Encyclopedia Entry: 74ACT1284MSAX

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Device
• Characteristics: High-speed, low-power, 12-bit binary counter with synchronous reset
• Package: MSAX (Mini Small Outline Package)
• Essence: The 74ACT1284MSAX is a versatile IC used for counting and resetting binary values in digital circuits.
• Packaging/Quantity: Typically sold in reels or tubes containing multiple units.

Specifications

• Technology: Advanced CMOS (Complementary Metal-Oxide-Semiconductor)
• Supply Voltage: 2.0V to 6.0V
• Operating Temperature: -40°C to +85°C
• Input/Output Compatibility: TTL (Transistor-Transistor Logic) and CMOS levels
• Maximum Clock Frequency: 125 MHz
• Number of Counting Bits: 12
• Synchronous Reset: Yes

Detailed Pin Configuration

The 74ACT1284MSAX has a total of 20 pins, each serving a specific purpose. Here is the detailed pin configuration:

1. CLK (Clock Input)
2. MR (Master Reset Input)
3. QA-QH (Count Outputs)
4. GND (Ground)
5. QH' (Inverted Count Output)
6. VCC (Power Supply)
7. QH'' (Inverted Count Output)
8. QH''' (Inverted Count Output)
9. QH'''' (Inverted Count Output)
10. QH''''' (Inverted Count Output)
11. QH'''''' (Inverted Count Output)
12. QH''''''' (Inverted Count Output)
13. QH'''''''' (Inverted Count Output)
14. QH''''''''' (Inverted Count Output)
15. QH'''''''''' (Inverted Count Output)
16. QH''''''''''' (Inverted Count Output)
17. QH'''''''''''' (Inverted Count Output)
18. QH''''''''''''' (Inverted Count Output)
19. QH'''''''''''''' (Inverted Count Output)
20. VCC (Power Supply)

Functional Features

• High-speed operation allows for efficient counting in digital circuits.
• Low-power consumption ensures energy efficiency.
• Synchronous reset functionality enables precise control over the counting process.
• Compatibility with both TTL and CMOS logic levels makes it versatile for various circuit designs.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick counting in digital systems. - Low-power consumption reduces energy requirements. - Synchronous reset functionality provides precise control over the counting process. - Versatile compatibility with TTL and CMOS logic levels allows for flexible integration into different circuit designs.

Disadvantages: - Limited to 12-bit counting, which may not be sufficient for certain applications requiring larger counters. - The MSAX package may not be suitable for all circuit board layouts or assembly processes.

Working Principles

The 74ACT1284MSAX operates based on the principles of synchronous binary counting. It utilizes a clock input to increment its internal counter by one on each rising edge of the clock signal. The counting process continues until a reset signal is received at the master reset (MR) input, which sets the counter back to its initial state.

Detailed Application Field Plans

The 74ACT1284MSAX finds application in various digital systems that require accurate counting and resetting of binary values. Some potential application fields include:

1. Digital frequency dividers
2. Timekeeping circuits
3. Industrial automation systems
4. Communication equipment
5. Data processing units

Detailed and Complete Alternative Models

1. 74ACT16244MTD: 16-bit buffer/line driver with 3-state outputs
2. 74ACT573SCX: Octal transparent latch with 3-state outputs
3. 74ACT04MTCX: Hex inverter with Schmitt-trigger inputs
4. 74ACT138SCX: 3-to-8 line decoder/demultiplexer with 3-state outputs
5. 74ACT240SCX: Octal inverting buffer/line driver with 3-state outputs

These alternative models offer similar functionality to the 74ACT1284MSAX and can be considered as substitutes depending on specific requirements.

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