Encyclopedia Entry: 74F543MSAX

Product Overview

Category

The 74F543MSAX belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This product is primarily used in digital electronic systems for storing and transferring binary data. It serves as a fundamental building block for various applications, including data storage, synchronization, and signal processing.

Characteristics

• The 74F543MSAX is a high-speed octal transparent latch with three-state outputs.
• It operates on a wide voltage range, typically between 4.5V and 5.5V.
• This IC offers excellent noise immunity and robust performance in demanding environments.
• It features eight independent D-type latches with tri-state outputs, allowing for efficient data transfer and control.

Package and Quantity

The 74F543MSAX is available in a small outline package (SOIC) with 20 pins. It is commonly supplied in reels or tubes, with quantities varying based on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz
• Propagation Delay: 6 ns (typical)

Pin Configuration

The pin configuration of the 74F543MSAX is as follows:

┌───┐ D0 ─┤1 20├─ VCC D1 ─┤2 19├─ GND D2 ─┤3 18├─ Q7 D3 ─┤4 17├─ Q6 D4 ─┤5 16├─ Q5 D5 ─┤6 15├─ Q4 D6 ─┤7 14├─ Q3 D7 ─┤8 13├─ Q2 GND ─┤9 12├─ Q1 CLK ─┤10 11├─ Q0 └───┘

Functional Features

• Transparent Latching: The 74F543MSAX allows data to be transparently transferred from the input (D) to the output (Q) when the clock signal (CLK) is active.
• Three-State Outputs: The tri-state outputs (Q0-Q7) provide an additional control mechanism, allowing the outputs to be effectively disconnected from the system bus when not in use.
• High-Speed Operation: With a maximum clock frequency of 100 MHz and a propagation delay of only 6 ns, this IC enables rapid data transfer and processing.

Advantages and Disadvantages

Advantages

• High-speed operation facilitates efficient data handling in time-critical applications.
• Three-state outputs offer enhanced flexibility and bus sharing capabilities.
• Wide voltage range ensures compatibility with various digital systems.
• Robust performance and noise immunity make it suitable for demanding environments.

Disadvantages

• Limited number of latch outputs (8) may restrict its application in larger-scale systems.
• Higher power consumption compared to some low-power alternatives.

Working Principles

The 74F543MSAX operates based on the principles of flip-flops. When the clock signal (CLK) transitions from low to high, the data present at the inputs (D0-D7) is latched and transferred to the corresponding outputs (Q0-Q7). The tri-state outputs allow for control over the connection between the IC and the system bus, enabling efficient data sharing.

Application Field Plans

The 74F543MSAX finds applications in various digital systems, including but not limited to: - Data storage and transfer systems - Synchronous communication interfaces - Address decoding circuits - Memory modules - Arithmetic logic units (ALUs) - Microprocessors and microcontrollers

Alternative Models

For those seeking alternatives to the 74F543MSAX, several similar ICs are available on the market. Some notable alternatives include: - 74HC543: A CMOS-based octal transparent latch with three-state outputs. - 74LS543: A low-power TTL-based octal transparent latch with three-state outputs. - SN54F543: A high-speed octal transparent latch with three-state outputs from Texas Instruments.

These alternative models offer similar functionality and can be considered based on specific requirements and compatibility with existing systems.

In conclusion, the 74F543MSAX is a versatile integrated circuit that provides efficient data storage and transfer capabilities. Its