74HC161PW,118

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter
• Characteristics: High-speed operation, low power consumption
• Package: TSSOP-16
• Essence: 4-bit synchronous binary counter
• Packaging/Quantity: Tape and reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2 V to 6 V
• Operating Temperature Range: -40°C to +125°C
• Maximum Clock Frequency: 50 MHz
• Number of Counting Stages: 4
• Output Type: Synchronous

Detailed Pin Configuration

The 74HC161PW,118 has a total of 16 pins. The pin configuration is as follows:

1. Clock Enable (CE)
2. Asynchronous Clear (CLR)
3. Parallel Load (PL)
4. Clock (CP)
5. Data Inputs (D0)
6. Data Inputs (D1)
7. Data Inputs (D2)
8. Data Inputs (D3)
9. Carry Out (CO)
10. Ripple Clock (RCO)
11. Carry In (CI)
12. Outputs (Q0)
13. Outputs (Q1)
14. Outputs (Q2)
15. Outputs (Q3)
16. Ground (GND)

Functional Features

• Synchronous counting: The 74HC161PW,118 performs synchronous counting, where the outputs change simultaneously with the clock signal.
• Asynchronous clear: The asynchronous clear input allows for immediate resetting of the counter to its initial state.
• Parallel load: The parallel load input enables loading of a specific count value into the counter.
• Carry output: The carry output provides a signal indicating when the counter reaches its maximum count value.

Advantages and Disadvantages

Advantages: - High-speed operation: The 74HC161PW,118 is designed for high-speed counting applications. - Low power consumption: The IC consumes low power, making it suitable for battery-powered devices.

Disadvantages: - Limited counting range: The 74HC161PW,118 is a 4-bit counter, limiting the maximum count value to 15.

Working Principles

The 74HC161PW,118 is a synchronous binary counter that counts from 0 to 15. It operates based on the clock signal provided at the CP pin. On each rising edge of the clock, the counter increments its count value by one. When the count value reaches 15, the carry output (CO) becomes active, indicating an overflow condition. The counter can be cleared asynchronously using the CLR input or loaded with a specific count value using the PL input.

Detailed Application Field Plans

The 74HC161PW,118 is commonly used in various applications, including:

1. Digital frequency counters
2. Industrial automation systems
3. Communication equipment
4. Automotive electronics
5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the 74HC161PW,118 include:

1. CD40161BE: 4-bit synchronous binary counter with similar specifications and package type.
2. SN74LS161N: 4-bit synchronous binary counter with different package type but compatible functionality.
3. MC74HC161AN: 4-bit synchronous binary counter with similar characteristics and package type.

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

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