CD74HC4015E

Product Overview

• Category: Integrated Circuit
• Use: Shift Register
• Characteristics: High-speed, CMOS Logic, Serial-to-Parallel Conversion
• Package: DIP (Dual In-line Package)
• Essence: 8-bit Static Shift Register with Asynchronous Clear
• Packaging/Quantity: Tube/25 pieces

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V
• Low-Level Input Voltage: 0.8V
• High-Level Output Current: -4mA
• Low-Level Output Current: 4mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74HC4015E has a total of 16 pins, which are assigned specific functions as follows:

1. SER (Serial Data Input)
2. CLK (Clock Input)
3. CLR (Clear Input)
4. Q1 (Parallel Output 1)
5. Q2 (Parallel Output 2)
6. Q3 (Parallel Output 3)
7. Q4 (Parallel Output 4)
8. Q5 (Parallel Output 5)
9. Q6 (Parallel Output 6)
10. Q7 (Parallel Output 7)
11. Q8 (Parallel Output 8)
12. GND (Ground)
13. QH (Serial Output)
14. VCC (Positive Power Supply)
15. QH' (Complementary Serial Output)
16. NC (Not Connected)

Functional Features

• Serial-to-Parallel Conversion: The CD74HC4015E can convert serial data into parallel outputs.
• Asynchronous Clear: The asynchronous clear input (CLR) allows the user to reset the shift register at any time.
• High-Speed Operation: This IC operates at high speeds, making it suitable for applications that require fast data processing.
• CMOS Logic: The CD74HC4015E utilizes CMOS logic, which provides low power consumption and high noise immunity.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data processing. - CMOS logic ensures low power consumption. - Asynchronous clear input allows for easy reset of the shift register.

Disadvantages: - Limited voltage supply range (2V to 6V). - Not suitable for applications requiring higher output currents.

Working Principles

The CD74HC4015E is a static shift register that performs serial-to-parallel conversion. It consists of eight flip-flops connected in series. The serial data input (SER) is shifted through the flip-flops with each clock pulse (CLK). The parallel outputs (Q1-Q8) store the shifted data, which can be accessed simultaneously. The asynchronous clear input (CLR) resets all the flip-flops when activated.

Detailed Application Field Plans

The CD74HC4015E is commonly used in various applications, including:

1. Data Communication Systems: Used for serial-to-parallel conversion in communication protocols.
2. LED Display Control: Enables control of multiple LEDs using fewer pins on microcontrollers.
3. Digital Counters: Utilized as a building block for creating digital counters and frequency dividers.
4. Shift Register Applications: Suitable for applications requiring serial data storage and parallel output.

Detailed and Complete Alternative Models

1. SN74HC4015: Similar functionality, but available in surface-mount package (SOIC).
2. CD4015BE: Dual 4-bit static shift register with similar characteristics and pin configuration.
3. MC74HC4015: High-speed CMOS logic shift register with asynchronous clear.

Note: These alternative models offer similar features and can be used as replacements based on specific requirements.

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