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Home > Logic ICs > Encoders, Decoders, Multiplexers & Demultiplexers > National Semiconductor 74HC138 Multiplexers & Demultiplexers 3-to-8 Line Decoder 2-6V PDIP-16

National Semiconductor 74HC138 Multiplexers & Demultiplexers 3-to-8 Line Decoder 2-6V PDIP-16

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Nsc - Nsc 74Hc138 IC, 74HC138, 3 TO 8 LINE DECODER/DEMULTIPLEXER, DIP-16

National Semiconductor 74HC138  Multiplexers & Demultiplexers 3-to-8 Line Decoder 2-6V  PDIP-16

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National Semiconductor 74HC138 IC 74HC138 3 TO 8 LINE DECODER/DEMULTIPLEXER DIP-16

Specifications

The MM74HC138 decoder utilizes advanced silicon-gate CMOS technology and is well suited to memory address decoding or data routing applications. The circuit features high noise immunity and low power consumption usually associated with CMOS circuitry, yet has speeds comparable to low power Schottky TTL logic. The MM74HC138 has 3 binary select inputs (A, B, and C). If the device is enabled, these inputs determine which one of the eight normally HIGH outputs will go LOW. Two active LOW and one active HIGH enables (G1, G2A and G2B) are provided to ease the cascading of decoders. The decoder's outputs can drive 10 low power Schottky TTL equivalent loads, and are functionally and pin equivalent to the 74LS138. All inputs are protected from damage due to static discharge by diodes to VCC and ground.

Features

  • Typical propagation delay: 20 ns
  • Low quiescent current: 80 mA maximum (74HC Series)
  • Low input current: 1 mA maximum
  • Fanout of 10 LS-TTL loads

Manufacturer: Texas Instruments
Product Category: Encoders, Decoders, Multiplexers & Demultiplexers
Brand: Texas Instruments
Product: Decoders / Demultiplexers
Logic Family: HC
Number of Input Lines: 3 Input
Number of Output Lines: 8 Output
Propagation Delay Time: 45 ns
Supply Voltage - Max: 6 V
Supply Voltage - Min: 2 V
Maximum Operating Temperature: + 85 C
Mounting Style: Through Hole
Package / Case: PDIP-16
Packaging: Tube
Logic Type: Decoders/Demultiplexers
Minimum Operating Temperature: - 40 C
Number of Circuits: Single
Operating Temperature Range: - 40 C to + 85 C

Additional Information

74HC138
Click here to Download Datasheet I
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