Overview
The 74HCT138D,653 is a 3-to-8 line decoder/demultiplexer integrated circuit (IC) manufactured by Nexperia USA Inc. This component is part of the 74HCT series, which is known for its compatibility with TTL (Transistor-Transistor Logic) input levels. The IC is designed to decode a 3-bit binary input into one of eight mutually exclusive outputs, making it versatile for various digital circuit applications.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Nexperia USA Inc. |
| Type | Decoder/Demultiplexer |
| Series | 74HCT |
| Circuit | 1 x 3:8 |
| Package | 16-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Pin Count | 16 |
| Dimensions | 6.4 x 5.4 x 1.8mm |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C |
| Output Current (High/Low) | ±4mA |
| Logic Switching Levels | TTL |
| ESD Protection | HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V |
Key Features
- TTL Input Compatibility: The 74HCT138D,653 is designed to work with TTL input levels, making it compatible with a wide range of digital circuits.
- 3-to-8 Line Decoding: This IC decodes a 3-bit binary input into one of eight mutually exclusive outputs.
- Demultiplexer Functionality: It can also be used as an eight output demultiplexer by using one of the active LOW enable inputs as the data input and the remaining enable inputs as strobes.
- High ESD Protection: The IC features high ESD protection, exceeding 2000 V for HBM and 1000 V for CDM.
- Wide Operating Temperature Range: Operates from -40°C to 125°C, making it suitable for various environmental conditions.
- Low Power Dissipation: Designed for low power dissipation, which is beneficial for energy-efficient designs.
Applications
The 74HCT138D,653 is versatile and can be used in a variety of digital circuit applications across different industries, including:
- Automotive Systems: For decoding and demultiplexing in automotive control systems.
- Industrial Control Systems: In industrial automation and control circuits.
- Consumer Electronics: In digital consumer products such as TVs, audio equipment, and other electronic devices.
- Computing and Networking: In computer peripherals and network devices.
- Mobile and Wearable Devices: For compact and efficient decoding and demultiplexing in mobile and wearable electronics.
Q & A
- What is the primary function of the 74HCT138D,653 IC?
The primary function is to decode a 3-bit binary input into one of eight mutually exclusive outputs and to act as a demultiplexer.
- What is the input logic level compatibility of the 74HCT138D,653?
The IC is compatible with TTL (Transistor-Transistor Logic) input levels.
- What is the operating voltage range of the 74HCT138D,653?
The operating voltage range is from 4.5V to 5.5V.
- What is the operating temperature range of the 74HCT138D,653?
The IC operates from -40°C to 125°C.
- What type of package does the 74HCT138D,653 come in?
The IC comes in a 16-SOIC (0.154", 3.90mm Width) package.
- What is the ESD protection level of the 74HCT138D,653?
The IC has high ESD protection, exceeding 2000 V for HBM and 1000 V for CDM.
- Can the 74HCT138D,653 be used as a demultiplexer?
Yes, it can be used as an eight output demultiplexer by using one of the active LOW enable inputs as the data input and the remaining enable inputs as strobes.
- What are some common applications of the 74HCT138D,653?
Common applications include automotive systems, industrial control systems, consumer electronics, computing and networking, and mobile and wearable devices.
- How many outputs does the 74HCT138D,653 have?
The IC has eight mutually exclusive outputs.
- What is the output current capability of the 74HCT138D,653?
The output current capability is ±4mA.
