CD74HC166E

Product Overview

• Category: Integrated Circuit
• Use: Shift Register
• Characteristics: High-Speed, CMOS Logic, Serial-to-Parallel Conversion
• Package: 16-Pin DIP (Dual Inline Package)
• Essence: The CD74HC166E is a high-speed CMOS logic integrated circuit that performs serial-to-parallel conversion. It is commonly used in digital electronics for applications such as data storage, signal processing, and control systems.
• Packaging/Quantity: The CD74HC166E is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Input Current: ±1µA
• Output Current: ±5mA
• Propagation Delay: 13ns (typical)
• Number of Stages: 8

Pin Configuration

The CD74HC166E has a total of 16 pins, which are assigned specific functions as follows:

1. SER (Serial Data Input)
2. CLK (Clock Input)
3. P/S (Parallel/Serial Control Input)
4. QH' (Serial Output)
5. QH (Serial Output)
6. QG (Parallel Output)
7. QF (Parallel Output)
8. QE (Parallel Output)
9. QD (Parallel Output)
10. QC (Parallel Output)
11. QB (Parallel Output)
12. QA (Parallel Output)
13. GND (Ground)
14. VCC (Positive Power Supply)
15. MR (Master Reset)
16. OE (Output Enable)

Functional Features

• Serial-to-Parallel Conversion: The CD74HC166E can convert serial data into parallel outputs, allowing for efficient data processing and storage.
• High-Speed Operation: With a propagation delay of only 13ns, the CD74HC166E is capable of handling high-speed data transfer.
• CMOS Logic: The use of CMOS technology ensures low power consumption and compatibility with a wide range of digital systems.

Advantages and Disadvantages

Advantages: - Fast operation speed - Low power consumption - Wide operating voltage range - Compact package size

Disadvantages: - Limited number of parallel outputs (8 in total) - Requires external clock signal for proper operation

Working Principles

The CD74HC166E operates by shifting data from the serial input (SER) to the parallel outputs (QA-QH) based on the clock signal (CLK). The parallel/serial control input (P/S) determines whether the device operates in serial or parallel mode. When in serial mode, the data is shifted through each stage, while in parallel mode, the data is latched and output simultaneously.

Detailed Application Field Plans

The CD74HC166E can be used in various applications, including:

1. Data Storage: It can be used to store and retrieve data in microcontrollers, memory systems, and communication devices.
2. Signal Processing: The shift register can be employed for signal conditioning, filtering, and manipulation in audio, video, and sensor systems.
3. Control Systems: It can be utilized in control systems to manage and process digital signals for motor control, robotics, and automation.

Detailed and Complete Alternative Models

1. SN74HC166N: This is a similar shift register IC manufactured by Texas Instruments, offering comparable specifications and functionality.
2. CD4015BE: Although not a direct alternative, this dual 4-bit static shift register can be used in certain applications requiring parallel-to-serial conversion.

Please note that the above alternatives are just a few examples, and there are several other shift register ICs available in the market with varying specifications and features.

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