SN74F161ADBR

Product Overview

Category

SN74F161ADBR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for various applications such as counters, registers, and other sequential logic circuits.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with TTL logic levels
• 4-bit synchronous binary counter

Package

SN74F161ADBR is available in a small-outline integrated circuit (SOIC) package.

Essence

The essence of SN74F161ADBR lies in its ability to perform high-speed counting operations in digital circuits while consuming minimal power.

Packaging/Quantity

This IC is typically sold in reels or tubes containing a specified quantity, usually ranging from 250 to 2000 units per package.

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100MHz
• Number of Counting Bits: 4
• Logic Family: F series (TTL compatible)

Detailed Pin Configuration

1. CLK (Clock Input)
2. MR (Master Reset Input)
3. CPD (Count Enable Parallel Input)
4. PE (Parallel Enable Input)
5. Q0 (Least Significant Bit Output)
6. Q1 (Output)
7. Q2 (Output)
8. Q3 (Most Significant Bit Output)
9. GND (Ground)
10. VCC (Supply Voltage)

Functional Features

• Synchronous counting operation
• Asynchronous master reset
• Parallel load capability
• Carry output for cascading multiple counters
• Edge-triggered clock input

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient counting in time-critical applications.
• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range provides flexibility in various electronic systems.
• Compatibility with TTL logic levels ensures easy integration with existing circuits.

Disadvantages

• Limited number of counting bits (4) restricts its use in applications requiring larger counters.
• Lack of built-in error detection or correction mechanisms may require additional circuitry for fault tolerance.

Working Principles

SN74F161ADBR operates as a synchronous binary counter. The clock input (CLK) triggers the counting operation, while the master reset input (MR) asynchronously resets the counter to its initial state. The count enable parallel input (CPD) and parallel enable input (PE) control the loading of data into the counter. The outputs (Q0-Q3) represent the current count value.

Detailed Application Field Plans

SN74F161ADBR finds applications in various digital systems, including: 1. Frequency dividers 2. Event counters 3. Digital clocks 4. Industrial automation 5. Communication systems

Detailed and Complete Alternative Models

1. SN74LS161A: Similar functionality but operates at lower speeds.
2. CD40161B: CMOS-based alternative with similar features.
3. 74HC161: High-speed CMOS alternative with improved power efficiency.

These alternative models offer similar functionalities to SN74F161ADBR but may have different characteristics and specifications.

In conclusion, SN74F161ADBR is a versatile integrated circuit used for counting and sequential logic applications. Its high-speed operation, low power consumption, and compatibility with TTL logic levels make it a popular choice in digital electronic systems. However, its limited counting bits and lack of error detection mechanisms should be considered when selecting this IC for specific applications.