CD74AC163MG4

Product Overview

• Category: Integrated Circuit
• Use: Counter
• Characteristics: High-speed, synchronous, 4-bit binary counter
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The CD74AC163MG4 is a versatile counter that can be used in various applications requiring counting functionality.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to 85°C
• Maximum Clock Frequency: 125 MHz
• Number of Counting Stages: 4
• Output Type: Synchronous

Detailed Pin Configuration

The CD74AC163MG4 has a total of 16 pins. Here is the detailed pin configuration:

1. CLR (Clear) - Resets the counter to zero when held low.
2. CLK (Clock) - Input clock signal for counting.
3. ENP (Enable Parallel) - Enables parallel loading of data when held high.
4. ENT (Enable Count) - Enables counting when held high.
5. LOAD - Loads parallel data into the counter when ENP is high and CLK transitions from high to low.

6. Q0-Q3 (Outputs) - Binary outputs representing the count value.

7. GND (Ground) - Ground reference for the IC.

8. Q3 (MSB) - Most significant bit output.
9. Q2 - Second most significant bit output.
10. Q1 - Third most significant bit output.
11. Q0 (LSB) - Least significant bit output.
12. VCC - Positive supply voltage.
13. D0-D3 (Parallel Data Inputs) - Four parallel data inputs for loading data into the counter.
14. ENT (Enable Count) - Enables counting when held high.
15. ENP (Enable Parallel) - Enables parallel loading of data when held high.
16. CLR (Clear) - Resets the counter to zero when held low.

Functional Features

• High-speed operation allows for efficient counting in time-critical applications.
• Synchronous design ensures accurate and reliable counting.
• Can be easily integrated into existing digital circuits due to its standard logic levels.
• Supports parallel loading of data, providing flexibility in initializing the counter.
• Compact SOIC package enables space-saving on PCBs.

Advantages

• High-speed operation allows for quick counting in real-time applications.
• Synchronous design ensures precise synchronization with other digital components.
• Versatile functionality makes it suitable for a wide range of applications.
• Easy integration into existing circuits due to standard logic levels.
• Compact package saves space on PCBs.

Disadvantages

• Limited number of counting stages (4), which may not be sufficient for complex counting requirements.
• Requires an external clock signal for counting, which adds complexity to the circuit design.

Working Principles

The CD74AC163MG4 is a synchronous 4-bit binary counter. It counts up or down based on the input clock signal and control inputs. The counter can be cleared to zero using the clear input (CLR). When enabled, the counter increments or decrements by one on each rising edge of the clock signal. The parallel data inputs (D0-D3) allow for loading specific count values into the counter. The outputs (Q0-Q3) represent the current count value.

Detailed Application Field Plans

The CD74AC163MG4 can be used in various applications that require counting functionality. Some potential application fields include:

1. Digital frequency counters
2. Industrial automation systems
3. Communication equipment
4. Test and measurement instruments
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

1. CD74AC163M - Similar to CD74AC163MG4 but available in a different package (PDIP).
2. SN74LS163A - 4-bit synchronous binary counter with similar functionality.
3. CD40163B - 4-bit synchronous up/down counter with parallel load capability.

These alternative models offer similar counting functionality and can be considered as substitutes for the CD74AC163MG4 depending on specific requirements.

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