SN74LV163APWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter
• Characteristics: Low-voltage, synchronous, 4-bit binary counter
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: High-performance digital logic device
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Number of Bits: 4
• Clock Frequency: Up to 50MHz
• Output Drive Capability: ±24mA at 3.3V
• Input Capacitance: 3pF
• Propagation Delay: 7ns (typical)

Detailed Pin Configuration

The SN74LV163APWR has a total of 16 pins, which are assigned specific functions as follows:

1. CLK (Pin 1): Clock input
2. MR (Pin 2): Master Reset input
3. CP (Pin 3): Parallel Load input
4. D0-D3 (Pins 4-7): Data inputs
5. Q0-Q3 (Pins 8-11): Outputs
6. GND (Pin 12): Ground
7. VCC (Pin 13): Positive power supply
8. CE (Pin 14): Count Enable input
9. PE (Pin 15): Parallel Enable input
10. TC (Pin 16): Terminal Count output

Functional Features

• Synchronous operation with a common clock signal
• Parallel load capability for presetting the counter value
• Asynchronous master reset for immediate counter reset
• Count enable and parallel enable inputs for flexible control
• Terminal count output for cascading multiple counters

Advantages and Disadvantages

Advantages: - Low-voltage operation allows for compatibility with a wide range of systems - Synchronous operation ensures accurate counting in time-critical applications - Small package size (TSSOP) enables space-saving designs - High output drive capability allows direct driving of external components

Disadvantages: - Limited to 4-bit counting, may not be suitable for applications requiring higher bit counts - Requires an external clock signal for operation

Working Principles

The SN74LV163APWR is a synchronous counter that operates based on the input clock signal. On each rising edge of the clock, the counter increments its value by one. The counter can be preset to a specific value using the parallel load input. The master reset input asynchronously resets the counter to zero.

Detailed Application Field Plans

The SN74LV163APWR is commonly used in various applications, including:

1. Digital frequency dividers
2. Event counters
3. Time delay circuits
4. Industrial automation systems
5. Communication equipment

Detailed and Complete Alternative Models

1. CD74HC163E: High-speed CMOS 4-bit synchronous counter
2. MC74HC163AN: High-performance silicon-gate CMOS 4-bit binary counter
3. 74F163APC: Fast CMOS 4-bit synchronous counter

These alternative models offer similar functionality and can be considered as replacements for the SN74LV163APWR in different applications.

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