74HC154D,653 4-to-16 Line Decoder/Demultiplexer | High-Speed CMOS | SOIC-24 SMD

Description

The 74HC154D,653 is a high-speed, silicon-gate CMOS 4-to-16 line decoder/demultiplexer. It decodes four binary-coded inputs (A0–A3) into one of sixteen mutually exclusive active-LOW outputs (Y0–Y15). This device is a powerful tool for complex address decoding, memory bank selection, or expanding a limited number of microcontroller output pins into a large array of individually addressable signals.

The IC features two active-LOW enable inputs ($E1$ and $E2$). For the decoder to function, both enable inputs must be driven LOW. If either enable input is driven HIGH, all sixteen outputs are forced to a HIGH state, effectively disabling the entire decoder. This design simplifies cascading, allowing designers to build larger decoders by using the enable pins as additional address lines.

Note: Product images are shown for reference only. The actual product may vary in appearance, manufacturer marking, or logo depending on stock availability.

Features

• 4-line to 16-line decoding capability
• Active-LOW outputs
• Two active-LOW enable inputs for easy cascading
• High-speed CMOS (HC) technology
• Wide operating voltage range (2V to 6V)
• Compact SOIC-24 SMD package

Benefits

• Efficiently expands 4 microcontroller pins into 16 independent control lines
• Cascading ability allows for large-scale address decoding (e.g., 5-to-32 decoding)
• High noise immunity and low power consumption suitable for modern digital systems
• Standardized HC logic series ensures compatibility with other CMOS logic devices

Applications

• Memory Address Decoding
• Data Demultiplexing
• Peripheral/Device Chip Select Generation
• Complex Control Signal Routing
• Input/Output Port Expansion

Package Includes

• 1 x 74HC154D,653 4-to-16 Line Decoder/Demultiplexer IC (SOIC-24 SMD)

Specifications