Overview
The 74HCT139DB,112 is a dual 2-to-4 line decoder/demultiplexer integrated circuit produced by Nexperia USA Inc. This high-speed Si-gate CMOS device is part of the 74HCT series and is pin compatible with low power Schottky TTL (LSTTL). It is designed to provide multifunctional capabilities, making it versatile for various digital logic applications.
Key Specifications
| Parameter | Value |
|---|---|
| Type | Decoder/Demultiplexer |
| Package / Case | 16-SSOP (0.209, 5.30mm Width) |
| Number of Pins | 16 |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Supply | 4.5V ~ 5.5V |
| Number of Functions | 2 |
| Number of Outputs | 4 |
| Propagation Delay | 50 ns |
| Quiescent Current | 8μA |
| Turn On Delay Time | 51 ns |
| Logic Function | Decoder, Demultiplexer |
| Current - Output High, Low | 4mA, 4mA |
| Supply Type | Single |
| Number of Input Lines | 2 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | RoHS Compliant |
Key Features
- Dual 2-to-4 line decoder/demultiplexer functionality
- High-speed Si-gate CMOS technology
- Pin compatible with low power Schottky TTL (LSTTL)
- Active LOW mutually exclusive outputs
- Enable inputs (active LOW) for demultiplexer application
- Operating voltage range of 4.5V to 5.5V
- Low quiescent current of 8μA
- Propagation delay of 50 ns
Applications
The 74HCT139DB,112 is suitable for a variety of digital logic applications, including:
- Decoder circuits: It can decode two binary inputs into four mutually exclusive outputs.
- Demultiplexer circuits: It can be used as a 1-to-4 demultiplexer by utilizing the enable input as a data input.
- Digital switching circuits: Its multifunction capability makes it useful in complex digital switching applications.
- Embedded systems: It can be integrated into embedded systems requiring high-speed logic operations.
Q & A
- What is the primary function of the 74HCT139DB,112?
The primary function is to act as a dual 2-to-4 line decoder/demultiplexer. - What is the operating voltage range of the 74HCT139DB,112?
The operating voltage range is 4.5V to 5.5V. - How many outputs does each decoder have?
Each decoder has four mutually exclusive active LOW outputs. - What is the propagation delay of the 74HCT139DB,112?
The propagation delay is 50 ns. - Is the 74HCT139DB,112 RoHS compliant?
Yes, it is RoHS compliant. - What is the package type of the 74HCT139DB,112?
The package type is 16-SSOP (0.209, 5.30mm Width). - What is the quiescent current of the 74HCT139DB,112?
The quiescent current is 8μA. - Can the 74HCT139DB,112 be used as a demultiplexer?
Yes, it can be used as a 1-to-4 demultiplexer by utilizing the enable input as a data input. - What is the moisture sensitivity level (MSL) of the 74HCT139DB,112?
The MSL is 1 (Unlimited). - Is the 74HCT139DB,112 pin compatible with other logic families?
Yes, it is pin compatible with low power Schottky TTL (LSTTL).
