Encyclopedia Entry: 74AHC594PW,118

Product Overview

Category

The 74AHC594PW,118 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for data storage and shift register applications.

Characteristics

• High-speed operation
• Wide supply voltage range
• Low power consumption
• Schmitt-trigger action on all inputs
• Balanced propagation delays
• Direct interface with TTL levels
• Multiple package options available

Package

The 74AHC594PW,118 is packaged in a TSSOP (Thin Shrink Small Outline Package) format.

Essence

The essence of the 74AHC594PW,118 lies in its ability to efficiently store and shift data within electronic systems.

Packaging/Quantity

The IC is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: -0.5 V to VCC + 0.5 V
• Output Voltage Range: GND to VCC
• Operating Temperature Range: -40°C to +125°C
• Maximum Clock Frequency: 100 MHz

Detailed Pin Configuration

The 74AHC594PW,118 features a total of 16 pins, each serving a specific purpose:

1. Q0: Serial output pin
2. Q1: Serial output pin
3. Q2: Serial output pin
4. Q3: Serial output pin
5. Q4: Serial output pin
6. Q5: Serial output pin
7. Q6: Serial output pin
8. Q7: Serial output pin
9. GND: Ground pin
10. SER: Serial data input pin
11. RCLK: Register clock input pin
12. SRCLK: Shift register clock input pin
13. OE: Output enable input pin
14. MR: Master reset input pin
15. VCC: Positive supply voltage pin
16. Q7' (Q7 Prime): Serial output pin with inverted data

Functional Features

The 74AHC594PW,118 offers the following functional features:

• Serial-in to parallel-out shift register functionality
• Cascadable for larger shift register applications
• Output enable control for multiplexing purposes
• Master reset for clearing the shift register
• Schmitt-trigger action on all inputs for noise immunity

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer
• Wide supply voltage range enables compatibility with various systems
• Low power consumption contributes to energy efficiency
• Schmitt-trigger action on inputs enhances noise immunity
• Direct interface with TTL levels simplifies integration

Disadvantages

• Limited maximum clock frequency of 100 MHz may restrict certain high-speed applications
• TSSOP package format may require careful handling during assembly

Working Principles

The 74AHC594PW,118 operates based on the principles of serial-in to parallel-out shift registers. It receives serial data through the SER pin and shifts it into the internal register upon each rising edge of the SRCLK input. The RCLK input is used to latch the data from the internal register onto the output pins. The IC also incorporates an output enable control (OE) to disable the outputs when necessary.

Detailed Application Field Plans

The 74AHC594PW,118 finds application in various fields, including but not limited to:

1. LED Matrix Displays: The IC can be used to control the display of LEDs in a matrix configuration, enabling dynamic patterns and animations.
2. Data Storage Systems: It can serve as a component in data storage systems where efficient shift register functionality is required.
3. Communication Devices: The IC can be utilized in communication devices for data transmission and reception purposes.

Detailed and Complete Alternative Models

1. 74HC595: Similar to the 74AHC594PW,118, this IC offers serial-in to parallel-out shift register functionality with a different package format.
2. CD4094: This IC provides similar shift register capabilities but operates at a lower clock frequency.

In conclusion, the 74AHC594PW,118 is a versatile integrated circuit that excels in data storage and shift register applications. Its high-speed operation, wide supply voltage range, and low power consumption make it suitable for various electronic systems. While it has certain limitations, such as its maximum clock frequency and package format, alternative models are available to cater to specific requirements.