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CD74HC138E

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High Speed CMOS Logic 3-to-8 Line Decoder/ Demultiplexer Inverting and Non-Inverting,Encoders,Decoders,Multiplexers & Demultiplexers Line Decoder

Manufacturer : TI
Package/Case : PDIP-16
Product Categories : Encoders,Decoders,Multiplexers & Demultiplexers
Datasheet: CD74HC138E Datasheet (PDF)
RoHs Status: Rohs
Marking Code: CD74HC138E
In-stock: 0

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CD74HC138E Product Details

Data sheet acquired from Harris Semiconductor

Description

The ’HC138, ’HC238, ’HCT138, and ’HCT238 are high speed silicon gate CMOS decoders well suited to memory address decoding or data routing applications. Both circuits feature low power consumption usually associated with CMOS circuitry, yet have speeds comparable to low power Schottky TTL logic. Both circuits have three binary select inputs (A0, A1 and A2). If the device is enabled, these inputs determine which one of the eight normally high outputs of the HC/HCT138 series will go low or which of the normally low outputs of the HC/HCT238 series will go high.

Two active low and one active high enables (E1\, E2\, and E3) are provided to ease the cascading of decoders. The decoder’s 8 outputs can drive 10 low power Schottky TTL equivalent loads.

CD74HC138E

Feature

  • Select One Of Eight Data Outputs Active Low for 138, Active High for 238
  • I/O Port or Memory Selector
  • Three Enable Inputs to Simplify Cascading
  • Typical Propagation Delay of 13ns at VCC = 5V, CL = 15pF, TA = 25°C
  • Fanout (Over Temperature Range)
    • Standard Outputs . . . . 10 LSTTL Loads
    • Bus Driver Outputs . . . . 15 LSTTL Loads
  • Wide Operating Temperature Range . . . –55°C to 125°C
  • Balanced Propagation Delay and Transition Times
  • Significant Power Reduction Compared to LSTTL Logic ICs
  • HC Types
    • 2V to 6V Operation
    • High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
  • HCT Types
    • 4.5V to 5.5V Operation
    • Direct LSTTL Input Logic Compatibility, VIL = 0.8V (Max), VIH = 2V (Min)
    • CMOS Input Compatibility, Il1μA at VOL, VOH

Data sheet acquired from Harris Semiconductor

Description

The ’HC138, ’HC238, ’HCT138, and ’HCT238 are high speed silicon gate CMOS decoders well suited to memory address decoding or data routing applications. Both circuits feature low power consumption usually associated with CMOS circuitry, yet have speeds comparable to low power Schottky TTL logic. Both circuits have three binary select inputs (A0, A1 and A2). If the device is enabled, these inputs determine which one of the eight normally high outputs of the HC/HCT138 series will go low or which of the normally low outputs of the HC/HCT238 series will go high.

Two active low and one active high enables (E1\, E2\, and E3) are provided to ease the cascading of decoders. The decoder’s 8 outputs can drive 10 low power Schottky TTL equivalent loads.

CD74HC138E Products

Technical Parameters

  • Product
  • Decoders / Demultiplexers
  • Logic Family
  • HC
  • Number of Lines (Input / Output)
  • 3 / 8
  • Propagation Delay Time
  • 13 ns
  • Supply Voltage Max
  • 6 V
  • Supply Voltage Min
  • 2 V
  • Maximum Operating Temperature
  • + 125 C
  • Mounting Style
  • Through Hole
  • Package / Case
  • PDIP-16
  • Packaging
  • Tube
  • Minimum Operating Temperature
  • - 55 C
  • Number of Input Lines
  • 3
  • Number of Output Lines
  • 8
  • Operating Temperature Range
  • - 55 C to + 125 C
  • Operating Voltage
  • 2 V to 6 V
  • Factory Pack Quantity
  • 25

CD74HC138E Datasheet

CD74HC138E Equivalent Parts

For the CD74HC138E component, you may consider these replacement and alternative parts.

Models Manufacturer Package/Case Description
74HCT138 PHILIPS TSSOP-16 3-to-8 line decoder/demultiplexer; inverting
SN74HC138N TI DIP-16 IC 3-8 LINE DECODER/DEMUX 16-DIP
CD74HCT138E TI PDIP-16 High Speed CMOS Logic 3-to-8 Line Decoder/ Demultiplexer Inverting and Non-Inverting,Encoders,Decoders,Multiplexers & Demultiplexers Line Decoder

CD74HC138E Related Products

Ratings and Reviews (1)

  • 5 / 5
  • 5 Stars 100%
  • 4 Stars 0%
  • 3 Stars 0%
  • 2 Stars 0%
  • 1 Stars 0%
  • **mili***
    2020-03-28

    tutto OK . Venditore preciso e puntuale.

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