CD74HC163M

Product Overview

• Category: Integrated Circuit
• Use: Counter
• Characteristics: High-speed, synchronous, 4-bit binary counter
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The CD74HC163M is a versatile counter IC that can be used in various applications requiring counting functionality.
• Packaging/Quantity: Available in reels of 2500 pieces

Specifications

• Supply Voltage Range: 2V to 6V
• Maximum Clock Frequency: 50 MHz
• Number of Counting Stages: 4
• Output Current: ±5.2 mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74HC163M has a total of 16 pins arranged as follows:

1. CLR (Clear) - Clear input pin
2. CLK (Clock) - Clock input pin
3. LOAD (Load) - Load input pin
4. D0 (Data 0) - Data input pin for the least significant bit (LSB)
5. D1 (Data 1) - Data input pin for the second least significant bit
6. D2 (Data 2) - Data input pin for the third least significant bit
7. D3 (Data 3) - Data input pin for the most significant bit (MSB)
8. GND (Ground) - Ground pin
9. Q0 (Output 0) - Output pin for the LSB
10. Q1 (Output 1) - Output pin for the second least significant bit
11. Q2 (Output 2) - Output pin for the third least significant bit
12. Q3 (Output 3) - Output pin for the MSB
13. MR (Master Reset) - Master reset input pin
14. VCC (Supply Voltage) - Supply voltage pin
15. NC (No Connection) - No connection pin
16. NC (No Connection) - No connection pin

Functional Features

• Synchronous operation: The CD74HC163M operates synchronously with the clock signal, ensuring accurate counting.
• Clear function: The CLR input allows for resetting the counter to its initial state.
• Load function: The LOAD input enables loading of a specific count value into the counter.
• Ripple carry output: The Q3 output provides a ripple carry signal that can be used for cascading multiple counters.

Advantages and Disadvantages

Advantages: - High-speed operation - Synchronous counting ensures accuracy - Versatile functionality for various applications - Compact SOIC package for space-saving designs

Disadvantages: - Limited number of counting stages (4 bits) - Requires an external clock signal for operation

Working Principles

The CD74HC163M is a synchronous 4-bit binary counter. It counts up or down based on the clock input signal. When the clock signal transitions from low to high, the counter increments by one. The counter can be cleared to its initial state using the CLR input. The LOAD input allows for loading a specific count value into the counter. The outputs represent the current count value in binary form.

Detailed Application Field Plans

The CD74HC163M 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 control systems

Detailed and Complete Alternative Models

1. SN74HC163N: Similar 4-bit binary counter IC in DIP (Dual Inline Package) format.
2. CD40163BE: 4-bit synchronous binary counter IC with parallel load capability.
3. MC14516B: 4-bit synchronous up/down binary counter IC with ripple clock output.

These alternative models provide similar functionality and can be used as substitutes for the CD74HC163M in various applications.

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