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HD74LV245A - Octal Bus Transceivers

Description

The HD74LV245A has eight buffers with three-state outputs in a 20-pin package.

When DIR is high, data is transferred from the A inputs to the B outputs, and when DIR is low, data is transferred from the B inputs to the A outputs.

Features

  • VCC = 2.0 V to 5.5 V operation.
  • All inputs VIH (Max. ) = 5.5 V (@VCC = 0 V to 5.5 V).
  • All outputs VO (Max. ) = 5.5 V (@VCC = 0 V).
  • Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C).
  • Typical VOH undershoot > 2.3 V (@VCC = 3.3 V, Ta = 25°C).
  • Output current ±8 mA (@VCC = 3.0 V to 3.6 V), ±16 mA (@VCC = 4.5 V to 5.5 V) Ordering Information Part Name Package Type P.

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Full PDF Text Transcription

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HD74LV245A Octal Bus Transceivers with 3-state Outputs REJ03D0329–0300Z (Previous ADE-205-247A (Z)) Rev.3.00 Jun. 24, 2004 Description The HD74LV245A has eight buffers with three-state outputs in a 20-pin package. When DIR is high, data is transferred from the A inputs to the B outputs, and when DIR is low, data is transferred from the B inputs to the A outputs. The A and B buses are separated by making the enable input (OE) high level. Low-voltage operation is suitable for battery-powered products (e.g., notebook computers), and the low power consumption extends the battery life. Features • VCC = 2.0 V to 5.5 V operation • All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V) • All outputs VO (Max.) = 5.5 V (@VCC = 0 V) • Typical VOL ground bounce < 0.8 V (@VCC = 3.
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