MC74AC161DR2G

Product Overview

• Category: Integrated Circuit
• Use: Digital Counter
• Characteristics: High-speed operation, low power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: 4-bit synchronous binary counter
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100MHz
• Number of Counting Stages: 4
• Output Type: Standard
• Logic Family: AC

Detailed Pin Configuration

The MC74AC161DR2G has a total of 16 pins. The pin configuration is as follows:

1. Clock Enable (CE)
2. Parallel Load (PL)
3. Data Inputs (D0-D3)
4. Carry Out (CO)
5. Down/Up (D/U)
6. Clock (CLK)
7. Reset (RST)
8. Carry In (CI)
9. Q0 Output
10. Q1 Output
11. Q2 Output
12. Q3 Output
13. GND (Ground)
14. Q3' Output
15. Q2' Output
16. VCC (Supply Voltage)

Functional Features

• Synchronous operation with clock enable and parallel load control
• Can be used as a 4-bit binary up/down counter
• Outputs can be cascaded for larger count lengths
• Carry input and carry output for multi-stage counters
• Low power consumption and high-speed operation

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick counting - Low power consumption reduces energy usage - Versatile functionality as an up/down counter - Cascading capability enables larger count lengths

Disadvantages: - Limited to 4-bit counting, may not be suitable for applications requiring higher count lengths - Requires external components for proper operation (clock signal, data inputs, etc.)

Working Principles

The MC74AC161DR2G is a synchronous binary counter that operates based on clock signals. It can count up or down depending on the input provided to the Down/Up pin. The counter can be loaded with a parallel input value using the Parallel Load pin. The Clock Enable pin allows for control over when the counter starts counting.

Detailed Application Field Plans

The MC74AC161DR2G is commonly used in various digital applications such as:

1. Frequency dividers
2. Event counters
3. Industrial automation systems
4. Digital communication equipment
5. Automotive electronics

Its high-speed operation and low power consumption make it suitable for applications where quick and efficient counting is required.

Detailed and Complete Alternative Models

1. SN74LS161N: 4-bit Synchronous Binary Counter
2. CD40161BE: CMOS Presettable Up/Down Counter
3. 74HC161D: 4-bit Synchronous Binary Counter

These alternative models offer similar functionality and can be used as substitutes for the MC74AC161DR2G in various applications.

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