Encyclopedia Entry: 74ACT377MTCX

Product Overview

Category

The 74ACT377MTCX 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 latch or register, allowing for the storage and retrieval of information in sequential logic circuits.

Characteristics

• The 74ACT377MTCX is a high-speed, octal D-type flip-flop with a common clock and clear input.
• It operates on a wide voltage range, typically between 2V and 6V, making it compatible with various digital systems.
• This IC offers excellent noise immunity, ensuring reliable operation even in noisy environments.
• It features a compact package, measuring approximately 5mm x 4mm, which makes it suitable for space-constrained applications.
• The 74ACT377MTCX is designed to provide efficient and reliable data storage and transfer capabilities.

Package and Quantity

The 74ACT377MTCX is available in a small outline surface mount package (TSSOP) with 20 pins. 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 + 0.3V
• Low-Level Input Voltage: -0.3V to 0.8V
• High-Level Output Voltage: VCC - 0.3V
• Low-Level Output Voltage: 0.3V
• Maximum Clock Frequency: 200MHz
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The 74ACT377MTCX 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. CP: Clock Pulse Input
11. CEP: Clock Enable Input
12. CET: Clock Enable Input (Complementary)
13. OE: Output Enable Input
14. Q0: Flip-Flop Output 0
15. Q1: Flip-Flop Output 1
16. Q2: Flip-Flop Output 2
17. Q3: Flip-Flop Output 3
18. Q4: Flip-Flop Output 4
19. Q5: Flip-Flop Output 5
20. VCC: Supply Voltage

Functional Features

• The 74ACT377MTCX operates as an octal D-type flip-flop, allowing for the storage of eight individual bits of data.
• It features a common clock input (CP) that synchronizes the transfer of data from the inputs to the outputs.
• The IC incorporates clock enable inputs (CEP and CET) that control the clocking operation, enabling or disabling the transfer of data based on their respective logic levels.
• An output enable input (OE) is provided to enable or disable the outputs, allowing for easy control of data flow.
• The flip-flop outputs (Q0-Q5) provide the stored data at the corresponding input pins (D0-D5) when the clock pulse occurs.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data storage and retrieval.
• Wide voltage range compatibility makes it suitable for various digital systems.
• Excellent noise immunity ensures reliable performance in noisy environments.
• Compact package size enables use in space-constrained applications.

Disadvantages

• Limited number of flip-flops (8) may restrict its application in larger-scale systems.
• Lack of additional features, such as asynchronous clear inputs or preset inputs, may limit its versatility in certain designs.

Working Principles

The 74ACT377MTCX operates based on the principles of sequential logic. When a clock pulse is applied to the CP input, the data present at the D0-D7 inputs is transferred to the corresponding Q0-Q7 outputs. The clock enable inputs (CEP and CET) control the clocking operation, allowing or preventing the transfer of data based on their logic levels. The output enable input (OE) enables or disables the outputs, controlling the flow of data from the flip-flop.

Detailed Application Field Plans

The 74ACT377MTCX finds applications in various digital systems where the storage and manipulation of binary data are required. Some specific application