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74HCT138D

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Decoder / Demultiplexer, HCT Family, 1 Gate, 3 Input, 8 Output, 4 mA, 4.5 V to 5.5 V, SOIC-16

Manufacturer : Philips Semiconductors (NXP)
Package/Case : SOIC-16
Product Categories : Encoders,Decoders,Multiplexers & Demultiplexers
Datasheet: 74HCT138D Datasheet (PDF)
RoHs Status: Lead free / RoHS Compliant
In-stock: 3830

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74HCT138D Product Details

The 74HCT138D is a 3-to-8 inverting Decoder/Demultiplexer decodes three binary weighted address inputs (A0, A1 and A2) to eight mutually exclusive outputs (Y0\ to Y7\). The device features three enable inputs (E1\, E2\ and E3). Every output will be high unless E1\ and E2\ are low and E3 is high. This multiple enable function allows easy parallel expansion to a 1-of-32 (5 to 32 lines) decoder with just four 138 series ICs and one inverter. The 138 series can be used as an eight output demultiplexer by using one of the active low enable inputs as the data input and the remaining enable inputs as strobes. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

74HCT138D

Feature

  • Demultiplexing capability
  • Multiple input enable for easy expansion
  • Ideal for memory chip select decoding
  • Active low mutually exclusive outputs
  • TTL Input level
  • Complies with JEDEC standard No. 7A

74HCT138D Products

Technical Parameters

  • Product
  • Decoders / Demultiplexers
  • Logic Family
  • HCT
  • Supply Voltage Max
  • 5.5 V
  • Supply Voltage Min
  • 4.5 V
  • Maximum Operating Temperature
  • + 125 C
  • Mounting Style
  • SMD/SMT
  • Package / Case
  • SOT-109
  • Packaging
  • Tube
  • Minimum Operating Temperature
  • - 40 C
  • Factory Pack Quantity
  • 50
  • Part # Aliases
  • 74HCT138D,652

74HCT138D Equivalent Parts

For the 74HCT138D component, you may consider these replacement and alternative parts.

Models Manufacturer Package/Case Description
CD74HC138E TI PDIP-16 High Speed CMOS Logic 3-to-8 Line Decoder/ Demultiplexer Inverting and Non-Inverting,Encoders,Decoders,Multiplexers & Demultiplexers Line Decoder
SN74HC138N TI DIP-16 IC 3-8 LINE DECODER/DEMUX 16-DIP

74HCT138D Related Products

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Philips Semiconductors (NXP)

Philips
Philips Semiconductor is an independent semiconductor company that changed its name to NXP in September 2006. NXP, formerly Phillips Semiconductor, continues to create semiconductors, system solutions and software that deliver better sensory experiences in mobile phones, personal media players, TVs,...
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