Overview
The 74HC138BQ-Q100,115 is a 3-to-8 line decoder/demultiplexer integrated circuit produced by Nexperia USA Inc. This device is part of the 74HC and 74HCT family and is designed to decode three binary weighted address inputs (A0, A1, and A2) into eight mutually exclusive outputs (Y0 to Y7). It features three enable inputs (E1, E2, and E3) that allow for flexible control over the output states. The device is suitable for a wide range of applications, including automotive, industrial, and consumer electronics, due to its robust performance and low power consumption.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|
| 74HC138BQ-Q100 | 2.0 - 6.0 | CMOS | ± 5.2 | 12 | Low | -40 to 125 | 93 | 14.3 | 63 | DHVQFN16 (SOT763-1) |
Key Features
- Decoding and Demultiplexing Capability: Decodes three binary weighted address inputs to eight mutually exclusive outputs.
- Multiple Enable Inputs: Features three enable inputs (E1, E2, and E3) for flexible control over output states.
- Wide Supply Voltage Range: Operates over a supply voltage range of 2.0 to 6.0 V.
- Low Power Dissipation: CMOS technology ensures low power consumption.
- High Noise Immunity: Provides high noise immunity and latch-up performance exceeding 100 mA per JESD 78 Class II Level B.
- Input Clamp Diodes: Includes clamp diodes to protect inputs from voltages in excess of VCC.
Applications
The 74HC138BQ-Q100,115 is versatile and can be used in various applications across different industries, including:
- Automotive Systems: Suitable for automotive applications due to its AEC-Q100 qualification.
- Industrial Control Systems: Used in industrial control systems for decoding and demultiplexing functions.
- Consumer Electronics: Found in consumer electronics for various logic and switching applications.
- Computing and Power Systems: Used in computing and power systems where low power consumption and high reliability are essential.
Q & A
- What is the primary function of the 74HC138BQ-Q100,115?
The primary function is to decode three binary weighted address inputs into eight mutually exclusive outputs and to act as a demultiplexer.
- What is the supply voltage range for this IC?
The supply voltage range is from 2.0 to 6.0 V.
- What are the logic switching levels of this device?
The logic switching levels are CMOS.
- What is the output drive capability of the 74HC138BQ-Q100,115?
The output drive capability is ± 5.2 mA.
- What is the typical propagation delay of this IC?
The typical propagation delay is 12 ns.
- What is the operating temperature range for this device?
The operating temperature range is from -40 to 125 °C.
- What package type is the 74HC138BQ-Q100,115 available in?
The device is available in a DHVQFN16 (SOT763-1) package.
- Is the 74HC138BQ-Q100,115 RoHS compliant?
- Can the 74HC138BQ-Q100,115 be used as a demultiplexer?
- How can I order samples of the 74HC138BQ-Q100,115?
Samples can be ordered via Nexperia's sales organization or through their network of global and regional distributors.
