CD74HCT166M

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-Speed, CMOS Logic, 8-Bit Parallel-In/Serial-Out
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The CD74HCT166M is a high-speed CMOS logic IC that functions as an 8-bit parallel-in/serial-out shift register.
• Packaging/Quantity: The CD74HCT166M is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HCT
• Number of Bits: 8
• Input Type: Parallel
• Output Type: Serial
• Clock Frequency: Up to 25 MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74HCT166M has a total of 16 pins. Here is the detailed pin configuration:

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

Functional Features

• High-speed operation allows for efficient data transfer.
• CMOS logic ensures low power consumption and compatibility with various systems.
• 8-bit parallel-in/serial-out configuration enables easy data manipulation.
• Master reset input allows for resetting the shift register to a known state.
• Output enable pin provides control over the output stage.

Advantages and Disadvantages

Advantages: - High-speed operation facilitates quick data transfer. - CMOS logic ensures low power consumption. - Versatile 8-bit parallel-in/serial-out configuration. - Reset and output enable pins offer flexibility in controlling the IC's behavior.

Disadvantages: - Limited number of bits (8) may not be sufficient for certain applications requiring larger data storage. - Requires an external clock signal for proper operation.

Working Principles

The CD74HCT166M operates based on the principle of shifting data through its internal registers. The parallel inputs are loaded into the shift register upon receiving a clock pulse. The data is then shifted out serially, one bit at a time, through the serial output pin. The master reset input allows for clearing the register, while the output enable pin controls the availability of the output signals.

Detailed Application Field Plans

The CD74HCT166M can be used in various applications that require data shifting and manipulation. Some potential application fields include:

1. Serial data communication systems
2. Data storage and retrieval systems
3. Industrial automation and control systems
4. Digital signal processing
5. Robotics and motion control systems

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the CD74HCT166M:

1. SN74HC166N by Texas Instruments
2. MC74HC166AN by ON Semiconductor
3. 74HCT166 by NXP Semiconductors
4. CD4015BE by Texas Instruments (dual 4-bit static shift register)

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

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