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Standard TTL AND-OR-Invert (AOI) / NOR Gate Structure

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Standard TTL AND-OR-Invert (AOI) / NOR Gate Structure
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The circuit shows the structure of standard TTL AOI Gate. Input clamp diodes were excluded from the circuit. Multiple-emitter input transistors are emulated using Qin2a/Qin2b with base-collector in parallel and Qin3a/Qin3b/Qin3c with base-collector in parallel. If Qin2 and Qin3 are implemented using single-emitter transistors the AND function is lost so the gate simply becomes a NOR Gate.

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Profile image for ekoo

EKOO

1 Circuit

Date Created

3 years, 5 months ago

Last Modified

3 years, 5 months ago

Tags

  • logic gates
  • nor gate
  • ttl
  • aoi gate
  • and-or-invert
  • aoi
  • and-or-invert gate
  • transistor-transistor logic
  • standard ttl
  • nor

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Standard TTL AND-OR-Invert (AOI) / NOR Gate Structure

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