74HC148 8 to 3 Line Priority Decoder DIP-IC

74HC148 8 to 3 Line Priority Decoder DIP-IC

The 74HC148 is an 8-to-3 line priority decoder. It is supplied in a DIP-IC package. This integrated circuit encodes eight data lines into a three-line octal binary output. It employs advanced silicon gate C2 MOS technology. The device exhibits low power consumption. High-speed operation is comparable to LSTTL logic. Inputs are protected with Schottky diodes. Cascading circuitry, including enable input (EI) and enable output (EO), facilitates octal expansion. Data inputs are active at a low logic level.

Specifications:

• Function: 8 to 3 Line Priority Decoder
• Logic Family: 74HC Series
• Technology: High-Speed CMOS (C2 MOS)
• Package Type: DIP-IC
• Input Lines: 8
• Output Lines: 3 (Octal Binary)
• Power Consumption: Low
• Input Protection: Schottky Diodes
• Cascading Capability: Yes (EI/EO)
• Input Logic Level: Active Low
• Operating Temperature: Up to 70°C
• Switching Voltages: Standard TTL Compatible

Key features and benefits:

• Encodes 8 data lines to 3-line (octal) binary output
• High-speed CMOS technology
• Low power consumption
• Schottky diode input protection
• Integrated cascading circuitry (EI/EO) for octal expansion
• Active low data inputs
• Compatible with standard TTL switching voltages
• Operates up to 70°C

Applications:

• Keyboard and keypad encoding systems
• Data multiplexing and demultiplexing circuits
• Interrupt priority control in microcontroller designs
• Control systems requiring prioritized input handling
• General-purpose digital logic designs

Frequently Asked Questions:

Q: What is the typical pin configuration for the 74HC148 DIP-IC package?
A: The 74HC148 is typically supplied in a 16-pin DIP package.

Q: What input voltage levels are compatible with the 74HC148?
A: The 74HC148 inputs are compatible with standard TTL switching voltages and are active at a low logic level.

Q: How is the cascading feature implemented using the EI and EO pins?
A: The enable input (EI) and enable output (EO) pins allow for octal expansion by connecting the EO of one device to the EI of a subsequent device.

Package Includes:

*Image shown is a representation only.

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