74138 3-to-8 line Decoder / Demultiplexer IC

Rs. 20.00 Rs. 80.00

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Estimated time to pack : 15 Mins.

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Order can be pickup from our Store Located in Jayadev Vihar Square, Bhubaneswar, Odisha

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Shipping Charge Flat-70/-

Delivery Time:- 2-5 Days (Anywhere in India), 7-10 Days for remote location

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  • Supply Voltage (VCC − 0.5 to + 7.0V DC
  • Input Voltage (VIN) −0.5V to VDD + 0.5V
  • Output Voltage (VOUT) − 0.5 to VCC + 0.5V
  • Clamp Diode Current (IIK, IOK) ± 20 mA
  • DC Output Current, per pin (IOUT) ± 25 mA
  • DC VCC or GND Current, per pin (ICC) ± 50 mA
  • Storage Temperature Range (TSTG) − 65°C to + 150°C
  • Power Dissipation (PD) (Note 4) 600 mW
  • S.O. Package only 500 mW
  • Lead Temperature (TL) (Soldering 10 seconds) 260°C

The 74138 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 74138 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.


  Typical propagation delay: 20 ns 

•  Wide power supply range: 2V–6V 

•  Low quiescent current: 80 µA maximum (74HC Series) 

•  Low input current: 1 µA maximum 

•  Fanout of 10 LS-TTL loads

  • Shipping Time:- Our orders are shipped within 24 Hours. 
  • Delivery Time:- 2-5 Days (Anywhere in India), 7-10 Days for remote location
  • Shipping Partner:- Bluedart, Amazon Shipping, Ekart Logistics, Delhivery & India Post.
  • Replacement:- Damaged During Transit, Missing Parts Or Item Mismatch.
  • Return:- Item mismatch or parts missing etc.
  •  No return/Replacement will apply if the Product has been subject to misuse, static discharge, neglect, accident, modification, or has been soldered or altered in any way.
  • We accept no responsibility for improper installation of our products. Electrical polarity must be properly observed in hooking up electrical components.
74138 3-to-8 line Decoder / Demultiplexer IC
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