The CD74HCT139M96 is a high-speed silicon-gate CMOS dual 2-line to 4-line decoder/demultiplexer designed and manufactured by Texas Instruments. This integrated circuit is engineered to operate with a high level of precision in a variety of digital applications. The device is part of the HCT family, which means it is compatible with standard CMOS outputs and TTL input logic levels.

Key Features

• Logic Family: HCT (High-Speed CMOS, TTL-Compatible)
• Operating Voltage Range: 4.5V to 5.5V, making it suitable for 5V systems
• High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
• Output Drive Capability: Capable of driving 10 LSTTL loads
• Speed: Fast propagation delay time, which varies with operating conditions
• Temperature Range: Designed to operate from -55°C to 125°C

Functional Description

The CD74HCT139M96 device contains two individual 2-line to 4-line decoders, each with their own address inputs (A0, A1) and enable inputs (E). The enable input can be used to deactivate the device thereby making the outputs high-impedance which is ideal for multiplexing applications. When the enable input is active, each set of decoder outputs (Y0 to Y3) will select one of four active-low outputs based on the combination of the address inputs.

Applications

With its versatile decoding capability, the CD74HCT139M96 is suitable for a wide range of applications, including:

• Memory chip select decoding
• Data routing
• Function selection in microprocessor systems
• Demultiplexing for data acquisition systems
• Control logic for digital systems

Package and Quality

The CD74HCT139M96 is offered in a surface-mount, 16-pin SOIC package, which is conducive to automated assembly processes. Texas Instruments is known for its commitment to quality and reliability, and this product is no exception. It meets or exceeds the standards set for industrial-grade components, ensuring dependable performance in critical applications.