CD74HC4015M

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-Speed, CMOS Logic, Serial-to-Parallel Conversion
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The CD74HC4015M is a 4-bit static shift register that performs serial-to-parallel conversion. It is commonly used in digital electronics for various applications.
• Packaging/Quantity: The CD74HC4015M is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HC (High-Speed CMOS)
• Number of Bits: 4
• Clock Frequency: Up to 25 MHz
• Operating Temperature Range: -40°C to +85°C
• Input/Output Compatibility: TTL (Transistor-Transistor Logic) and CMOS

Pin Configuration

The CD74HC4015M has a total of 16 pins, which are assigned specific functions as follows:

1. SER (Serial Data Input)
2. CLK (Clock Input)
3. Q0 (Parallel Output Bit 0)
4. Q1 (Parallel Output Bit 1)
5. Q2 (Parallel Output Bit 2)
6. Q3 (Parallel Output Bit 3)
7. GND (Ground)
8. Q3' (Complementary Parallel Output Bit 3)
9. Q2' (Complementary Parallel Output Bit 2)
10. Q1' (Complementary Parallel Output Bit 1)
11. Q0' (Complementary Parallel Output Bit 0)
12. MR (Master Reset)
13. VCC (Supply Voltage)
14. DS (Serial Data Input)
15. OE (Output Enable)
16. ST_CP (Storage Register Clock Input)

Functional Features

• Serial-to-Parallel Conversion: The CD74HC4015M can convert serial data into parallel output, allowing for efficient data processing.
• High-Speed Operation: With a clock frequency of up to 25 MHz, this IC enables rapid data transfer and processing.
• CMOS Logic: The use of CMOS technology ensures low power consumption and compatibility with various logic families.
• Complementary Outputs: The complementary outputs provide additional flexibility in circuit design.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data processing. - Low power consumption due to CMOS technology. - Complementary outputs offer design flexibility.

Disadvantages: - Limited number of bits (4) may not be sufficient for certain applications requiring larger data storage. - Sensitivity to electrostatic discharge (ESD) requires proper handling during assembly and usage.

Working Principles

The CD74HC4015M operates based on the principle of shift registers. It receives serial data through the SER or DS input and shifts it through internal flip-flops upon each rising edge of the CLK input. The shifted data is then available at the parallel output pins (Q0-Q3). The complementary outputs (Q0'-Q3') provide inverted versions of the parallel outputs. The MR pin allows for resetting the shift register to its initial state.

Detailed Application Field Plans

The CD74HC4015M finds application in various fields, including:

1. Data Communication Systems: Used for serial-to-parallel conversion in data transmission and reception.
2. Display Systems: Enables driving multiple LEDs or segments in displays.
3. Industrial Automation: Facilitates control and monitoring of devices through parallel data processing.
4. Memory Addressing: Can be utilized for addressing memory locations in certain systems.
5. Digital Counters: Enables counting and storing data in digital counter circuits.

Detailed and Complete Alternative Models

1. SN74HC4015: Similar to CD74HC4015M, but offered by Texas Instruments.
2. MC74HC4015: An alternative option provided by ON Semiconductor.
3. 74HCT4015: A compatible model with TTL input/output levels, manufactured by various companies.

These alternative models offer similar functionality and can be used as replacements for the CD74HC4015M based on specific requirements.

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