Overview
The 74HC139PW,118 is a dual 2-to-4 line decoder/demultiplexer integrated circuit (IC) produced by Nexperia USA Inc. This IC is part of the 74HC series, known for its high-speed CMOS logic. It is designed to operate in a wide range of digital systems, providing versatile functionality as both a decoder and a demultiplexer.
Key Specifications
| Parameter | Value |
|---|---|
| Package/Case Type | 16-TSSOP |
| Operating Voltage Range | 2 V - 6 V DC |
| Output Drive Capability | ±4-mA at 5 V |
| Input Current | 1 μA |
| Enable Inputs | Active LOW, mutually exclusive |
| Operating Temperature | -40°C to 125°C |
| Mounting Type | Surface Mount |
| Independent Circuits | 2 |
| Circuit Configuration | 1 x 2:4 Decoder/Demultiplexer |
Key Features
- Operates as both a decoder and a demultiplexer.
- Two mutually exclusive decoders with address inputs (nA0, nA1) and outputs (nY0 to nY3).
- Incorporates two enable inputs to simplify cascading and/or data reception.
- Active LOW mutually exclusive outputs.
- Low input current of 1 μA.
- Outputs can drive up to ten LSTTL loads.
- Available in 16-TSSOP package.
Applications
- Digital Systems
- Line Decoders
- Demultiplexers
- Telecommunication Systems
Q & A
- What is the primary function of the 74HC139PW,118 IC?
The 74HC139PW,118 IC functions as both a 2-to-4 line decoder and a demultiplexer.
- What is the operating voltage range of the 74HC139PW,118?
The operating voltage range is 2 V to 6 V DC.
- What type of package does the 74HC139PW,118 come in?
The IC is available in a 16-TSSOP package.
- What is the significance of the enable inputs in the 74HC139PW,118?
The enable inputs are active LOW and are used to simplify cascading and/or data reception.
- How many LSTTL loads can the outputs of the 74HC139PW,118 drive?
The outputs can drive up to ten LSTTL loads.
- What is the operating temperature range of the 74HC139PW,118?
The operating temperature range is -40°C to 125°C.
- Can the 74HC139PW,118 be used in telecommunication systems?
Yes, it can be used in telecommunication systems among other digital systems.
- How many independent circuits does the 74HC139PW,118 contain?
The IC contains two independent circuits.
- What is the input current of the 74HC139PW,118?
The input current is 1 μA.
- How does the enable pin affect the operation of the 74HC139PW,118?
If the enable pin (E’) is connected to ground, it works as a decoder; if connected to VCC, it works as a demultiplexer.
