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Texas Instruments SN74HCS240/SN74HCS240-Q1 Buffers & Drivers

Texas Instruments SN74HCS240/SN74HCS240-Q1 Octal Buffers and Line Drivers contain eight independent inverting line drivers with 3-state outputs and Schmitt-trigger inputs. Each channel performs the Boolean function Y = A in positive logic. The channels are grouped in sets of four, with one OE pin controlling each set. The outputs of the Texas Instruments SN74HCS240 can be put into a hi-Z state by applying a high on the associated OE pin.

Features

  • 2V to 6V wide operating voltage range
  • Schmitt-trigger inputs allow for slow or noisy input signals
  • ±7.8mA output drive at 6V
  • –40°C to +125°C, TA extended ambient temperature range
  • Low power consumption
    • Typical ICC of 100nA
    • Typical input leakage current of ±100nA

Applications

  • Enable or disable a digital signal
  • Eliminate slow or noisy input signals
  • Hold a signal during controller reset
  • Debounce a switch

Functional Block Diagram

Block Diagram - Texas Instruments SN74HCS240/SN74HCS240-Q1 Buffers & Drivers

Texas Instruments SN74HCS240/SN74HCS240-Q1 Buffers & Drivers