MC74HC4094ADR2G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-Speed CMOS, 8-Bit Serial-In/Parallel-Out
• Package: SOIC-16
• Essence: The MC74HC4094ADR2G is a high-speed CMOS shift register that can convert serial data into parallel output. It is commonly used in applications where multiple outputs are required from a single input source.
• Packaging/Quantity: The MC74HC4094ADR2G is available in a standard SOIC-16 package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 25 MHz
• Number of Stages: 8
• Output Current: ±25mA
• Propagation Delay: 13 ns (typical)

Pin Configuration

The MC74HC4094ADR2G has a total of 16 pins, which are assigned specific functions as follows:

1. Serial Data Input (DS)
2. Serial Data Output (QH')
3. Clock Input (CP)
4. Master Reset Input (MR)
5. Output Enable Input (OE)
6. Parallel Data Outputs (Q7-Q0)
7. Ground (GND)
8. Parallel Data Outputs (Q7-Q0)
9. Parallel Data Outputs (Q7-Q0)
10. Parallel Data Outputs (Q7-Q0)
11. Parallel Data Outputs (Q7-Q0)
12. Parallel Data Outputs (Q7-Q0)
13. Parallel Data Outputs (Q7-Q0)
14. Parallel Data Outputs (Q7-Q0)
15. VCC (Supply Voltage)
16. Serial Data Output (QH)

Functional Features

• High-speed operation allows for efficient data transfer.
• 8-bit serial-in/parallel-out shift register functionality.
• Parallel outputs can be easily controlled using the clock input.
• Master reset input allows for clearing the register to a known state.
• Output enable input enables/disables the parallel outputs.

Advantages and Disadvantages

Advantages

• High-speed CMOS technology ensures fast and reliable operation.
• Compact SOIC-16 package allows for easy integration into various circuit designs.
• Versatile functionality with multiple parallel outputs.

Disadvantages

• Limited number of stages (8) may not be sufficient for certain applications requiring larger shift registers.
• Requires external components for proper operation, such as clock signal source and power supply.

Working Principles

The MC74HC4094ADR2G operates based on the principle of shifting data through its internal register. The serial data input (DS) receives data bit by bit, which is then shifted through the register upon each clock pulse (CP). The parallel outputs (Q7-Q0) store the shifted data and can be accessed simultaneously. The master reset input (MR) clears the register to a known state, while the output enable input (OE) controls the activation of the parallel outputs.

Detailed Application Field Plans

The MC74HC4094ADR2G finds application in various fields where serial-to-parallel conversion is required. Some common application areas include:

1. LED Matrix Displays: The shift register can be used to control multiple LEDs in a matrix arrangement, allowing for efficient control and reduced pin count.
2. Data Communication Systems: It can be utilized in serial data transmission systems to convert incoming serial data into parallel format for further processing.
3. Industrial Automation: The shift register can be employed in industrial automation systems for controlling multiple actuators or sensors using a single input source.

Detailed and Complete Alternative Models

1. 74HC4094: This is the standard CMOS version of the MC74HC4094ADR2G, offering similar functionality but with slightly different electrical characteristics.
2. CD4094: A popular alternative from Texas Instruments, providing comparable shift register functionality in a different package.

These alternative models can be considered based on specific requirements and availability.

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