74HCT280DB,118

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Binary Counter
• Characteristics: High-speed operation, low power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Digital logic circuit for counting binary numbers
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 2.0V to 6.0V
• Operating Temperature Range: -40°C to +125°C
• Counting Range: 0 to 15 (4-bit binary counter)
• Maximum Clock Frequency: 50 MHz
• Output Drive Capability: 4 mA at 5V
• Propagation Delay: 13 ns at 5V

Detailed Pin Configuration

The 74HCT280DB,118 IC has a total of 14 pins. The pin configuration is as follows:

1. CLR (Clear) - Clear input pin
2. CLK (Clock) - Clock input pin
3. A0 - Least significant bit input pin
4. A1 - Bit 1 input pin
5. A2 - Bit 2 input pin
6. A3 - Most significant bit input pin
7. GND (Ground) - Ground pin
8. Q0 - Least significant bit output pin
9. Q1 - Bit 1 output pin
10. Q2 - Bit 2 output pin
11. Q3 - Most significant bit output pin
12. VCC - Positive supply voltage pin
13. NC (No Connection) - No connection pin
14. NC (No Connection) - No connection pin

Functional Features

• Asynchronous clear function (CLR) to reset the counter
• Synchronous counting on positive clock edge
• Outputs (Q0-Q3) represent the binary count
• High-speed operation allows for efficient counting
• Low power consumption makes it suitable for battery-powered devices

Advantages and Disadvantages

Advantages: - High-speed operation enables quick counting - Low power consumption prolongs battery life - Compact SOIC package saves space - Wide operating voltage range allows for versatile applications

Disadvantages: - Limited counting range (0 to 15) - Not suitable for applications requiring larger counter sizes

Working Principles

The 74HCT280DB,118 is a synchronous binary counter that counts from 0 to 15. It operates based on the clock input (CLK) and counts on the positive edge of the clock signal. The inputs (A0-A3) determine the initial count value, and the outputs (Q0-Q3) represent the binary count. The counter can be reset to 0 using the clear input (CLR).

Detailed Application Field Plans

The 74HCT280DB,118 IC finds applications in various fields, including: 1. Digital frequency dividers 2. Event counters 3. Industrial automation systems 4. Communication equipment 5. Automotive electronics 6. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the 74HCT280DB,118 IC are: 1. SN74LS161N - 4-bit Synchronous Binary Counter 2. CD4017BE - Decade Counter/Divider with 10 Decoded Outputs 3. MC14553B - Programmable Timer Counter 4. 74HC393D - Dual 4-bit Binary Ripple Counter 5. CD4020BE - 14-stage Binary Counter

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

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