CD40161BPWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Counter
• Characteristics: High-speed, synchronous, 4-bit binary counter
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The CD40161BPWR is a versatile digital counter IC that can be used in various applications requiring counting functionality.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage: 3V to 18V
• Operating Temperature Range: -55°C to +125°C
• Logic Family: CMOS
• Number of Pins: 16
• Maximum Clock Frequency: 25MHz
• Counting Modes: Up, Down, Up/Down, Asynchronous Reset

Pin Configuration

The CD40161BPWR has the following pin configuration:

1. Clock Input (CP)
2. Enable Input (ENP)
3. Enable Input (ENT)
4. Parallel Load Input (PL)
5. Carry Output (CO)
6. Data Outputs (Q0-Q3)
7. Ripple Clock Output (RCO)
8. Ground (GND)
9. Data Inputs (D0-D3)
10. Asynchronous Reset Input (MR)
11. Carry Input (CI)
12. VDD (Positive Power Supply)

Functional Features

• Synchronous operation allows for precise counting based on clock input.
• Can count up or down depending on the selected mode.
• Parallel load input enables loading of preset values into the counter.
• Asynchronous reset input allows for immediate reset of the counter.
• Carry input and output facilitate cascading multiple counters for extended counting range.

Advantages

• Wide supply voltage range allows for flexibility in different applications.
• High-speed operation enables efficient counting in real-time applications.
• Versatile counting modes provide flexibility in various counting scenarios.
• Compact TSSOP package saves board space and facilitates easy integration.

Disadvantages

• Limited maximum clock frequency may restrict its use in high-speed applications.
• CMOS logic family is susceptible to noise interference compared to other families like TTL.

Working Principles

The CD40161BPWR operates based on synchronous counting principles. The clock input (CP) triggers the counter to increment or decrement based on the selected counting mode. The count value is stored in the internal flip-flops and can be accessed through the data outputs (Q0-Q3). The counter can be preset with a specific value using the parallel load input (PL). The asynchronous reset input (MR) allows for immediate resetting of the counter to zero. The carry input (CI) and output (CO) enable cascading multiple counters for extended counting range.

Application Field Plans

The CD40161BPWR can be used in various applications, including:

1. Digital frequency dividers
2. Event counters
3. Industrial automation systems
4. Timing circuits
5. Data acquisition systems
6. Electronic gaming devices

Alternative Models

Some alternative models that offer similar functionality to the CD40161BPWR are:

1. CD4029B: 4-bit binary up/down counter with preset and ripple clock output.
2. CD4516B: Synchronous presettable 4-bit binary up/down counter.
3. SN74LS169B: Synchronous 4-bit up/down binary counter with parallel load.

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

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