Encyclopedia Entry: 74AC377MTCX

Product Overview

Category

The 74AC377MTCX belongs to the category of integrated circuits (ICs) and specifically falls under the category of flip-flops.

Use

This product is commonly used in digital electronics for storing and manipulating binary data. It serves as a memory element that can retain its state until it is changed by an external signal.

Characteristics

• The 74AC377MTCX is a quad D-type flip-flop with a common clock and clear input.
• It operates on a wide voltage range, typically between 2V and 6V.
• The flip-flop has a high-speed operation, making it suitable for applications requiring quick data storage and retrieval.
• It offers low power consumption, making it energy-efficient.
• The product is designed to be resistant to noise and interference, ensuring reliable performance.

Package and Quantity

The 74AC377MTCX is available in a small outline surface mount package (TSSOP-20). It is typically sold in reels or tubes containing multiple units, with quantities varying depending on the supplier.

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
• Propagation Delay Time: 7 ns (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74AC377MTCX has a total of 20 pins, which are assigned specific functions as follows:

1. D1: Data input for flip-flop 1
2. CP: Common clock input
3. D2: Data input for flip-flop 2
4. D3: Data input for flip-flop 3
5. D4: Data input for flip-flop 4
6. CCLR: Clear input (active low)
7. Q1: Output of flip-flop 1
8. Q̅1: Complementary output of flip-flop 1
9. Q2: Output of flip-flop 2
10. Q̅2: Complementary output of flip-flop 2
11. Q3: Output of flip-flop 3
12. Q̅3: Complementary output of flip-flop 3
13. Q4: Output of flip-flop 4
14. Q̅4: Complementary output of flip-flop 4
15. GND: Ground
16. NC: No connection
17. NC: No connection
18. VCC: Positive power supply
19. NC: No connection
20. NC: No connection

Functional Features

• The 74AC377MTCX operates as a positive-edge-triggered flip-flop, meaning it captures and stores data on the rising edge of the clock signal.
• It has a synchronous design, ensuring that all flip-flops within the IC change their state simultaneously.
• The clear input (CCLR) allows for resetting all flip-flops to a known state when activated.
• The complementary outputs (Q̅1, Q̅2, Q̅3, Q̅4) provide inverted versions of the corresponding outputs (Q1, Q2, Q3, Q4).

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data processing.
• Wide voltage range compatibility allows for versatile applications.
• Low power consumption contributes to energy efficiency.
• Noise-resistant design ensures reliable performance in various environments.

Disadvantages

• Limited number of flip-flops (4) may not be sufficient for complex applications requiring a higher count.
• The small outline surface mount package may pose challenges for manual soldering or prototyping.

Working Principles

The 74AC377MTCX operates based on the principles of sequential logic. It utilizes flip-flops to store and manipulate binary data. On the rising edge of the clock signal, the input data is captured and stored in the flip-flops. The stored data remains unchanged until a new input is received or the clear input is activated. The complementary outputs provide both the original and inverted versions of the stored data.

Detailed Application Field Plans

The 74AC377MTCX finds applications in various digital systems where data storage and manipulation are required. Some specific application fields include:

1. Microprocessors and microcontrollers
2. Data communication systems
3. Memory modules
4. Control systems
5. Digital signal processing

Alternative Models

For users seeking alternative options, the following models can be considered: