CD74HCT164M

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-Speed, CMOS Logic, 8-Bit Serial-In/Parallel-Out
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The CD74HCT164M is a high-speed CMOS logic IC that functions as an 8-bit serial-in/parallel-out shift register. It is commonly used in digital electronics for data storage and transfer applications.
• Packaging/Quantity: The CD74HCT164M is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HCT
• Number of Bits: 8
• Serial Data Input: Yes
• Parallel Data Output: Yes
• Clock Input: Yes
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 15 ns (max)
• Output Current: ±4 mA

Pin Configuration

The CD74HCT164M has a total of 14 pins, which are assigned specific functions as follows:

1. VCC: Supply Voltage
2. SER: Serial Data Input
3. QA: Parallel Data Output A
4. QB: Parallel Data Output B
5. QC: Parallel Data Output C
6. QD: Parallel Data Output D
7. QE: Parallel Data Output E
8. QF: Parallel Data Output F
9. QG: Parallel Data Output G
10. QH: Parallel Data Output H
11. GND: Ground
12. CLK: Clock Input
13. MR: Master Reset Input
14. OE: Output Enable Input

Functional Features

• High-speed operation allows for efficient data transfer.
• CMOS logic ensures low power consumption and compatibility with a wide range of digital systems.
• Serial-in/parallel-out functionality enables easy conversion between serial and parallel data formats.
• Master reset input allows for resetting the shift register to its initial state.
• Output enable input provides control over the parallel data outputs.

Advantages and Disadvantages

Advantages: - High-speed operation facilitates rapid data transfer. - Low power consumption due to CMOS technology. - Versatile functionality with serial-in/parallel-out conversion capability. - Compact SOIC package allows for space-efficient integration into electronic circuits.

Disadvantages: - Limited number of bits (8) may not be sufficient for certain applications requiring larger data storage capacities. - Propagation delay of 15 ns (max) may introduce timing constraints in high-speed applications.

Working Principles

The CD74HCT164M operates based on the principles of sequential logic. It receives serial data through the SER pin and shifts it into the shift register upon each rising edge of the clock signal applied to the CLK pin. The shifted data is then available in parallel form at the output pins QA to QH. The master reset input (MR) allows for clearing the shift register, while the output enable input (OE) controls the activation of the parallel data outputs.

Detailed Application Field Plans

The CD74HCT164M finds application in various fields, including:

1. Digital Communication Systems: Used for data serialization and deserialization tasks.
2. Display Drivers: Enables efficient control of LED or LCD display modules.
3. Data Storage Systems: Facilitates data transfer and storage in memory devices.
4. Industrial Automation: Utilized in control systems for sequential operations.
5. Automotive Electronics: Integrated into automotive control units for data processing.

Detailed and Complete Alternative Models

1. SN74HCT164N: Similar 8-bit serial-in/parallel-out shift register IC from Texas Instruments.
2. CD4015BE: Dual 4-stage static shift register IC from Texas Instruments.
3. 74HC595: 8-bit serial-in/parallel-out shift register IC from various manufacturers.

These alternative models offer similar functionality and can be used as substitutes for the CD74HCT164M in different applications.

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