M74HC109B1R

Product Overview

Category

M74HC109B1R belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for various applications such as data storage, counters, and frequency division.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with other TTL families
• Noise immunity
• Schmitt trigger inputs

Package

M74HC109B1R is available in a 16-pin dual in-line package (DIP) or surface mount package (SMD).

Essence

The essence of M74HC109B1R lies in its ability to provide reliable and efficient digital logic functions within electronic systems.

Packaging/Quantity

This IC is typically packaged in reels or tubes, containing a specific quantity per package. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: -0.5V to VCC + 0.5V
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to 125°C
• Maximum Clock Frequency: 25MHz

Detailed Pin Configuration

M74HC109B1R has a total of 16 pins, each serving a specific function:

1. CLR (Clear)
2. CP (Clock Pulse)
3. Q0 (Output 0)
4. Q1 (Output 1)
5. Q2 (Output 2)
6. Q3 (Output 3)
7. GND (Ground)
8. Q4 (Output 4)
9. Q5 (Output 5)
10. Q6 (Output 6)
11. Q7 (Output 7)
12. MR (Master Reset)
13. VCC (Supply Voltage)
14. D0 (Data Input 0)
15. D1 (Data Input 1)
16. D2 (Data Input 2)

Functional Features

• Asynchronous Master Reset (MR) input for clearing the counter
• Positive-edge triggered Clock Pulse (CP) input for counting
• Schmitt trigger inputs for improved noise immunity
• Outputs (Q0-Q7) represent the binary count value
• Clear (CLR) input overrides the clock and resets the counter to zero

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data processing
• Low power consumption helps in reducing energy requirements
• Wide operating voltage range provides flexibility in various applications
• Compatibility with other TTL families enables easy integration into existing systems
• Noise immunity ensures reliable operation in noisy environments
• Schmitt trigger inputs enhance signal integrity

Disadvantages

• Limited maximum clock frequency may restrict its use in high-frequency applications
• Availability of alternative models with additional features or improved specifications may limit its competitiveness in certain scenarios

Working Principles

M74HC109B1R is a synchronous, presettable binary counter. It counts up from zero to a maximum value determined by the number of flip-flops used internally. The counter advances on each positive edge of the Clock Pulse (CP) input, except when the Clear (CLR) input is activated, which resets the counter to zero.

Detailed Application Field Plans

M74HC109B1R finds applications in various fields, including: - Digital frequency dividers - Event counters - Data storage and retrieval systems - Industrial automation - Communication systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to M74HC109B1R are: - SN74HC109 - CD40109 - MC74HC109

These models offer similar functionality and can be used as substitutes depending on specific requirements.

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