74AHC595D,112

Product Overview

Category

The 74AHC595D,112 belongs to the category of integrated circuits (ICs) and specifically falls under the family of shift registers.

Use

This IC is commonly used for serial-in, parallel-out (SIPO) data shifting applications. It allows users to expand the number of output pins of a microcontroller or other digital devices without using multiple I/O pins.

Characteristics

• High-speed operation: The 74AHC595D,112 operates at high clock frequencies, making it suitable for time-critical applications.
• Low power consumption: This IC is designed to minimize power consumption, making it energy-efficient.
• Wide operating voltage range: It can operate within a wide voltage range, typically from 2V to 6V.
• Output current capability: The 74AHC595D,112 can drive outputs with a maximum current of 35mA.

Package

The 74AHC595D,112 is available in a small-outline integrated circuit (SOIC) package. The SOIC package provides ease of handling and compatibility with standard PCB manufacturing processes.

Essence

The essence of the 74AHC595D,112 lies in its ability to convert serial data into parallel data, allowing for efficient control of multiple output devices using fewer I/O pins.

Packaging/Quantity

The 74AHC595D,112 is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Maximum Clock Frequency: 100MHz
• Output Current: 35mA

Detailed Pin Configuration

The 74AHC595D,112 has a total of 16 pins. The pin configuration is as follows:

1. Serial Data Input (DS)
2. Serial Data Output (QH')
3. Shift Register 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. Positive Supply Voltage (VCC)

Functional Features

The 74AHC595D,112 offers the following functional features:

• Serial-in, parallel-out shifting: It allows for the conversion of serial data into parallel data, enabling control of multiple output devices.
• Cascadable: Multiple ICs can be cascaded to further expand the number of output pins.
• Latch function: The storage register allows for the latching of data, ensuring stable outputs.

Advantages and Disadvantages

Advantages

• Efficient use of I/O pins: The 74AHC595D,112 enables control of multiple output devices using only a few I/O pins.
• Simplified circuit design: By reducing the number of required I/O pins, it simplifies the overall circuit design.
• High-speed operation: It operates at high clock frequencies, making it suitable for time-critical applications.

Disadvantages

• Limited output current: The maximum output current of 35mA may not be sufficient for driving certain high-power devices.
• Requires additional components: To fully utilize its capabilities, additional components such as resistors and capacitors may be needed.

Working Principles

The 74AHC595D,112 utilizes a shift register to convert serial data into parallel data. The serial data is shifted in bit by bit and stored in the shift register. When the storage register clock input is triggered, the data from the shift register is latched into the storage register. The parallel data stored in the storage register can then be accessed through the output pins.

Detailed Application Field Plans

The 74AHC595D,112 finds applications in various fields, including:

1. LED matrix displays: It can be used to control multiple LEDs in a matrix configuration, reducing the number of required I/O pins.
2. Seven-segment displays: By utilizing the shift register's ability to convert serial data into parallel data, it simplifies the control of seven-segment displays.
3. Motor control: The IC can be employed to control multiple motors with limited I/O pins, making it suitable for robotics and automation applications.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74AHC595D,112 include:

• 74HC595: This is a similar IC from the same family but operates at a lower voltage range (2V to 6V).
• TPIC6B595: This IC provides higher output