Encyclopedia Entry: 74ACT573MTC

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Storage and Transfer
• Characteristics: High-Speed, Octal Transparent Latch
• Package: TSSOP-20
• Essence: The 74ACT573MTC is an octal transparent latch that can store and transfer data at high speeds. It is commonly used in digital systems for temporary storage and data transfer between different components.
• Packaging/Quantity: The 74ACT573MTC is typically sold in reels or tubes containing multiple units.

Specifications

• Logic Family: ACT
• Number of Bits: 8 (Octal)
• Latch Type: Transparent
• Input Voltage Range: 2V to 6V
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 5ns (Max)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The 74ACT573MTC has a total of 20 pins arranged as follows:

+---+--+---+ D0 -|1 +--+ 20|- VCC D1 -|2 |- GND D2 -|3 |- LE D3 -|4 |- OE D4 -|5 |- Q0 D5 -|6 |- Q1 D6 -|7 |- Q2 D7 -|8 |- Q3 GND -|9 |- Q4 D8 -|10 |- Q5 D9 -|11 |- Q6 D10 -|12 |- Q7 D11 -|13 |- G D12 -|14 |- CP D13 -|15 |- MR D14 -|16 |- Q7' D15 -|17 |- Q6' OE -|18 |- Q5' LE -|19 |- Q4' GND -|20 |- Q3' +----------+

Functional Features

• The 74ACT573MTC is designed to latch and store data from its inputs (D0-D15) when the latch enable (LE) input is high.
• When the output enable (OE) input is low, the stored data can be transferred to the outputs (Q0-Q7).
• The latch is transparent, meaning that the outputs will follow the inputs as long as the latch enable (LE) input is high.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer in digital systems. - Octal configuration provides a convenient solution for storing and transferring multiple bits of data simultaneously. - Wide operating voltage range (2V to 6V) enables compatibility with various power supply levels.

Disadvantages: - Limited output drive capability may restrict its use in applications requiring higher current sourcing or sinking capabilities. - Propagation delay of 5ns (Max) may introduce timing constraints in certain high-speed applications.

Working Principles

The 74ACT573MTC operates based on the principles of transparent latching. When the latch enable (LE) input is high, the inputs (D0-D15) are latched and stored internally. The stored data can then be transferred to the outputs (Q0-Q7) when the output enable (OE) input is low. The latch remains transparent as long as the latch enable (LE) input is high, allowing the outputs to follow any changes in the inputs.

Detailed Application Field Plans

The 74ACT573MTC is commonly used in various digital systems and applications, including: - Microprocessor-based systems - Data storage and transfer systems - Address decoding circuits - Memory modules - Communication interfaces

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ACT573MTC include: - 74HC573: High-Speed CMOS Octal D-Type Latch - CD74ACT573: Advanced CMOS Octal Transparent Latch - SN74ACT573: Octal D-Type Transparent Latch with 3-State Outputs

These alternative models can be considered based on specific requirements and compatibility with existing designs.

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