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SN74LVT245BPW Datasheet(PDF) 3 Page - Texas Instruments |
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SN74LVT245BPW Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 19 page  SN74LVT245B 3.3-V ABT OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS SCES004H − JANUARY 1995 − REVISED SEPTEMBER 2003 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 4.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range, VI (see Note 1) −0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Voltage range applied to any output in the high-impedance or power-off state, VO (see Note 1) −0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Voltage range applied to any output in the high state, VO (see Note 1) −0.5 V to VCC + 0.5 V . . . . . . . . . . . . . Current into any output in the low state, IO 128 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Current into any output in the high state, IO (see Note 2) 64 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input clamp current, IIK (VI < 0) −50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output clamp current, IOK (VO < 0) −50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Note 3): DB package 70 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 3): DW package 58 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 3): GQN/ZQN package 78 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 3): NS package 60 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 3): PW package 83 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 4): 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. This current flows only when the output is in the high state and VO > VCC. 3. The package thermal impedance is calculated in accordance with JESD 51-7. 4. The package thermal impedance is calculated in accordance with JESD 51-5. recommended operating conditions (see Note 5) MIN MAX UNIT VCC Supply voltage 2.7 3.6 V VIH High-level input voltage 2 V VIL Low-level input voltage 0.8 V VI Input voltage 5.5 V IOH High-level output current −32 mA IOL Low-level output current 64 mA Δt/Δv Input transition rise or fall rate Outputs enabled 10 ns/V Δt/ΔVCC Power-up ramp rate 200 μs/V TA Operating free-air temperature −40 85 °C NOTE 5: 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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