Overview
The 74AHC138PW,112 is a high-speed CMOS 3-to-8 line decoder/demultiplexer integrated circuit produced by Nexperia USA Inc. This device is part of the 74AHC series, known for its advanced CMOS technology, which offers low power consumption and high speed operation.
Although the 74AHC138PW,112 is currently listed as obsolete and no longer manufactured, it remains a significant component in various legacy systems and designs. For those still requiring this component, substitutes or available stock from secondary sources may be considered.
Key Specifications
| Parameter | Description | Min | Typ | Max |
|---|---|---|---|---|
| Supply Voltage Range | Vcc | 2.0 V | - | 5.5 V |
| High-level Input Voltage | VIH | 2.1 V | - | 3.85 V |
| Low-level Input Voltage | VIL | - | - | 0.5 V |
| Output Current | Ioh/Iol | -8 mA | - | 8 mA |
| Power Dissipation Capacitance | Cpd | - | 18 pF | - |
| Operating Temperature Range | Ta | -40°C | - | 125°C |
| Package Type | - | 16TSSOP | - | - |
Key Features
- Wide Supply Voltage Range: Operates from 2.0 V to 5.5 V, making it versatile for various applications.
- Low Power Consumption: CMOS technology ensures low power dissipation.
- High Speed Operation: Suitable for high-speed applications with fast switching times.
- Schmitt Trigger Action: All inputs have Schmitt trigger action, which helps in noise immunity.
- Multiple Enable Inputs: Two active LOW enable inputs (E1 and E2) and one active HIGH enable input (E3) allow for flexible control and expansion.
- Parallel Expansion Capability: Can be expanded to create 4-to-16 line and 5-to-32 line versions with minimal additional components.
Applications
- Digital Systems: Used in various digital systems requiring decoding and demultiplexing functions.
- Embedded Systems: Suitable for embedded systems where low power consumption and high speed are critical.
- Automotive Electronics: Although obsolete, it may still be found in some legacy automotive electronic systems.
- Industrial Control Systems: Can be used in industrial control systems for decoding and routing signals.
Q & A
- What is the 74AHC138PW,112?
The 74AHC138PW,112 is a high-speed CMOS 3-to-8 line decoder/demultiplexer integrated circuit.
- Who manufactures the 74AHC138PW,112?
The component is manufactured by Nexperia USA Inc.
- What is the supply voltage range of the 74AHC138PW,112?
The supply voltage range is from 2.0 V to 5.5 V.
- What type of package does the 74AHC138PW,112 come in?
The component comes in a 16TSSOP package.
- Is the 74AHC138PW,112 still in production?
No, the 74AHC138PW,112 is currently listed as obsolete and no longer manufactured.
- What are the key features of the 74AHC138PW,112?
Key features include wide supply voltage range, low power consumption, high speed operation, Schmitt trigger action on inputs, and multiple enable inputs.
- What are some common applications of the 74AHC138PW,112?
Common applications include digital systems, embedded systems, automotive electronics, and industrial control systems.
- How can I expand the decoder/demultiplexer functionality of the 74AHC138PW,112?
The device can be expanded to create 4-to-16 line and 5-to-32 line versions with minimal additional components.
- What is the operating temperature range of the 74AHC138PW,112?
The operating temperature range is from -40°C to 125°C.
- Where can I find substitutes for the 74AHC138PW,112?
Substitutes can be found through distributors like Digi-Key or by consulting the manufacturer's recommendations.
