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74HC165N,652
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74HC165N,652

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Shift Register
  • Characteristics: Serial-In, Parallel-Out (SIPO) shift register
  • Package: DIP-16 (Dual In-line Package with 16 pins)
  • Essence: The 74HC165N,652 is a high-speed CMOS shift register that can be used to convert serial data into parallel data.
  • Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Supply Voltage Range: 2V to 6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Clock Frequency: 100 MHz
  • Operating Temperature Range: -40°C to +125°C
  • Power Dissipation: 500mW

Detailed Pin Configuration

The 74HC165N,652 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. QE (Parallel Data Output)
  10. QF (Parallel Data Output)
  11. QG (Parallel Data Output)
  12. QH (Parallel Data Output)
  13. MR (Master Reset)
  14. SH/LD (Shift/Load)
  15. CLK (Clock Input)
  16. VCC (Supply Voltage)

Functional Features

  • Serial-to-parallel conversion: The 74HC165N,652 can convert serial data input into parallel data output.
  • Cascadable: Multiple 74HC165N,652 ICs can be cascaded to increase the number of input and output lines.
  • High-speed operation: The IC operates at a maximum clock frequency of 100 MHz, allowing for fast data transfer.

Advantages and Disadvantages

Advantages: - Easy integration: The IC is compatible with other CMOS logic families, making it easy to integrate into existing circuits. - Compact size: The DIP-16 package ensures a compact footprint, saving space on circuit boards. - Low power consumption: The IC has low power dissipation, making it suitable for battery-powered applications.

Disadvantages: - Limited voltage range: The supply voltage range is limited to 2V to 6V, which may not be suitable for all applications. - Lack of built-in protection features: The IC does not have built-in protection against overvoltage or ESD events, requiring additional external protection measures.

Working Principles

The 74HC165N,652 operates based on the principle of serial-in, parallel-out (SIPO) shift register. It receives serial data through the SER pin and shifts it into its internal register on each rising edge of the CLK signal. The SH/LD pin controls the shift/load operation. When SH/LD is low, the IC shifts the data; when SH/LD is high, the data is loaded into the parallel outputs.

Detailed Application Field Plans

The 74HC165N,652 can be used in various applications, including: 1. Data acquisition systems 2. Serial-to-parallel conversion in microcontrollers 3. Parallel input expansion in digital systems 4. LED matrix control 5. Keypad scanning

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HC165N,652 are: - CD74HC165E from Texas Instruments - SN74HC165N from Texas Instruments - MC74HC165AN from ON Semiconductor - 74HCT165N from NXP Semiconductors

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

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng 74HC165N,652 sa mga teknikal na solusyon

Sure! Here are 10 common questions and answers related to the application of 74HC165N,652:

  1. Q: What is the 74HC165N,652? A: The 74HC165N,652 is a shift register IC (Integrated Circuit) that can be used to expand the number of input pins on a microcontroller or other digital devices.

  2. Q: How many input pins does the 74HC165N,652 have? A: The 74HC165N,652 has 8 input pins.

  3. Q: Can I daisy-chain multiple 74HC165N,652 ICs together? A: Yes, you can daisy-chain multiple 74HC165N,652 ICs together to further expand the number of input pins.

  4. Q: What is the maximum clock frequency for the 74HC165N,652? A: The maximum clock frequency for the 74HC165N,652 is typically around 25 MHz.

  5. Q: How do I connect the 74HC165N,652 to a microcontroller? A: You need to connect the data (Q7) pin of the 74HC165N,652 to a digital input pin on the microcontroller, and also connect the clock (CLK) and latch enable (LE) pins to appropriate control pins on the microcontroller.

  6. Q: Can the 74HC165N,652 be used with both 3.3V and 5V microcontrollers? A: Yes, the 74HC165N,652 is compatible with both 3.3V and 5V microcontrollers as it operates at a wide voltage range (2V to 6V).

  7. Q: How do I read the input values from the 74HC165N,652? A: You need to send a clock pulse to the CLK pin, and then latch the input values by toggling the LE (latch enable) pin. After that, you can read the input values from the Q7 pin.

  8. Q: Can I use the 74HC165N,652 for both digital and analog inputs? A: No, the 74HC165N,652 is designed for digital inputs only. It cannot be used for analog inputs.

  9. Q: What is the power supply voltage range for the 74HC165N,652? A: The power supply voltage range for the 74HC165N,652 is typically between 2V and 6V.

  10. Q: Are there any application examples for the 74HC165N,652? A: Yes, some common applications include keypad scanning, reading multiple switches or buttons, expanding the number of input pins on microcontrollers, and parallel-to-serial data conversion.

Please note that these answers are general and may vary depending on specific circuit configurations and requirements.