Encyclopedia Entry: 74ACQ374SJ

Product Overview

Category

The 74ACQ374SJ belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for data storage and transfer.

Characteristics

• The 74ACQ374SJ is a high-speed, octal D-type flip-flop with 3-state outputs.
• It operates on a wide voltage range, typically between 2V and 6V.
• This IC offers low power consumption and high noise immunity.
• It has a compact package size, making it suitable for space-constrained applications.

Package and Quantity

The 74ACQ374SJ is available in a small outline integrated circuit (SOIC) package. Each package contains one IC.

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 100 MHz

Pin Configuration

The 74ACQ374SJ has a total of 20 pins, which are arranged as follows:

+----+--+----+ Q0 --|1 +--+ 20 |-- VCC Q1 --|2 19 |-- Q7 Q2 --|3 18 |-- D7 Q3 --|4 17 |-- D6 Q4 --|5 74ACQ374SJ |-- Q5 --|6 16 |-- D5 Q6 --|7 15 |-- D4 Q7 --|8 14 |-- D3 GND -|9 13 |-- D2 OE --|10 12 |-- D1 CP --|11 11 |-- D0 +-------------+

Functional Features

• The 74ACQ374SJ can store and transfer data using its eight flip-flops.
• It supports 3-state outputs, allowing multiple devices to share a common bus.
• The output enable (OE) pin controls the tri-state outputs, enabling or disabling them as needed.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - Wide voltage range allows compatibility with various systems. - Low power consumption helps conserve energy. - Compact package size facilitates integration into small-scale designs.

Disadvantages: - Limited maximum operating frequency compared to some other ICs. - Lack of built-in protection features may require additional circuitry for robustness.

Working Principles

The 74ACQ374SJ operates based on the principles of D-type flip-flops. It stores and transfers data by latching the input signals at the rising edge of the clock pulse. The stored data remains unchanged until the next clock cycle.

Application Field Plans

The 74ACQ374SJ finds applications in various digital electronic systems, including: - Microcontrollers and microprocessors - Data storage devices - Communication systems - Industrial automation equipment

Alternative Models

Other alternative models that provide similar functionality to the 74ACQ374SJ include: - 74HC374: A high-speed CMOS version with compatible pin configuration. - SN74LS374: A low-power Schottky TTL version with similar characteristics.

In conclusion, the 74ACQ374SJ is a versatile integrated circuit used for data storage and transfer in digital electronic systems. Its high-speed operation, wide voltage range, and compact package make it suitable for various applications. However, designers should consider its limitations in terms of maximum operating frequency and lack of built-in protection features.