Overview
The CD74HC154EN is a high-speed CMOS logic 4-to-16 line decoder/demultiplexer produced by Texas Instruments. This integrated circuit is designed to perform decoding and demultiplexing functions, making it a versatile component in digital circuit design. The device features two enable inputs, E1 and E2, which control the output states, and four input lines (A0 to A3) that select the output lines (Y0 to Y15). This component is part of the 74HC series, known for its high-speed and low power consumption characteristics.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package Type | 24-DIP (0.300", 7.62mm) | 24-PDIP |
| Operating Temperature | -55°C to 125°C | -55°C to 125°C |
| Voltage Supply | Single Supply | 2 V to 6 V |
| Mounting Type | Through Hole | |
| Current - Output High, Low | 5.2mA, 5.2mA | |
| High Level Input Voltage (VIH) | 1.5 V to 6 V (depending on VCC) | |
| Low Level Input Voltage (VIL) | 0.5 V to 1.8 V (depending on VCC) | |
| Propagation Delay (tPLH, tPHL) | 35 ns to 265 ns (depending on VCC and load) | |
| Input Leakage Current (II) | ±1 µA | |
| Quiescent Device Current (ICC) | 8 µA to 160 µA (depending on VCC) |
Key Features
- CMOS Input Compatibility: The device is compatible with CMOS logic levels, ensuring low input leakage current (≤1µA at VOL, VOH).
- Decoding and Demultiplexing: Capable of performing both decoding and demultiplexing functions using four input lines (A0 to A3) and two enable inputs (E1 and E2).
- High-Speed Operation: Offers fast propagation delay times, making it suitable for high-speed applications.
- Low Power Consumption: Operates with low quiescent device current, reducing overall power consumption.
- Wide Operating Temperature Range: Functional over a wide temperature range of -55°C to 125°C, making it suitable for various environmental conditions.
Applications
- Digital Circuit Design: Used in the design of digital circuits requiring decoding and demultiplexing functions.
- Embedded Systems: Suitable for use in embedded systems where low power consumption and high-speed operation are critical.
- Industrial Control Systems: Can be used in industrial control systems due to its wide operating temperature range and reliability.
- Communication Systems: Applicable in communication systems where data needs to be decoded and demultiplexed efficiently.
Q & A
- What is the CD74HC154EN used for?
The CD74HC154EN is a 4-to-16 line decoder/demultiplexer used for decoding and demultiplexing functions in digital circuits.
- What are the package options for the CD74HC154EN?
The CD74HC154EN is available in a 24-DIP (0.300", 7.62mm) package.
- What is the operating temperature range of the CD74HC154EN?
The operating temperature range is -55°C to 125°C.
- What is the voltage supply range for the CD74HC154EN?
The voltage supply range is 2 V to 6 V.
- How many input lines and output lines does the CD74HC154EN have?
The device has four input lines (A0 to A3) and sixteen output lines (Y0 to Y15).
- What are the enable inputs used for in the CD74HC154EN?
The two enable inputs (E1 and E2) control the output states of the device.
- What is the propagation delay of the CD74HC154EN?
The propagation delay ranges from 35 ns to 265 ns depending on VCC and load.
- Is the CD74HC154EN compatible with CMOS logic levels?
Yes, it is compatible with CMOS logic levels.
- What is the quiescent device current of the CD74HC154EN?
The quiescent device current ranges from 8 µA to 160 µA depending on VCC.
- Where can I purchase the CD74HC154EN?
The CD74HC154EN can be purchased from various electronics distributors such as Heisener, Digi-Key, and Mouser.
