Encyclopedia Entry: 74ACQ373SC

Product Overview

Category

The 74ACQ373SC belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This IC is commonly used in digital electronics for storing and transferring data. It serves as an octal transparent latch with three-state outputs.

Characteristics

• Octal transparent latch
• Three-state outputs
• High-speed operation
• Low power consumption
• Wide operating voltage range

Package

The 74ACQ373SC is available in a standard 20-pin small outline integrated circuit (SOIC) package.

Essence

The essence of the 74ACQ373SC lies in its ability to store and transfer data efficiently, making it an essential component in various digital systems.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with each reel containing approximately 2500 units.

Specifications

• Supply Voltage Range: 2V to 6V
• 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: 5 ns

Detailed Pin Configuration

The 74ACQ373SC has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

1. D0: Data input 0
2. D1: Data input 1
3. D2: Data input 2
4. D3: Data input 3
5. D4: Data input 4
6. D5: Data input 5
7. D6: Data input 6
8. D7: Data input 7
9. GND: Ground
10. Q0: Output 0
11. Q1: Output 1
12. Q2: Output 2
13. Q3: Output 3
14. Q4: Output 4
15. Q5: Output 5
16. Q6: Output 6
17. Q7: Output 7
18. OE: Output enable
19. CP: Clock pulse input
20. VCC: Supply voltage

Functional Features

The key functional features of the 74ACQ373SC include:

• Transparent latch operation
• Three-state outputs for bus-oriented applications
• High-speed data transfer
• Non-inverting outputs
• Direct interface with TTL levels
• Low power consumption

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer.
• Wide operating voltage range enables compatibility with various systems.
• Three-state outputs facilitate bus-oriented applications.
• Low power consumption helps conserve energy.

Disadvantages

• Limited number of output pins (8 in total).
• Requires an external clock pulse for proper operation.
• Sensitive to electrostatic discharge (ESD) and requires proper handling.

Working Principles

The 74ACQ373SC operates based on the principles of transparent latch functionality. When the clock pulse (CP) is active, the data inputs (D0-D7) are latched and transferred to the corresponding outputs (Q0-Q7). The output enable (OE) pin controls the three-state outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

The 74ACQ373SC finds extensive application in various digital systems, including but not limited to:

1. Microprocessors and microcontrollers
2. Data storage systems
3. Communication devices
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

There are several alternative models available in the market that offer similar functionality to the 74ACQ373SC. Some notable alternatives include:

1. 74HC373: High-speed CMOS octal D-type latch
2. CD74ACT373: Octal transparent latch with 3-state outputs
3. SN74LS373: Octal D-type transparent latch

These alternative models can be considered based on specific project requirements, availability, and cost considerations.

In conclusion, the 74ACQ373SC is a versatile integrated circuit used for data storage and transfer in digital systems. Its high-speed operation, low power consumption, and compatibility with various systems make it a popular choice in numerous applications across different industries.

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