MM74HC165N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics:
  • High-speed operation
  • Wide operating voltage range
  • Low power consumption
• Package: DIP (Dual In-line Package)
• Essence: The MM74HC165N is a 8-bit parallel-in/serial-out shift register that can be used in various applications requiring data storage and transfer.
• Packaging/Quantity: Available in tubes or reels, with quantities varying based on the supplier.

Specifications

• Operating Voltage Range: 2V to 6V
• Maximum Clock Frequency: 25 MHz
• Number of Input/Output Pins: 16
• Input/Output Logic Level: CMOS/TTL compatible
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MM74HC165N has a total of 16 pins. Here is the detailed pin configuration:

1. SER (Serial Data Input)
2. QH' (Serial Data Output)
3. QH (Serial Data Output)
4. DS (Serial Data Input)
5. SH_CP (Shift Register Clock Input)
6. ST_CP (Storage Register Clock Input)
7. MR (Master Reset Input)
8. GND (Ground)
9. QG (Parallel Data Output)
10. QF (Parallel Data Output)
11. QE (Parallel Data Output)
12. QD (Parallel Data Output)
13. QC (Parallel Data Output)
14. QB (Parallel Data Output)
15. QA (Parallel Data Output)
16. VCC (Power Supply)

Functional Features

• Parallel-to-Serial Conversion: The MM74HC165N can convert parallel data inputs into serial data output.
• Serial Data Transfer: It allows for the transfer of data in a serial manner.
• Cascading: Multiple MM74HC165N shift registers can be cascaded to increase the number of input or output pins.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data transfer. - Wide operating voltage range allows for compatibility with various systems. - Low power consumption helps conserve energy.

Disadvantages: - Limited number of input/output pins (16). - Requires external clock signals for proper operation.

Working Principles

The MM74HC165N operates based on the principle of shifting data bits. It receives parallel data inputs and converts them into a serial data stream. The shift register is controlled by clock signals, which determine the timing of data transfer. The converted serial data can then be used for further processing or storage.

Detailed Application Field Plans

The MM74HC165N can be used in various applications, including but not limited to: 1. Data acquisition systems 2. Serial-to-parallel conversion 3. LED matrix control 4. Keypad scanning 5. Digital signal processing

Alternative Models

Here are some alternative models that can be considered as replacements for the MM74HC165N: 1. SN74HC165N 2. CD74HC165E 3. 74HCT165N 4. MC74HC165AN

These alternatives offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific requirements.

In conclusion, the MM74HC165N is a versatile shift register IC that offers high-speed operation, wide voltage range, and low power consumption. Its ability to convert parallel data to serial data makes it useful in various applications. While it has limitations in terms of pin count, it provides reliable performance and can be easily replaced by alternative models if needed.