Encyclopedia Entry: 74LVC595APW,112

Product Overview

Category

The 74LVC595APW,112 belongs to the category of integrated circuits (ICs) and specifically falls under the family of shift registers.

Use

This product is commonly used in digital electronics for serial-to-parallel data conversion, allowing efficient control of multiple output devices using a minimal number of pins.

Characteristics

• Low-voltage CMOS technology
• High-speed operation
• Wide operating voltage range
• Serial input and parallel output functionality
• Cascadable for expanding the number of outputs
• Output capability of driving up to 15 low-power Schottky TTL loads

Package

The 74LVC595APW,112 is available in a TSSOP (Thin Shrink Small Outline Package) package. This package offers a compact size, making it suitable for space-constrained applications.

Essence

The essence of the 74LVC595APW,112 lies in its ability to efficiently control multiple output devices using a minimal number of pins, simplifying circuit design and reducing component count.

Packaging/Quantity

The 74LVC595APW,112 is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Input Voltage Levels:
  • High-Level Input Voltage: 0.7 x VCC to VCC + 0.3V
  • Low-Level Input Voltage: -0.3V to 0.3V
• Output Voltage Levels:
  • High-Level Output Voltage: VCC - 0.4V
  • Low-Level Output Voltage: 0.4V
• Maximum Clock Frequency: 100 MHz

Detailed Pin Configuration

The 74LVC595APW,112 has a total of 20 pins. The pin configuration is as follows:

1. Serial Data Input (DS)
2. Serial Data Output (QH')
3. Serial Clock Input (SHCP)
4. Storage Register Clock Input (STCP)
5. Master Reset Input (MR)
6. Output Enable Input (OE)
7. Q0 Output
8. Q1 Output
9. Q2 Output
10. Q3 Output
11. Q4 Output
12. Q5 Output
13. Q6 Output
14. Q7 Output
15. Ground (GND)
16. Q7' Output
17. Shift Register Clock Input (SRCP)
18. Serial Data Output (QH)
19. VCC (Positive Power Supply)
20. VCC (Positive Power Supply)

Functional Features

The 74LVC595APW,112 offers the following functional features:

1. Serial-to-parallel data conversion: It can convert serial input data into parallel output data, allowing control of multiple output devices.
2. Cascadable: Multiple shift registers can be connected in series to expand the number of outputs without requiring additional control pins.
3. High-speed operation: The IC operates at high clock frequencies, enabling rapid data transfer.
4. Output enable functionality: The output enable pin allows for easy control of the output state.

Advantages and Disadvantages

Advantages

• Efficient use of pins: Enables control of multiple output devices using a minimal number of pins.
• Compact size: The TSSOP package offers a small footprint, making it suitable for space-constrained applications.
• Wide operating voltage range: Can operate within a broad range of supply voltages.
• High-speed operation: Allows for rapid data transfer.

Disadvantages

• Limited output current: The IC is designed for driving low-power loads and may not be suitable for high-current applications.
• Lack of built-in protection features: Additional external circuitry may be required to protect the IC from voltage spikes or other electrical disturbances.

Working Principles

The 74LVC595APW,112 operates based on the principle of serial-to-parallel data conversion. It receives serial input data through the DS pin and shifts it into an internal shift register using the SHCP (Serial Clock Input) signal. The STCP (Storage Register Clock Input) signal latches the data from the shift register into the storage register. The parallel output data can then be accessed from the Q0 to Q7 pins.

Detailed Application Field Plans

The 74LVC595APW,112 finds applications in various fields, including:

1. LED Matrix Displays: It can be used to control multiple LEDs in a matrix configuration, enabling dynamic patterns and animations.
2. Seven-Segment Displays: The IC can drive multiple seven-segment displays, allowing the display of numeric or