CD74HC147M96

Product Overview

• Category: Integrated Circuit (IC)
• Use: Encoder
• Characteristics: High-speed, CMOS logic, 10-line to 4-line priority encoder
• Package: SOIC-16

• Essence: CD74HC147M96 is a high-speed CMOS logic integrated circuit that functions as a 10-line to 4-line priority encoder. It is commonly used in digital electronics applications for encoding multiple input lines into a smaller number of output lines.

• Packaging/Quantity: The CD74HC147M96 is available in a small outline integrated circuit (SOIC) package with 16 pins. It is typically sold in reels or tubes containing a specific quantity of units.

Specifications

The CD74HC147M96 has the following specifications:

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 33 MHz
• Propagation Delay: 15 ns (typical)
• Low Power Consumption: 20µA (typical)

Detailed Pin Configuration

The CD74HC147M96 has 16 pins, each serving a specific function:

1. A0 - Input line A0
2. A1 - Input line A1
3. A2 - Input line A2
4. A3 - Input line A3
5. A4 - Input line A4
6. A5 - Input line A5
7. A6 - Input line A6
8. A7 - Input line A7
9. GND - Ground
10. E - Enable input
11. D0 - Output line D0
12. D1 - Output line D1
13. D2 - Output line D2
14. D3 - Output line D3
15. VCC - Supply voltage
16. NC - No connection

Functional Features

The CD74HC147M96 offers the following functional features:

• 10-line to 4-line priority encoding: It can encode up to 10 input lines into 4 output lines based on their priority.
• High-speed operation: The CMOS logic design allows for fast encoding with a maximum operating frequency of 33 MHz.
• Low power consumption: It consumes only 20µA of current, making it suitable for battery-powered applications.
• Wide supply voltage range: It can operate within a supply voltage range of 2V to 6V, providing flexibility in various electronic systems.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick encoding of input lines. - Low power consumption makes it suitable for portable devices. - Wide supply voltage range allows for compatibility with different systems.

Disadvantages: - Limited number of output lines (4) may not be sufficient for certain applications requiring more outputs. - Propagation delay of 15 ns may introduce slight delays in time-critical applications.

Working Principles

The CD74HC147M96 operates based on the priority encoding principle. It assigns priority to each input line and encodes them into a smaller number of output lines. The highest priority input line is encoded first, followed by lower priority lines. The enable input (E) controls the encoding process, allowing the user to enable or disable the encoder as needed.

Detailed Application Field Plans

The CD74HC147M96 finds applications in various fields, including:

1. Data transmission systems: It can be used to encode multiple data lines into a smaller number of output lines for efficient transmission.
2. Address decoding: It is commonly employed in memory systems to decode address lines and select specific memory locations.
3. Priority-based control systems: The priority encoding feature makes it suitable for applications where certain inputs need to be given higher priority over others.

Detailed and Complete Alternative Models

1. 74HC147: This is a similar 10-line to 4-line priority encoder from the 74HC series, offering comparable functionality.
2. CD4028: It is a BCD-to-decimal decoder with priority encoding capability, suitable for different applications.
3. SN74LS148: This is a TTL logic priority encoder that can encode up to 8 input lines into 3 output lines.

These alternative models provide similar encoding functionality and can be considered as alternatives to the CD74HC147M96 based on specific requirements.

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