Overview
The 74HC139PW,112 is a dual 2-to-4 line decoder/demultiplexer integrated circuit produced by Nexperia (formerly NXP USA Inc.). This component is part of the 74HC series, known for its high-speed CMOS logic. The IC is designed to decode two binary weighted inputs into four mutually exclusive outputs, making it versatile for various digital circuit applications.
Although the specific part number 74HC139PW,112 is noted as obsolete in some sources, it remains relevant for legacy systems and educational purposes. The device operates with a single power supply and is available in a 16-pin TSSOP package.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Nexperia (formerly NXP USA Inc.) |
| Package Type | 16-TSSOP |
| Voltage Supply | 2 V ~ 6 V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Independent Circuits | 2 |
| Circuit Type | 1 x 2:4 Decoder/Demultiplexer |
| Output Current (High/Low) | 5.2mA / 5.2mA |
Key Features
- Dual 2-to-4 line decoder/demultiplexer functionality, allowing for the decoding of two binary weighted inputs into four mutually exclusive outputs.
- High-speed CMOS logic with low power consumption.
- Single power supply operation (2 V ~ 6 V).
- Wide operating temperature range (-40°C ~ 125°C).
- Surface mount 16-TSSOP package for compact and efficient board design.
- High output current capability (5.2mA for both high and low outputs).
Applications
- Digital circuit design: The 74HC139PW,112 is useful in various digital circuits requiring decoding or demultiplexing functions.
- Embedded systems: It can be used in embedded systems where space and power efficiency are crucial.
- Automotive electronics: The wide operating temperature range makes it suitable for automotive applications.
- Industrial control systems: It can be used in industrial control systems that require reliable and efficient decoding/demultiplexing.
- Educational purposes: This IC is often used in educational settings to teach digital logic and circuit design principles.
Q & A
- What is the primary function of the 74HC139PW,112 IC?
The primary function is to act as a dual 2-to-4 line decoder/demultiplexer.
- What is the package type of the 74HC139PW,112?
The package type is 16-TSSOP (Thin Shrink Small Outline Package).
- What is the voltage supply range for the 74HC139PW,112?
The voltage supply range is 2 V ~ 6 V.
- What is the operating temperature range of the 74HC139PW,112?
The operating temperature range is -40°C ~ 125°C.
- How many independent circuits does the 74HC139PW,112 contain?
The IC contains 2 independent circuits.
- What is the output current capability of the 74HC139PW,112?
The output current capability is 5.2mA for both high and low outputs.
- Is the 74HC139PW,112 still in production?
No, the 74HC139PW,112 is noted as obsolete in some sources.
- What are common applications of the 74HC139PW,112?
Common applications include digital circuit design, embedded systems, automotive electronics, industrial control systems, and educational purposes.
- What series does the 74HC139PW,112 belong to?
The IC belongs to the 74HC series of high-speed CMOS logic devices.
- How many pins does the 74HC139PW,112 have?
The IC has 16 pins.
