Encyclopedia Entry: 74ACT533MTC

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Device
• Characteristics: High-speed, Octal Transparent Latch with 3-State Outputs
• Package: TSSOP-20
• Essence: The 74ACT533MTC is an octal transparent latch with 3-state outputs. It is designed to store and control the flow of digital data in various applications.
• Packaging/Quantity: The 74ACT533MTC is typically sold in reels or tubes containing multiple units.

Specifications

• Logic Family: ACT
• Number of Bits: 8 (Octal)
• Output Type: 3-State
• Latch Type: Transparent
• Operating Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Propagation Delay Time: 6ns (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ACT533MTC has a total of 20 pins arranged as follows:

+---+--+---+ D0 --|1 +--+ 20|-- VCC D1 --|2 |-- GND D2 --|3 |-- Q0 D3 --|4 |-- Q1 D4 --|5 |-- Q2 D5 --|6 |-- Q3 D6 --|7 |-- Q4 D7 --|8 |-- Q5 GND --|9 |-- Q6 OE --|10 |-- Q7 CLK --|11 |-- LE GND --|12 |-- A0 A1 --|13 |-- A2 A3 --|14 |-- A4 A5 --|15 |-- A6 A7 --|16 |-- A8 GND --|17 |-- Qn OE --|18 |-- Qn CLK --|19 |-- LE +----------+

Functional Features

• The 74ACT533MTC is equipped with eight transparent latches, each capable of storing a single bit of digital data.
• It features 3-state outputs, allowing the latched data to be either driven onto the output pins or placed in a high-impedance state.
• The latch is controlled by a clock signal (CLK) and a latch enable signal (LE), providing control over the storage and release of data.
• The output enable signal (OE) allows the outputs to be enabled or disabled as needed.

Advantages and Disadvantages

Advantages: - High-speed operation makes it suitable for applications requiring fast data transfer. - Octal configuration provides flexibility in handling multiple bits of data simultaneously. - 3-state outputs allow for efficient bus sharing and interfacing with other devices.

Disadvantages: - Limited voltage range may restrict its use in certain applications. - Propagation delay time may introduce timing constraints in critical systems.

Working Principles

The 74ACT533MTC operates based on the principles of digital logic. When the latch enable (LE) signal is active and the clock (CLK) signal transitions from low to high, the data present at the inputs (D0-D7) is latched and stored in the corresponding flip-flops. The stored data can then be accessed through the 3-state outputs (Q0-Q7) when the output enable (OE) signal is active.

Detailed Application Field Plans

The 74ACT533MTC can be used in various applications, including: 1. Data storage and retrieval systems 2. Address decoding circuits 3. Bus interface units 4. Memory modules 5. Digital communication systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ACT533MTC include: - 74HC533: High-speed CMOS octal transparent latch - 74LS533: Low-power Schottky TTL octal transparent latch - CD74ACT533: Advanced CMOS octal transparent latch

These alternatives may differ in terms of voltage range, speed, power consumption, and other specifications. It is important to select the appropriate model based on specific application requirements.

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