MC74AC163MELG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter
• Characteristics: High-speed, synchronous, 4-bit binary counter
• Package: SOIC-16
• Essence: The MC74AC163MELG is a versatile counter IC that can be used in various applications requiring counting functionality.
• Packaging/Quantity: The MC74AC163MELG is typically sold in reels of 2500 units.

Specifications

• Logic Family: AC
• Number of Bits: 4
• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 5 ns (max)
• Clock Frequency: 100 MHz (max)

Detailed Pin Configuration

The MC74AC163MELG has a total of 16 pins. Here is the detailed pin configuration:

1. Clock Enable (CE)
2. Parallel Load (PL)
3. Clock (CLK)
4. Master Reset (MR)
5. Data Inputs (D0-D3)
6. Carry Output (CO)
7. Binary Outputs (Q0-Q3)
8. Ground (GND)
9. Binary Outputs (Q3)
10. Binary Outputs (Q2)
11. Binary Outputs (Q1)
12. Binary Outputs (Q0)
13. Carry Output (CO)
14. Data Inputs (D3)
15. Data Inputs (D2)
16. VCC (Supply Voltage)

Functional Features

• Synchronous operation with clock and enable inputs
• Parallel load capability for presetting the counter
• Asynchronous master reset for immediate clearing of the counter
• Carry output for cascading multiple counters
• High-speed operation suitable for time-critical applications
• Wide supply voltage range for flexibility in different systems

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient counting in time-critical applications.
• Synchronous operation ensures accurate and synchronized counting.
• Parallel load capability enables presetting the counter to a specific value.
• Asynchronous master reset provides immediate clearing of the counter.
• Carry output facilitates cascading multiple counters.

Disadvantages

• Limited number of bits (4) may not be sufficient for certain applications requiring larger counters.
• Requires an external clock signal for proper operation.

Working Principles

The MC74AC163MELG is a synchronous 4-bit binary counter. It counts up or down based on the clock input and can be preset to a specific value using the parallel load input. The counter advances on each rising edge of the clock signal when the enable input is active. The carry output can be used to cascade multiple counters for higher bit-count applications.

Detailed Application Field Plans

The MC74AC163MELG can be used in various applications that require counting functionality, such as:

1. Digital frequency dividers
2. Event counters
3. Timekeeping circuits
4. Industrial automation systems
5. Traffic light controllers
6. Electronic gaming machines
7. Data communication equipment
8. Test and measurement instruments

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the MC74AC163MELG:

1. SN74LS163N: 4-bit synchronous binary counter with parallel load
2. CD40163BE: CMOS presettable synchronous 4-bit binary counter
3. 74HC163D: High-speed Si-gate CMOS device with synchronous reset

These alternative models can be considered based on specific requirements and availability.

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