MM74HC165M

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-Speed, Parallel-In/Serial-Out
• Package: 16-Pin SOIC (Small Outline Integrated Circuit)
• Essence: Serial-to-Parallel Data Conversion
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: HC (High-Speed CMOS)
• Number of Bits: 8
• Input Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 13 ns (typical)
• Output Current: ±6 mA
• Supply Voltage: 2V to 6V
• Power Dissipation: 500 mW (max)

Detailed Pin Configuration

1. SER (Serial Data Input)
2. QH' (Serial Output)
3. CLK (Clock Input)
4. SH/LD (Shift/Load Input)
5. GND (Ground)
6. QH (Parallel Outputs)
7. DS1 (Serial Data Input)
8. DS2 (Serial Data Input)
9. DS3 (Serial Data Input)
10. DS4 (Serial Data Input)
11. DS5 (Serial Data Input)
12. DS6 (Serial Data Input)
13. DS7 (Serial Data Input)
14. VCC (Positive Power Supply)
15. QH' (Serial Output)
16. MR (Master Reset)

Functional Features

• Converts serial data into parallel output
• High-speed operation with minimal propagation delay
• Can be cascaded for larger shift register applications
• Supports both synchronous and asynchronous reset
• Schmitt-trigger inputs for noise immunity
• Low power consumption

Advantages

• Fast and efficient serial-to-parallel data conversion
• Versatile and flexible for various applications
• Easy to integrate into existing circuits
• Wide operating voltage range
• Reliable performance with noise immunity

Disadvantages

• Limited number of bits (8 in this case)
• Requires external clock signal for operation
• Not suitable for applications requiring higher bit counts

Working Principles

The MM74HC165M is a high-speed CMOS shift register IC that converts serial input data into parallel output. It operates by shifting the input data bits into a chain of flip-flops, which are then latched onto the parallel outputs upon receiving a load signal. The clock input controls the shifting of data, while the master reset allows for synchronous or asynchronous resetting of the register.

Detailed Application Field Plans

The MM74HC165M can be used in various applications, including:

1. Serial-to-Parallel Data Conversion: Used in communication systems to convert serial data streams into parallel format for further processing.
2. Data Storage and Retrieval: Enables efficient storage and retrieval of data in microcontrollers and memory devices.
3. Input Expansion: Expands the number of input pins available in microcontrollers, allowing for increased connectivity.
4. LED Matrix Control: Facilitates control of LED matrices by converting serially transmitted data into parallel outputs.
5. Keypad Scanning: Used in keypads to scan and process multiple key inputs simultaneously.

Detailed and Complete Alternative Models

1. SN74HC165N: Similar shift register IC from Texas Instruments, with identical functionality and pin configuration.
2. CD74HC165E: Another alternative from Texas Instruments, offering the same features and package type.
3. 74HCT165: A compatible shift register IC from NXP Semiconductors, with slightly different electrical characteristics.

(Note: These alternative models are provided as examples and may not cover all available options in the market.)

In conclusion, the MM74HC165M is a high-speed CMOS shift register IC that offers efficient serial-to-parallel data conversion. With its versatile applications and reliable performance, it serves as a valuable component in various electronic systems.