74LVC161BQ,115

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Counter
• Characteristics: Low-voltage CMOS device, synchronous operation, high-speed performance
• Package: TSSOP-16
• Essence: 4-bit binary counter with synchronous reset
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +125°C
• Maximum Clock Frequency: 200 MHz
• Maximum Propagation Delay: 6 ns
• Number of Pins: 16

Detailed Pin Configuration

The 74LVC161BQ,115 IC has the following pin configuration:

1. CP (Clock Pulse) - Input
2. MR (Master Reset) - Input
3. QA (Output A) - Output
4. QB (Output B) - Output
5. QC (Output C) - Output
6. QD (Output D) - Output
7. GND (Ground) - Ground
8. VCC (Supply Voltage) - Power Supply
9. QD (Output D) - Output
10. QC (Output C) - Output
11. QB (Output B) - Output
12. QA (Output A) - Output
13. MR (Master Reset) - Input
14. CP (Clock Pulse) - Input
15. GND (Ground) - Ground
16. VCC (Supply Voltage) - Power Supply

Functional Features

• Synchronous operation with a common clock pulse
• Asynchronous master reset for resetting the counter
• Outputs can be used as inputs for cascading multiple counters
• Low power consumption due to CMOS technology
• High-speed performance for efficient counting operations

Advantages and Disadvantages

Advantages: - Low-voltage operation allows compatibility with a wide range of systems - Synchronous operation ensures accurate counting results - Compact TSSOP-16 package saves board space - Can be easily integrated into various digital circuits

Disadvantages: - Limited maximum clock frequency compared to some other counter ICs - Requires external components for specific applications - Not suitable for high-frequency or high-precision applications

Working Principles

The 74LVC161BQ,115 is a 4-bit binary counter that counts up from 0 to 15. It operates synchronously with a common clock pulse (CP) and can be reset asynchronously using the master reset (MR) input. The outputs (QA, QB, QC, QD) represent the binary count value.

When the CP input receives a rising edge, the counter increments its count by one. If the MR input is activated, the counter resets to zero. The synchronous operation ensures that all outputs change simultaneously, providing accurate and synchronized counting.

Detailed Application Field Plans

The 74LVC161BQ,115 IC finds applications in various digital systems where counting functionality is required. Some potential application fields include:

1. Digital Timers: The IC can be used to implement timers in appliances, industrial equipment, or consumer electronics.
2. Frequency Dividers: By connecting the output of the counter to a flip-flop, the IC can divide the input clock frequency by a factor of 16.
3. Event Counters: The IC can count events or pulses in applications such as traffic monitoring, production line control, or sensor-based systems.
4. Address Generation: In microcontrollers or memory systems, the IC can generate sequential addresses for accessing data or instructions.

Detailed and Complete Alternative Models

• 74HC161: Similar 4-bit binary counter with synchronous reset, operates at higher voltage levels (2V to 6V).
• CD40161B: 4-bit synchronous binary counter with asynchronous reset, operates at a wider supply voltage range (3V to 18V).
• SN74LS161A: 4-bit synchronous binary counter with asynchronous reset, operates at lower clock frequencies but offers improved noise immunity.

These alternative models provide similar functionality to the 74LVC161BQ,115 and can be considered based on specific application requirements.

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