SN74HC165DRE4

Product Overview

• Category: Integrated Circuit
• Use: Shift Register
• Characteristics: High-Speed, Serial-In Parallel-Out (SIPO), 8-Bit, 3-State Output
• Package: SOIC-16
• Essence: The SN74HC165DRE4 is a high-speed shift register that allows serial input data to be converted into parallel output data. It is commonly used in applications where multiple inputs need to be processed simultaneously.
• Packaging/Quantity: The SN74HC165DRE4 is available in a standard SOIC-16 package and is typically sold in reels of 2500 units.

Specifications

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

Detailed Pin Configuration

The SN74HC165DRE4 has a total of 16 pins, which are assigned specific functions as follows:

1. SER (Serial Data Input)
2. QA (Parallel Output A)
3. QB (Parallel Output B)
4. QC (Parallel Output C)
5. QD (Parallel Output D)
6. QE (Parallel Output E)
7. QF (Parallel Output F)
8. QG (Parallel Output G)
9. QH (Parallel Output H)
10. CLK (Clock Input)
11. SH/LD (Shift/Load Input)
12. OE (Output Enable Input)
13. GND (Ground)
14. QH' (Serial Output)
15. VCC (Supply Voltage)
16. SER' (Serial Data Input)

Functional Features

• Serial-to-Parallel Conversion: The SN74HC165DRE4 can convert serial input data into parallel output data, allowing for efficient processing of multiple inputs.
• High-Speed Operation: With a propagation delay of only 13ns, the SN74HC165DRE4 is capable of handling high-speed data transfer.
• 3-State Outputs: The parallel outputs of the shift register can be put into a high-impedance state, allowing for easy connection to other devices without interference.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data processing.
• 3-state outputs provide flexibility in connecting to other devices.
• Wide operating voltage range allows for compatibility with various systems.

Disadvantages

• Limited number of bits (8) may not be sufficient for certain applications requiring larger data storage.
• Only available in SOIC-16 package, which may not be suitable for all circuit designs.

Working Principles

The SN74HC165DRE4 operates based on the principle of serial-in parallel-out (SIPO) shift registers. It receives serial input data through the SER pin and shifts it into the register on each rising edge of the CLK signal. The SH/LD pin controls whether the data is shifted or loaded into the register. When the SH/LD pin is low, the data is shifted, and when it is high, the data is loaded into the register. The parallel output data is available at the QA to QH pins.

Detailed Application Field Plans

The SN74HC165DRE4 is commonly used in various applications, including:

1. Data Acquisition Systems: The shift register can be used to capture and process data from multiple sensors simultaneously.
2. Industrial Automation: It can be employed in control systems to handle multiple input signals.
3. LED Matrix Displays: The shift register can be used to control the columns of an LED matrix display, allowing for efficient multiplexing.

Detailed and Complete Alternative Models

• SN74HC165N: DIP-16 package, otherwise similar specifications.
• CD74HC165E: PDIP-16 package, otherwise similar specifications.
• 74HC165D: SOIC-16 package, otherwise similar specifications.

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

This entry provides a comprehensive overview of the SN74HC165DRE4, including its product details, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.