CD74HCT165M

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: Serial-to-Parallel Data Conversion
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -55°C to +125°C
• Maximum Clock Frequency: 25 MHz
• Number of Bits: 8
• Logic Family: HCT (High-Speed CMOS)

Detailed Pin Configuration

The CD74HCT165M has a total of 16 pins. The pin configuration is as follows:

1. SER (Serial Data Input)
2. QH' (Serial Data Output)
3. CLK (Clock Input)
4. GND (Ground)
5. D7 (Parallel Data Input)
6. D6 (Parallel Data Input)
7. D5 (Parallel Data Input)
8. D4 (Parallel Data Input)
9. D3 (Parallel Data Input)
10. D2 (Parallel Data Input)
11. D1 (Parallel Data Input)
12. D0 (Parallel Data Input)
13. MR (Master Reset)
14. QA (Parallel Data Output)
15. QB (Parallel Data Output)
16. VCC (Supply Voltage)

Functional Features

• Serial-to-Parallel Data Conversion: The CD74HCT165M can convert serial data input into parallel data output.
• High-Speed Operation: With a maximum clock frequency of 25 MHz, it enables fast data transfer.
• CMOS Logic: The HCT logic family provides low power consumption and high noise immunity.
• 8-Bit Parallel-In/Serial-Out: It can handle 8 bits of parallel data input and provide serial data output.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data transfer. - CMOS logic ensures low power consumption. - Compact SOIC package saves space on the circuit board. - Wide supply voltage range (2V to 6V) provides flexibility in different applications.

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

Working Principles

The CD74HCT165M is a shift register that performs serial-to-parallel data conversion. It receives serial data input through the SER pin and shifts it into its internal register with each clock pulse received at the CLK pin. The parallel data output is available at the QA to QH' pins. The MR pin is used to reset the register to its initial state.

Detailed Application Field Plans

The CD74HCT165M is commonly used in various applications, including:

1. Data Communication Systems: It can be used for serial-to-parallel conversion in communication protocols such as UART (Universal Asynchronous Receiver-Transmitter).
2. Industrial Control Systems: It finds application in control systems where parallel data needs to be converted from a serial source.
3. Digital Displays: It can be utilized to interface with LED or LCD displays, converting serial data into parallel format for driving individual segments or pixels.
4. Data Logging: It can be employed in data logging systems to capture and store parallel data from a serial data stream.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the CD74HCT165M are:

1. SN74HC165N: This IC also provides 8-bit parallel-in/serial-out shift register functionality and operates at a wide supply voltage range.
2. CD4021BE: It is an 8-bit parallel-in/serial-out shift register with similar characteristics, but it operates at a lower clock frequency.
3. 74HC595: This IC offers serial-in/parallel-out functionality, allowing for parallel data output from a serial input.

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

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