Overview
The 74HCT139D-Q100J, produced by Nexperia USA Inc., is a dual 2-to-4 line decoder/demultiplexer integrated circuit. This component decodes two binary weighted address inputs (nA0, nA1) into four mutually exclusive outputs (nY0 to nY3). Each decoder features an enable input (nE) that, when set HIGH, forces all outputs to HIGH, allowing it to function as a 1-to-4 demultiplexer. The device is designed to operate with TTL input levels and is suitable for various applications including memory decoding, data routing, and code conversion.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC | 4.5 | - | 5.5 | V |
| Logic Switching Levels | TTL | - | - | - |
| Output Drive Capability | - | - | ±4 | mA |
| tpd (Propagation Delay) | - | - | 16 | ns |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package | - | - | SO16 (SOT109-1) | - |
| ESD Protection | - | - | HBM: >2000 V, CDM: >1000 V | - |
Key Features
- Dual 2-to-4 line decoder/demultiplexer with two independent decoders.
- Inputs include clamp diodes to interface with voltages in excess of VCC.
- Enable input (nE) can be used as the data input for a 1-to-4 demultiplexer application.
- Active LOW mutually exclusive outputs.
- Complies with JEDEC standard no. 7A and AEC-Q100 (Grade 1) for automotive applications.
- Specified from -40 °C to +125 °C.
- ESD protection: HBM >2000 V, CDM >1000 V.
Applications
- Memory decoding
- Data routing
- Code conversion
- Automotive applications due to AEC-Q100 (Grade 1) qualification.
- General digital logic circuits requiring decoding or demultiplexing functions.
Q & A
- What is the primary function of the 74HCT139D-Q100J?
The primary function is to decode two binary weighted address inputs into four mutually exclusive outputs, and it can also function as a 1-to-4 demultiplexer.
- What are the input levels for the 74HCT139D-Q100J?
The input levels are TTL (Transistor-Transistor Logic).
- What is the operating temperature range of the 74HCT139D-Q100J?
The operating temperature range is from -40 °C to +125 °C.
- What type of ESD protection does the 74HCT139D-Q100J have?
The device has ESD protection exceeding 2000 V for HBM and 1000 V for CDM.
- What package type is the 74HCT139D-Q100J available in?
The device is available in a SO16 (SOT109-1) package.
- Is the 74HCT139D-Q100J suitable for automotive applications?
Yes, it is qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1).
- What is the propagation delay of the 74HCT139D-Q100J?
The propagation delay is approximately 16 ns.
- Can the enable input be used for other purposes?
Yes, the enable input (nE) can be used as the data input for a 1-to-4 demultiplexer application.
- What are some common applications of the 74HCT139D-Q100J?
Common applications include memory decoding, data routing, code conversion, and general digital logic circuits.
- Does the 74HCT139D-Q100J comply with any specific standards?
Yes, it complies with JEDEC standard no. 7A and AEC-Q100 (Grade 1) for automotive applications.
