74HC154D,653

The 74HC154D,653 is a high-speed CMOS (Complementary Metal-Oxide-Semiconductor) logic device that functions as a 4-to-16 line decoder/demultiplexer. It is manufactured by Nexperia, a well-known semiconductor company. This device is part of the 74HC family, which is characterized by its high-speed operation and low power consumption.

Key Features:

1. Functionality: The 74HC154D decodes a 4-bit binary input into one of 16 active low outputs. When a specific binary value is applied to the input pins (A0 to A3), the corresponding output (Y0 to Y15) is activated (pulled low), while all other outputs remain high (inactive).

2. Input and Output Configuration:

   • Inputs: The device has four input pins (A0, A1, A2, A3) that accept binary values.
   • Outputs: It features 16 outputs (Y0 to Y15), which are active low. This means that when an output is selected, it will output a low voltage level (typically close to 0V), while the others will output a high voltage level (typically close to the supply voltage).

3. Enable Pins: The 74HC154D includes two enable pins (G1 and G2). For the device to function, G1 must be high, and G2 must be low. If G1 is low or G2 is high, all outputs will be in a high state, effectively disabling the decoder.

4. Power Supply: The device operates over a wide voltage range, typically from 2V to 6V, making it suitable for various applications. It is designed to work with standard logic levels.

5. Speed: The 74HC154D is known for its fast switching times, making it suitable for high-speed applications. The propagation delay is typically in the range of nanoseconds, allowing for quick response times in digital circuits.

6. Package Type: The "D" in the part number indicates that the device is available in a DIP (Dual In-line Package) format, which is suitable for through-hole mounting. The "653" suffix often refers to specific manufacturing or batch information.

7. Applications: This decoder/demultiplexer can be used in various applications, including memory address decoding, data routing, and as a component in larger digital systems where multiple outputs are needed from a limited number of inputs.

8. Thermal and Electrical Characteristics: The device is designed to operate within specified temperature ranges and has defined electrical characteristics, such as input and output voltage levels, current ratings, and power dissipation limits.

Summary:

The 74HC154D,653 from Nexperia is a versatile and efficient 4-to-16 line decoder/demultiplexer that is ideal for applications requiring fast and reliable digital signal processing. Its combination of low power consumption, high-speed operation, and flexible input/output configuration makes it a valuable component in modern electronic designs.