Product Overview: 74HC147N by NXP

The 74HC147N is a high-speed Si-gate CMOS device and is pin compatible with low-power Schottky TTL (LSTTL). Manufactured by NXP Semiconductors, a global leader in the electronics industry, this integrated circuit is designed to provide efficient encoding of decimal digits. It is commonly used in applications that require the conversion of a decimal input into a 4-bit binary-coded decimal (BCD) output.

Key Features

• Priority Encoding: The 74HC147N has the capability to encode nine input lines to four output lines, ensuring that the highest priority input is represented on the output.
• Input Clamping Diodes: These diodes simplify system design by allowing the use of current limiting resistors to interface inputs to voltages in excess of VCC.
• Wide Operating Voltage Range: It can operate on a wide range of supply voltages from 2V to 6V, making it versatile for various applications.
• High Noise Immunity: The device features high noise immunity characteristic of CMOS devices, providing stable operation in a noisy environment.
• Low Power Consumption: The 74HC147N boasts a low power consumption, which is typical for CMOS technology, making it suitable for battery-operated devices.

Applications

Due to its priority encoding feature, the 74HC147N is ideal for a range of applications such as:

• Keyboard encoding
• Control panel input processing
• Decimal-to-binary data conversion
• Address decoding for memory and I/O

Technical Specifications

Here are some technical specifications for the 74HC147N:

• Logic Family: 74HC
• Logic Type: 10-to-4 line priority encoder
• Number of Inputs: 10
• Number of Outputs: 4
• Output Type: Standard
• Package Type: DIP
• Mounting Type: Through Hole
• Operating Temperature Range: -40°C to +125°C

Overall, the 74HC147N from NXP is a robust, reliable solution for digital encoding needs, offering a blend of performance, power efficiency, and design flexibility that is suitable for a wide array of electronic applications.