74HC163DB,112

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Counter/Divider
• Characteristics: High-speed operation, synchronous counting, asynchronous reset, parallel load capability
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: 4-bit binary counter with synchronous reset and parallel load capability
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Operating Temperature Range: -40°C to +125°C
• Input Capacitance: 3.5pF
• Output Current: ±6mA
• Propagation Delay: 13ns (typical)

Detailed Pin Configuration

1. Clock Enable (CE)
2. Parallel Load (PL)
3. Clock (CLK)
4. Asynchronous Reset (MR)
5. Data Inputs (D0-D3)
6. Carry Output (CO)
7. Count Enable (CEP)
8. Outputs (Q0-Q3)
9. GND (Ground)
10. VCC (Supply Voltage)

Functional Features

• Synchronous counting: The counter advances on each clock pulse.
• Asynchronous reset: The counter can be reset to its initial state at any time.
• Parallel load capability: Allows loading of a specific count into the counter using the parallel load input.

Advantages

• High-speed operation: Enables efficient counting in time-critical applications.
• Synchronous counting: Ensures accurate and synchronized counting.
• Asynchronous reset: Provides flexibility in resetting the counter as needed.
• Parallel load capability: Facilitates easy initialization of the counter to a specific count.

Disadvantages

• Limited bit width: The 74HC163DB,112 is a 4-bit counter, which may not be suitable for applications requiring larger counting ranges.
• Requires external components: Additional circuitry may be needed to interface with other devices or control the counter's operation.

Working Principles

The 74HC163DB,112 is a synchronous counter that operates based on clock pulses. On each rising edge of the clock signal, the counter advances by one count. The counter can also be asynchronously reset to its initial state using the asynchronous reset input. Additionally, the parallel load input allows loading a specific count into the counter by applying the desired binary value to the data inputs and activating the parallel load signal.

Detailed Application Field Plans

• Frequency division: The 74HC163DB,112 can be used in frequency dividers to generate lower-frequency signals from higher-frequency inputs.
• Event counting: It can be employed in various event counting applications, such as tallying the number of occurrences of specific events.
• Digital clocks: The counter can be utilized in digital clock circuits to keep track of time.

Detailed and Complete Alternative Models

• 74HC161: A similar 4-bit synchronous counter without parallel load capability.
• 74HC163: Another 4-bit synchronous counter with parallel load capability but lacks the asynchronous reset feature.
• 74HC193: A 4-bit up/down synchronous counter with parallel load capability and additional up/down control.

Note: The above information provides an overview of the 74HC163DB,112. For more detailed specifications and application-specific considerations, please refer to the datasheet provided by the manufacturer.

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