Encyclopedia Entry: 74ACT377SCX

Product Overview

Category

The 74ACT377SCX belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• The 74ACT377SCX is a high-speed octal D-type flip-flop with a transparent latch.
• It operates on a wide voltage range, typically between 2V and 6V.
• This IC offers low power consumption and high noise immunity.
• It is designed to be compatible with TTL (Transistor-Transistor Logic) inputs and outputs.

Package and Quantity

The 74ACT377SCX is available in a small outline package (SOIC) with 20 pins. It is usually sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 125 MHz
• Propagation Delay Time: 4.5 ns

Pin Configuration

The 74ACT377SCX has 20 pins, each serving a specific function. Here is the detailed pin configuration:

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. CP: Clock pulse input
11. OE: Output enable
12. Q0: Flip-flop output 0
13. Q1: Flip-flop output 1
14. Q2: Flip-flop output 2
15. Q3: Flip-flop output 3
16. Q4: Flip-flop output 4
17. Q5: Flip-flop output 5
18. Q6: Flip-flop output 6
19. Q7: Flip-flop output 7
20. VCC: Power supply

Functional Features

• The 74ACT377SCX can store and manipulate data using its eight D-type flip-flops.
• It has a transparent latch, allowing the inputs to be latched onto the outputs when the clock pulse is high.
• The output enable (OE) pin controls the output state, enabling or disabling the flip-flop outputs.
• This IC operates at high speed, making it suitable for applications requiring quick data storage and retrieval.

Advantages and Disadvantages

Advantages: - Wide voltage range allows compatibility with various systems. - Low power consumption helps conserve energy. - High noise immunity ensures reliable operation in noisy environments. - Compatibility with TTL inputs and outputs simplifies integration into existing systems.

Disadvantages: - Limited maximum operating frequency compared to some newer ICs. - Propagation delay time may affect timing-sensitive applications.

Working Principles

The 74ACT377SCX works by storing data in its eight D-type flip-flops. When the clock pulse is high, the inputs are latched onto the outputs. The output enable pin controls whether the flip-flop outputs are enabled or disabled.

Application Field Plans

The 74ACT377SCX finds applications in various digital electronic systems, including: - Microprocessors and microcontrollers - Data storage systems - Communication devices - Industrial control systems

Alternative Models

If the 74ACT377SCX is not available or suitable for a particular application, alternative models with similar functionality include: - 74HC377: High-speed CMOS octal D-type flip-flop - 74LS377: Low-power Schottky TTL octal D-type flip-flop - CD4013: Dual D-type flip-flop with set and reset

In conclusion, the 74ACT377SCX is a versatile integrated circuit used for data storage and manipulation in digital electronic systems. Its high-speed operation, wide voltage range, and compatibility with TTL inputs and outputs make it a popular choice in various applications.

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