SN74LV161APWT

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 pieces per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 50 MHz
• Number of Counting Stages: 4
• Output Type: Synchronous
• Reset Function: Asynchronous
• Input Capacitance: 3 pF
• Propagation Delay: 9 ns

Detailed Pin Configuration

1. CLK (Clock Input)
2. RST (Reset Input)
3. QA (Output A)
4. QB (Output B)
5. QC (Output C)
6. QD (Output D)
7. GND (Ground)
8. VCC (Power Supply)

Functional Features

• Synchronous operation with a common clock input
• Asynchronous reset function for immediate clearing of the counter
• Outputs provide binary count representation
• Low power consumption
• Wide supply voltage range allows compatibility with various systems

Advantages

• High-speed operation with low propagation delay
• Compact package size for space-constrained applications
• Wide operating temperature range for versatile usage
• Low-voltage operation reduces power consumption
• Reliable and durable design

Disadvantages

• Limited number of counting stages (4 bits)
• Requires an external clock signal for proper operation
• Not suitable for applications requiring higher counting capabilities

Working Principles

The SN74LV161APWT is a synchronous, 4-bit binary counter that operates using a common clock input. The counter advances its count on each rising edge of the clock signal. It also features an asynchronous reset function, which allows immediate clearing of the counter to a known state.

The outputs (QA, QB, QC, QD) provide a binary representation of the count value. The counter can be used in various applications that require counting or sequencing operations, such as frequency division, event timing, and digital control systems.

Detailed Application Field Plans

1. Frequency Division: The SN74LV161APWT can be used to divide an input clock frequency by a factor of 16, providing a lower frequency output for specific applications.
2. Event Timing: The counter can be utilized to measure the duration of events or generate precise time intervals in applications like timers, stopwatches, or pulse generators.
3. Digital Control Systems: It can be employed in digital control systems to implement sequential logic functions, such as state machines or address generation.

Detailed and Complete Alternative Models

1. SN74LV163APWT: Similar to SN74LV161APWT but with additional parallel load capability.
2. CD40161BE: A 4-bit synchronous binary counter with similar functionality but different package type (DIP).

These alternative models offer similar functionalities and can be considered as substitutes depending on specific requirements and availability.

In conclusion, the SN74LV161APWT is a high-performance, low-voltage, synchronous 4-bit binary counter. Its compact package, wide operating temperature range, and low power consumption make it suitable for various applications. However, its limited counting stages and dependency on an external clock signal should be taken into consideration when selecting this IC for specific projects.