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CD74HCT166MT
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CD74HCT166MT

Overview

  • Category: Integrated Circuit
  • Use: Shift Register
  • Characteristics: High-speed, CMOS technology
  • Package: TSSOP-16
  • Essence: Serial-in, parallel-out shift register
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Logic Family: HCT
  • Number of Bits: 8
  • Input Voltage Range: 2V to 6V
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Supply Voltage Range: 4.5V to 5.5V
  • Maximum Clock Frequency: 25 MHz

Pin Configuration

The CD74HCT166MT has a total of 16 pins. The pin configuration is as follows:

  1. SER (Serial Data Input)
  2. QH' (Serial Data Output)
  3. QH (Parallel Data Output)
  4. GND (Ground)
  5. QA (Parallel Data Output)
  6. QB (Parallel Data Output)
  7. QC (Parallel Data Output)
  8. QD (Parallel Data Output)
  9. MR (Master Reset)
  10. CP (Clock Pulse Input)
  11. DS (Serial Data Input)
  12. OE (Output Enable)
  13. QA' (Parallel Data Output)
  14. QB' (Parallel Data Output)
  15. QC' (Parallel Data Output)
  16. VCC (Supply Voltage)

Functional Features

  • Serial-in, parallel-out operation
  • High-speed data transfer
  • CMOS technology for low power consumption
  • Master reset function for clearing the register
  • Output enable control for multiplexing applications

Advantages

  • Fast data transfer rate
  • Low power consumption
  • Compact package size
  • Easy integration into various electronic systems
  • Versatile applications in digital circuits

Disadvantages

  • Limited number of bits (8)
  • Requires external clock signal for operation
  • Sensitivity to voltage fluctuations

Working Principles

The CD74HCT166MT is a serial-in, parallel-out shift register. It accepts data serially through the SER pin and shifts it into the register on each clock pulse applied to the CP pin. The shifted data can be accessed in parallel at the QH' and QH pins. The register can be cleared using the MR pin, and the output can be enabled or disabled using the OE pin.

Application Field Plans

The CD74HCT166MT is widely used in various digital systems and electronic devices. Some of its application fields include:

  1. Data communication systems
  2. Serial-to-parallel data conversion
  3. LED matrix displays
  4. Digital counters and timers
  5. Industrial automation
  6. Robotics
  7. Automotive electronics
  8. Consumer electronics

Alternative Models

  1. SN74HCT166N - DIP-16 package, same functionality as CD74HCT166MT
  2. MC74HCT166AN - PDIP-16 package, same functionality as CD74HCT166MT
  3. 74HCT166 - SOIC-16 package, same functionality as CD74HCT166MT

These alternative models provide similar features and can be used as replacements for the CD74HCT166MT in various applications.

Word count: 440 words

技術ソリューションにおける CD74HCT166MT の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of CD74HCT166MT in technical solutions:

  1. Q: What is CD74HCT166MT? A: CD74HCT166MT is a high-speed CMOS 8-bit parallel-in/serial-out shift register with asynchronous reset.

  2. Q: What are the key features of CD74HCT166MT? A: The key features include high-speed operation, wide operating voltage range, low power consumption, and compatibility with TTL inputs.

  3. Q: How can CD74HCT166MT be used in technical solutions? A: CD74HCT166MT can be used for serial-to-parallel data conversion, data storage, data transfer between different clock domains, and various other applications requiring shift register functionality.

  4. Q: What is the maximum clock frequency supported by CD74HCT166MT? A: CD74HCT166MT supports a maximum clock frequency of typically 80 MHz.

  5. Q: What is the power supply voltage range for CD74HCT166MT? A: The power supply voltage range for CD74HCT166MT is typically between 2V and 6V.

  6. Q: Can CD74HCT166MT handle both TTL and CMOS input levels? A: Yes, CD74HCT166MT is compatible with both TTL and CMOS input levels, making it versatile for use in different systems.

  7. Q: Does CD74HCT166MT have any built-in protection features? A: CD74HCT166MT has built-in diode clamps on all inputs to protect against electrostatic discharge (ESD) and other transient events.

  8. Q: What is the output drive capability of CD74HCT166MT? A: CD74HCT166MT has a symmetrical output impedance and can source/sink up to 4 mA of current.

  9. Q: Can CD74HCT166MT be cascaded to increase the number of parallel inputs? A: Yes, multiple CD74HCT166MT devices can be cascaded together to increase the number of parallel inputs.

  10. Q: Are there any specific layout considerations for using CD74HCT166MT in PCB designs? A: It is recommended to follow proper decoupling techniques, minimize trace lengths, and ensure good signal integrity practices when designing PCB layouts with CD74HCT166MT.

Please note that these answers are general and may vary depending on the specific application and datasheet of CD74HCT166MT.