MC74HC164ADR2G

Product Overview

• Category: Integrated Circuit
• Use: Shift Register
• Characteristics: High-Speed, CMOS Logic, 8-Bit Serial-In/Parallel-Out
• Package: SOIC-14
• Essence: Serial-to-Parallel Data Conversion
• Packaging/Quantity: Tape and Reel, 2500 units per reel

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
• Maximum Clock Frequency: 25 MHz
• Maximum Propagation Delay: 60 ns

Pin Configuration

The MC74HC164ADR2G has a total of 14 pins. The pin configuration is as follows:

1. GND (Ground)
2. A (Serial Data Input)
3. B (Serial Data Output)
4. C (Clock Input)
5. D (Reset Input)
6. QH' (Serial Data Output)
7. QH (Parallel Data Output)
8. QG (Parallel Data Output)
9. QF (Parallel Data Output)
10. QE (Parallel Data Output)
11. QD (Parallel Data Output)
12. QC (Parallel Data Output)
13. QB (Parallel Data Output)
14. VCC (Supply Voltage)

Functional Features

• High-speed operation allows for efficient data transfer.
• CMOS logic ensures low power consumption.
• 8-bit serial-in/parallel-out functionality enables easy conversion between serial and parallel data formats.
• Reset input allows for clearing the shift register.
• Multiple parallel data outputs provide flexibility in connecting to other components.

Advantages and Disadvantages

Advantages: - High-speed operation facilitates fast data transfer. - Low power consumption due to CMOS logic. - Versatile serial-in/parallel-out functionality. - Reset input for clearing the shift register. - Multiple parallel data outputs for flexible connections.

Disadvantages: - Limited voltage range (2V to 6V). - Maximum clock frequency of 25 MHz may not be sufficient for certain applications. - Propagation delay of 60 ns may introduce timing issues in some scenarios.

Working Principles

The MC74HC164ADR2G is a shift register that converts serial data into parallel data. It operates based on the clock input signal, which controls the shifting of data through the register. When the clock signal transitions from low to high, the input data is shifted into the first stage of the register. With each subsequent clock pulse, the data propagates through the register until it reaches the last stage. At this point, the parallel data outputs reflect the contents of the register. The reset input allows for clearing the register and starting the process anew.

Detailed Application Field Plans

The MC74HC164ADR2G can be used in various applications, including:

1. Serial-to-Parallel Data Conversion: The shift register functionality enables efficient conversion of serial data streams into parallel data formats, which is useful in communication systems, data storage devices, and display drivers.

2. Data Multiplexing: By connecting multiple shift registers together, complex data multiplexing schemes can be implemented, allowing for efficient utilization of limited I/O pins in microcontrollers and other digital systems.

3. LED Matrix Control: The parallel data outputs of the shift register can be connected to drive an LED matrix, enabling control of individual LEDs using a minimal number of microcontroller pins.

4. Digital Clocks and Timers: The MC74HC164ADR2G can be utilized in digital clocks and timers to sequentially drive multiple digits or segments, providing a cost-effective solution for displaying time and other numerical information.

Detailed and Complete Alternative Models

1. 74HC164: This is a similar shift register IC with the same functionality, but it comes in a DIP-14 package instead of SOIC-14.

2. SN74HC164: Another alternative from Texas Instruments, offering similar features and performance as the MC74HC164ADR2G.

3. CD74HC164: A CMOS version of the shift register, providing compatibility with a wider voltage range (2V to 18V).

4. 74HCT164: This model offers compatibility with both CMOS and TTL logic levels, making it suitable for mixed-voltage systems.

5. 74LS164: An older technology option that operates on TTL logic levels, offering different trade-offs in terms of speed and power consumption.

In conclusion, the MC74HC164ADR2G is a high-speed CMOS shift register IC that facilitates serial-to-parallel data conversion. Its versatile functionality, low power consumption, and compact package make it suitable for various applications in digital systems. However, designers should consider its limited voltage range, clock frequency, and propagation delay when selecting this IC