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NTE74LS139 IC TTL Dual 2−to-4−Line Decoder/Demultiplexer

Model:

NTE74LS139

 | Catalog #: 55051061
Price:
$2.02
$2.02
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  • 3 enable inputs to simplify cascading and/or data reception
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  • Supply voltage VCC: 7V
  • DC input voltage VIN: 7V
  • Operating temperature range TA: 0°C to +70°C
  • Storage temperature range Tstg: -65°C to +150°C

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  • Guaranteed Operating Ranges:
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  • Maximum output current, high, IOH: −0.4mA
  • Maximum output current, low, IOL: 8mA
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  • Supply voltage VCC: 7V
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Product Summary

The NTE74LS139 is a dual two−line to four−line decoder/multiplexer in a 16−Lead plastic DIP-type package designed to be used in high−performance memory decoding or stat−routing applications requiring very short propagation delay times. In high−performance memory systems this device can be used to minimize the effects of system decoding. When employed with high−speed memories utilizing a fast enable circuit the delay times of the decoder and the memory are usually less than the typical access time of the memory. This means that the effective system delay introduced by the Schottky− clamped system decoder is negligible. The circuit comprises two individual two−line to four−line decoders in a single package. The active−low enable input can be used as a data line in demultiplexing applications. The NTE74LS139 features fully buffered inputs, each of which represents only one normalized load to its driving circuit. All inputs are clamped with high−performance Schottky diodes to suppress line ringing and to simplify system design.

  • Designed specifically for high−speed memory decoders and data transmission systems
  • 2 fully independent 2−line to 4−line decoders/demultiplexers
  • Schottky clamped for high performance
  • Absolute maximum ratings:
    VCC: 7V
  • DC input voltage, VIN: 7V
  • Operating temperature range, TA: 0°C to +70°C
  • Storage temperature range, Tstg: −65°C to +150°C
  • Unless otherwise specified, all voltages are referenced to GND
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