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  • SN74HC139PW
TI

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SN74HC139PW

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Encoders,Decoders,Multiplexers & Demultiplexers Dual 2 to 4-Line Decdr/Demltplxer

  • Package/Case :
  • TSSOP-16
  • Product Categories :
  • Encoders,Decoders,Multiplexers & Demultiplexers
  • RoHs Status:
  • Rohs
  • Marking Code:
  • HC139
  • In-stock:
  • 203

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SN74HC139PW Product Details

The ’HC139 devices are 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 ’HC139 devices comprise two individual 2-line to 4-line decoders in a single package. The active-low enable (G\) input can be used as a data line in demultiplexing applications. These decoders/demultiplexers feature fully buffered inputs, each of which represents only one normalized load to its driving circuit.

SN74HC139PW

Feature

  • 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
Description

The ’HC139 devices are 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 ’HC139 devices comprise two individual 2-line to 4-line decoders in a single package. The active-low enable (G\) input can be used as a data line in demultiplexing applications. These decoders/demultiplexers feature fully buffered inputs, each of which represents only one normalized load to its driving circuit.

Technical Parameters

  • Product
  • Decoders / Demultiplexers
  • Logic Family
  • HC
  • Number of Lines (Input / Output)
  • 2 / 4
  • Supply Voltage Max
  • 6 V
  • Supply Voltage Min
  • 2 V
  • Maximum Operating Temperature
  • + 85 C
  • Mounting Style
  • SMD/SMT
  • Package / Case
  • TSSOP-16
  • Packaging
  • Tube
  • Minimum Operating Temperature
  • - 40 C
  • Number of Input Lines
  • 2
  • Number of Output Lines
  • 4
  • Operating Temperature Range
  • - 40 C to + 85 C
  • Operating Voltage
  • 2 V to 6 V
  • Factory Pack Quantity
  • 90

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Texas Instruments, Inc

TI
Texas Instruments Incorporated designs and manufactures analog technologies, digital signal processing (DSP) and microcontroller (MCU) semiconductors. TI is a leader in semiconductor solutions for analog and digital embedded and applications processing....
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