CD74AC161MG4

Product Overview

• Category: Integrated Circuit
• Use: Digital Counter
• Characteristics: High-speed, synchronous, 4-bit binary counter
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: CD74AC161MG4 is a digital counter integrated circuit that can count in binary from 0 to 15.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 2V - 6V
• Operating Temperature: -40°C to +85°C
• Logic Family: AC
• Number of Bits: 4
• Clock Input: Synchronous
• Reset Input: Asynchronous
• Output Type: Standard

Detailed Pin Configuration

The CD74AC161MG4 has a total of 16 pins. Here is the detailed pin configuration:

1. Clock (CP)
2. Enable (ENP)
3. Parallel Load (PL)
4. Data Inputs (D0-D3)
5. Carry Output (CO)
6. Down/Up Count Control (UP/DN)
7. Reset (MR)
8. Outputs (Q0-Q3)
9. Ground (GND)
10. VCC

Functional Features

• Synchronous operation allows for precise counting based on clock pulses.
• Can count up or down based on the control input.
• Parallel load feature enables loading of initial values into the counter.
• Carry output provides cascading capability for larger counters.
• Reset input allows for immediate reset to the initial value.

Advantages and Disadvantages

Advantages: - High-speed operation suitable for time-critical applications. - Synchronous design ensures accurate counting. - Compact SOIC package saves board space. - Wide supply voltage range allows for flexibility in different systems.

Disadvantages: - Limited to 4-bit counting, may not be suitable for applications requiring larger counters. - Requires external clock and control signals for proper operation.

Working Principles

The CD74AC161MG4 is a synchronous counter that operates based on clock pulses. It counts up or down depending on the control input. The parallel load feature allows for loading of initial values into the counter. The carry output enables cascading multiple counters for larger counting ranges. The reset input resets the counter to the initial value.

Detailed Application Field Plans

The CD74AC161MG4 can be used in various applications that require digital counting. Some potential application fields include:

1. Digital frequency dividers
2. Event counters
3. Industrial automation
4. Communication systems
5. Timing circuits
6. Data processing systems

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality:

1. SN74LS161N - 4-bit Synchronous Binary Counter
2. CD40193BE - Presettable Up/Down Counter
3. MC14516B - 4-Bit Binary Counter with Asynchronous Clear

These alternative models provide different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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