の説明 - SN74ABT245BPWLE |
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