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SN54HC139 - Dual 2-Line To 4-Line Decoders/Demultiplexers

Description

The SNx4HC139 contains two two-to-four decoders with one active low output strobe G.

When the outputs of one channel are gated by the strobe input, they are all forced into the high state.

Features

  • Targeted specifically for high-speed memory decoders and data-transmission systems.
  • Wide operating voltage range of 2 V to 6 V.
  • Outputs can drive up to 10 LSTTL loads.
  • Low power consumption, 80-μA max ICC.
  • Typical tpd = 10 ns.
  • ±4-mA output drive at 5 V.
  • Low input current of 1 μA max.
  • Incorporate two enable inputs to simplify cascading and/or data reception xA0 xA1 2.

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Full PDF Text Transcription

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SN54HC139, SN74HC139 SCLS108E – DECEMBER 1982 – REVISED FEBRUARY 2022 SNx4HC139 Dual 2-Line To 4-Line Decoders/Demultiplexers 1 Features • Targeted specifically for high-speed memory decoders and data-transmission systems • Wide operating voltage range of 2 V to 6 V • Outputs can drive up to 10 LSTTL loads • Low power consumption, 80-μA max ICC • Typical tpd = 10 ns • ±4-mA output drive at 5 V • Low input current of 1 μA max • Incorporate two enable inputs to simplify cascading and/or data reception xA0 xA1 2 Description The SNx4HC139 contains two two-to-four decoders with one active low output strobe G. When the outputs of one channel are gated by the strobe input, they are all forced into the high state.
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