CD74HCT164E

Product Overview

• Category: Integrated Circuit
• Use: Shift Register
• Characteristics:
  • High-Speed CMOS Logic
  • 8-Bit Serial-In, Parallel-Out Shift Register
  • Schmitt-Trigger Inputs
  • Buffered Outputs
• Package: PDIP (Plastic Dual In-Line Package)
• Essence: The CD74HCT164E is a high-speed CMOS logic integrated circuit that functions as an 8-bit serial-in, parallel-out shift register. It is commonly used in digital electronics for data storage and transfer applications.
• Packaging/Quantity: The CD74HCT164E is typically available in tubes or reels, with quantities varying depending on the supplier.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -55°C to +125°C
• Propagation Delay: 20ns (max) at 5V
• Input Capacitance: 3.5pF (typical)
• Output Current: ±4mA

Pin Configuration

The CD74HCT164E has a total of 14 pins, which are assigned specific functions as follows:

1. SER (Serial Data Input)
2. QH' (Serial Output)
3. QH (Parallel Output)
4. GND (Ground)
5. A (Data Input)
6. B (Data Input)
7. C (Data Input)
8. D (Data Input)
9. E (Data Input)
10. F (Data Input)
11. G (Data Input)
12. H (Data Input)
13. VCC (Positive Power Supply)
14. CLK (Clock Input)

Functional Features

• Serial-In, Parallel-Out: The CD74HCT164E allows data to be serially inputted and then shifted out in parallel form.
• Schmitt-Trigger Inputs: The Schmitt-trigger inputs ensure reliable and noise-immune operation.
• Buffered Outputs: The buffered outputs provide enhanced signal integrity and drive capability.

Advantages and Disadvantages

Advantages: - High-speed operation - Wide operating voltage range - Schmitt-trigger inputs for noise immunity - Buffered outputs for improved signal integrity

Disadvantages: - Limited number of parallel outputs (8 bits) - Requires an external clock signal for operation

Working Principles

The CD74HCT164E operates based on the principle of sequential data shifting. When a clock signal is applied to the CLK pin, the data at the SER pin is shifted into the shift register. With each clock pulse, the data is shifted one position to the right. The shifted data can be accessed in parallel form at the QH pins.

Detailed Application Field Plans

The CD74HCT164E finds applications in various digital systems where serial-to-parallel data conversion is required. Some common application areas include:

1. Data communication systems
2. Display drivers
3. Industrial automation
4. Robotics
5. Automotive electronics

Detailed and Complete Alternative Models

• SN74HCT164N
• MC74HCT164AN
• 74HCT164D
• CD40164BE

These alternative models offer similar functionality and can be used as replacements for the CD74HCT164E depending on availability and specific requirements.

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