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SN74HCT139N

Decoder / Demultiplexer, HCT Family, 4 Output, 4 mA, 4.5 V to 5.5 V, DIP-16

TEXAS INSTRUMENTS SN74HCT139N
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Manufacturer Part No:
SN74HCT139N
Order Code:
3119925

Product Overview

The SN74HCT139N is a 2-to-4 dual Decoder/Demultiplexer designed for high-performance memory-decoding or data-routing applications requiring very short propagation delay times. In high-performance memory systems, these decoders can minimize the effects of system decoding. When employed with high-speed memories utilizing a fast enable circuit, the delay time of these decoders and the enable time of the memory usually are less than the typical access time of the memory. This means that the effective system delay introduced by the decoders is negligible. The active-low enable (G\) input can be used as a data line in demultiplexing applications. It features fully buffered inputs, each of which represents only one normalized load to its driving circuit.
  • Outputs can drive up to 10 LSTTL loads
  • Inputs are TTL-voltage compatible
  • Designed specifically for high-speed memory decoders and data transmission systems
  • Incorporate two enable inputs to simplify cascading and/or data reception
  • 10ns Typical tpd
  • 80µA Maximum low power consumption
  • ±4mA Output drive at 5V
  • 1µA Maximum low input current

Applications

Industrial

Product Information

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:
74HCT139

:
Decoder / Demultiplexer

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4Outputs

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DIP

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16Pins

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4.5V

:
5.5V

:
74HCT

:
74139

:
-40°C

:
85°C

:
-

:
-

:
-
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