Encyclopedia Entry: 74HCT595D-Q100,118

Product Overview

Category

The 74HCT595D-Q100,118 belongs to the category of integrated circuits (ICs) and specifically falls under the family of shift registers.

Use

This product is primarily used for serial-to-parallel data conversion and parallel-to-serial data conversion in various electronic applications.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Schmitt-trigger action on all inputs
• Output capability: 6 mA at 4.5 V
• Balanced propagation delays
• Direct interface with TTL levels
• Multiple package options available

Package

The 74HCT595D-Q100,118 is typically packaged in a small outline package (SOP) or a thin shrink small outline package (TSSOP). The package type ensures easy integration into circuit boards and provides protection against external factors.

Essence

The essence of the 74HCT595D-Q100,118 lies in its ability to efficiently handle serial and parallel data conversion tasks while maintaining high-speed operation and low power consumption.

Packaging/Quantity

The product is commonly available in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 2 V to 6 V
• Input Voltage Range: -0.5 V to 7 V
• Operating Temperature Range: -40°C to +125°C
• Maximum Clock Frequency: 25 MHz
• Number of Outputs: 8
• Number of Inputs: 3
• Logic Family: HCT

Detailed Pin Configuration

The 74HCT595D-Q100,118 has a total of 16 pins, each serving a specific purpose. The pin configuration is as follows:

1. SER (Serial Data Input)
2. RCLK (Register Clock Input)
3. SRCLK (Shift Register Clock Input)
4. OE (Output Enable Input)
5. QA (Output A)
6. QB (Output B)
7. QC (Output C)
8. QD (Output D)
9. QE (Output E)
10. QF (Output F)
11. QG (Output G)
12. QH (Output H)
13. GND (Ground)
14. VCC (Supply Voltage)
15. MR (Master Reset Input)
16. SRCLR (Shift Register Clear Input)

Functional Features

The 74HCT595D-Q100,118 offers the following functional features:

• Serial-to-parallel data conversion
• Parallel-to-serial data conversion
• High-speed operation for efficient data handling
• Schmitt-trigger action on all inputs for noise immunity
• Direct interface with TTL levels for easy integration
• Output enable input for controlling output states
• Master reset and shift register clear inputs for initialization and clearing operations

Advantages and Disadvantages

Advantages

• High-speed operation allows for quick data processing.
• Low power consumption helps in energy-efficient designs.
• Wide operating voltage range provides flexibility in various applications.
• Schmitt-trigger action on all inputs ensures reliable performance in noisy environments.
• Direct interface with TTL levels simplifies circuit integration.

Disadvantages

• Limited number of outputs may restrict certain applications requiring more outputs.
• Lack of built-in protection features against electrical faults or overvoltage conditions.

Working Principles

The 74HCT595D-Q100,118 operates based on the principles of shift registers. It receives serial data through the SER input and shifts it into an internal register upon receiving a clock signal at the SRCLK input. The RCLK input is used to latch the data from the internal register to the output pins. The OE input enables or disables the outputs, allowing control over the data flow.

Detailed Application Field Plans

The 74HCT595D-Q100,118 finds applications in various fields, including but not limited to:

1. LED Matrix Displays: Controlling multiple LEDs using a minimal number of microcontroller pins.
2. Serial Data Expansion: Expanding the number of available digital outputs for microcontrollers with limited pins.
3. Shift Register Chains: Cascading multiple shift registers to increase the number of outputs.
4. Data Storage and Transfer: Storing and transferring data between different devices or systems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HCT595D-Q100,118 include:

1. 74HC595: A non-automotive version of the same shift register IC.
2. CD4094: An 8-stage serial-in, parallel-out shift register with complementary outputs.
3. SN74LS164: An 8-bit serial-in, parallel-out shift register with asynchronous clear.

These alternative models can be considered based on specific project requirements and