CD74HC151M96

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Selector/Multiplexer
• Characteristics: High-Speed, CMOS Logic, 8:1 Multiplexer
• Package: SOIC-16
• Essence: The CD74HC151M96 is a high-speed CMOS logic IC that functions as an 8:1 multiplexer. It is commonly used in digital systems to select one of eight input data lines and route it to the output line based on the control inputs.
• Packaging/Quantity: The CD74HC151M96 is available in a standard SOIC-16 package and is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 13 ns (typical)
• Input Capacitance: 3.5 pF (typical)
• Output Current: ±25 mA

Pin Configuration

The CD74HC151M96 has a total of 16 pins arranged in a dual in-line package (DIP). The pin configuration is as follows:

+---+--+---+ A0 |1 +--+ 16| VCC A1 |2 15| B A2 |3 14| C A3 |4 13| D A4 |5 CD74HC151M96 12| E A5 |6 11| F A6 |7 10| G A7 |8 9| H +----------+

Functional Features

• 8:1 Data Selector/Multiplexer
• High-Speed CMOS Logic
• Low Power Consumption
• Wide Operating Voltage Range
• Schmitt Trigger Inputs for Noise Immunity
• Output Current Protection
• TTL-Compatible Inputs and Outputs

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data selection in digital systems. - CMOS logic provides low power consumption and wide operating voltage range. - Schmitt trigger inputs enhance noise immunity, ensuring reliable operation. - Output current protection prevents damage to the IC and connected devices. - Compatibility with TTL logic levels simplifies integration into existing systems.

Disadvantages: - Limited to 8:1 multiplexing capability, may not be suitable for applications requiring higher input/output configurations. - Propagation delay of 13 ns may introduce timing constraints in certain high-speed applications.

Working Principles

The CD74HC151M96 operates based on the principle of data selection using control inputs. The eight input lines (A0-A7) carry data signals, while the control inputs (B, C, D, E) determine which input line is selected and routed to the output line (F). The selected input is determined by the binary value applied to the control inputs.

Detailed Application Field Plans

The CD74HC151M96 finds application in various digital systems where data selection or multiplexing is required. Some common application fields include:

1. Digital Communication Systems: Used for selecting different data sources in communication protocols such as UART, SPI, or I2C.
2. Data Acquisition Systems: Enables the selection of multiple analog or digital sensors for data acquisition purposes.
3. Multiplexed Displays: Allows for the selection of different display segments in multiplexed display systems, such as 7-segment displays.
4. Memory Addressing: Used in memory systems to select different memory banks or address lines.

Detailed and Complete Alternative Models

1. SN74HC151: Similar 8:1 multiplexer IC from Texas Instruments with comparable specifications.
2. CD4051B: Analog multiplexer/demultiplexer IC that can also be used for data selection purposes.
3. MC14051B: CMOS analog multiplexer/demultiplexer IC with multiple channels for data routing applications.

These alternative models offer similar functionality and can be considered as alternatives to the CD74HC151M96 based on specific requirements and availability.

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