Product Overview: CD74HCT147E by Texas Instruments

The CD74HCT147E is a high-speed silicon-gate CMOS 10-line to 4-line priority encoder designed and manufactured by Texas Instruments, a leader in semiconductor innovation. This integrated circuit is part of the HCT family, which ensures compatibility with all industry-standard logic families through its TTL input compatibility.

Key Features

• Logic Type: Priority Encoder
• Number of Inputs: 10
• Number of Outputs: 4
• Input Level: TTL
• Output Level: CMOS
• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -55°C to 125°C
• Package / Case: PDIP-16
• Mounting Type: Through Hole

The CD74HCT147E provides a priority encoding function that converts the active-low inputs to a binary representation on the outputs, with the highest-priority input causing the corresponding binary code to appear at the outputs. This feature is crucial in applications that require data selection and multiplexing. The encoder ensures that only the highest-priority signal is recognized, making it ideal for interrupt systems and similar priority-based control systems.

Applications

With its robust design and reliable performance, the CD74HCT147E is suited for a wide range of applications such as:

• Data routing
• Interrupt systems
• Control panels
• Processors and microcontrollers
• Communication systems
• Input/output port mapping

The device's TTL-compatible inputs allow it to interface with older logic families, while its CMOS output ensures low power consumption and high noise immunity. The CD74HCT147E's wide operating temperature range makes it suitable for industrial applications where extreme conditions may be encountered.

Overall, the CD74HCT147E from Texas Instruments stands out for its ability to manage multiple input signals in a priority-driven manner, ensuring efficient and reliable operation in complex electronic systems.