MC74ACT163MEL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter
• Characteristics: High-speed, synchronous, 4-bit binary counter
• Package: SOIC-16
• Essence: The MC74ACT163MEL is a high-performance, synchronous counter designed for use in various digital applications.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Logic Family: ACT
• Number of Bits: 4
• Supply Voltage: 2.0V to 6.0V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 5 ns (typical)
• Maximum Clock Frequency: 100 MHz

Detailed Pin Configuration

The MC74ACT163MEL has a total of 16 pins arranged as follows:

1. CLR (Clear)
2. CLK (Clock)
3. LD (Load)
4. ENT (Enable Parallel Load)
5. Q0 (Output Bit 0)
6. Q1 (Output Bit 1)
7. Q2 (Output Bit 2)
8. Q3 (Output Bit 3)
9. GND (Ground)
10. Q3' (Complement of Output Bit 3)
11. Q2' (Complement of Output Bit 2)
12. Q1' (Complement of Output Bit 1)
13. Q0' (Complement of Output Bit 0)
14. VCC (Positive Power Supply)
15. MR (Master Reset)
16. TC (Terminal Count)

Functional Features

• Synchronous operation with a common clock signal
• Parallel load capability for presetting the counter value
• Asynchronous master reset function
• Terminal count output for cascading multiple counters
• High-speed operation suitable for various digital applications

Advantages and Disadvantages

Advantages

• High-speed performance allows for efficient counting operations
• Synchronous operation ensures accurate and reliable results
• Parallel load capability enables easy presetting of counter values
• Asynchronous master reset function provides flexibility in resetting the counter
• Terminal count output facilitates cascading multiple counters

Disadvantages

• Limited to 4-bit counting, may not be suitable for applications requiring larger counters
• Requires an external clock signal for operation

Working Principles

The MC74ACT163MEL is a synchronous counter that operates based on the input clock signal. It counts up or down depending on the clock signal's rising or falling edge. The counter can be preset with a specific value using the parallel load feature, allowing for customization of the initial count. The asynchronous master reset function resets the counter to its initial state when activated. The terminal count output indicates when the counter reaches its maximum count, enabling cascading of multiple counters for extended counting capabilities.

Detailed Application Field Plans

The MC74ACT163MEL is widely used in various digital applications, including:

1. Digital frequency dividers
2. Event counters
3. Time delay circuits
4. Industrial automation systems
5. Communication equipment
6. Data processing systems
7. Automotive electronics
8. Consumer electronics

Detailed and Complete Alternative Models

1. SN74ACT163: Similar 4-bit synchronous counter from Texas Instruments
2. CD74ACT163: 4-bit synchronous counter from Texas Instruments
3. 74HC163: 4-bit synchronous binary counter from NXP Semiconductors
4. 74LS163: 4-bit synchronous counter from various manufacturers

These alternative models offer similar functionality and can be considered as substitutes for the MC74ACT163MEL depending on specific requirements and availability.

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