The DM74LS154J is a 4-line to 16-line Decoder/Demultiplexer. It is part of the 74LS (Low-power Schottky) series of TTL integrated circuits. This device accepts four binary address inputs (A0-A3) and decodes them to select one of sixteen mutually exclusive outputs (Y0-Y15). The device also features two active-low enable inputs (G1 and G2), which must both be low for the decoder to be active.

Applications

• Memory address decoding
• Data routing
• Output expansion
• Keyboard scanning
• Code conversion
• Instrumentation and control systems

Features

• 4-line to 16-line Decoding
• Active-Low Outputs
• Two Enable Inputs (Active Low)
• Low Power Consumption
• TTL Compatible
• High-Speed Operation

Benefits

• Provides a compact and efficient way to decode binary addresses.
• Simplifies the design of memory systems and data routing networks.
• The enable inputs allow for easy expansion to larger decoding schemes.
• Low power consumption minimizes heat generation.
• High-speed operation enables use in demanding applications.

Additional Details

The DM74LS154J operates on a 5V power supply. When both enable inputs (G1 and G2) are low, the output corresponding to the binary address inputs (A0-A3) will be low, while all other outputs will be high. If either G1 or G2 is high, all outputs will be high. The device is housed in a 24-pin DIP (Dual In-line Package).

The 74LS154 is a versatile decoder/demultiplexer suitable for a wide range of applications where binary address decoding or data routing is required. The active-low outputs can be directly connected to other TTL devices.