MM74HCT138MX – 3-8 Line Decoder SMD SOIC-16 – ON Semiconductor


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SKU: 1090371
  1. Product: 3-8 Line Decoder IC
  2. IC Name: MM74HCT138MX
  3. Package/Case: SMD-16


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Category: Logic Gate ICs

The MM74HCT138 decoder utilizes advanced silicon-gate CMOS technology and is well suited to memory address decoding or data routing applications. Both circuits feature high noise immunity and low power consumption usually associated with CMOS circuitry, yet have speeds comparable to low-power Schottky TTL logic. The MM74HCT138 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 enable (G1, G2A, and G2B) are provided to ease the cascading decoders. The decoders’ output 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.MM74HCT devices are intended to interface between TTL and NMOS components and standard CMOS devices. These parts are also plug-in replacements for LS-TTL devices and can be used to reduce power consumption in existing designs.


  1. Product Images are shown for illustrative purposes only and may differ from the actual product.
  2. For Technical Specifications about the IC go through the Datasheet in the Attachment section.


  1. Brand: ON Semiconductor
  2. Case/Package: SOIC
  3. Mount: Surface Mount
  4. Logic Function: Decoder
  5. Number of Pins: 16
  6. Max Operating Temperature: 85 C
  7. Max Supply Voltage: 5.5 V
  8. Min Operating Temperature: -40 C
  9. Min Supply Voltage: 4.5 V
  10. RoHS: Compliant

Package Includes:

1 x MM74HCT138MX – 3-8 Line Decoder IC SMD-16 Package

SKU: 1090371 Category:
Shipping Weight 0.001 kg
Shipping Dimensions 4 × 4 × 1 cm

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Country Of Origin: China