CD74AC273M

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power consumption
• Package: 20-pin SOIC (Small Outline Integrated Circuit)
• Essence: Sequential logic device
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Logic Family: AC
• Number of Flip-Flops: 8
• Clock Trigger Type: Positive Edge
• Output Type: Standard
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74AC273M has a total of 20 pins. The pin configuration is as follows:

1. CLR (Clear)
2. D0 (Data Input 0)
3. D1 (Data Input 1)
4. D2 (Data Input 2)
5. D3 (Data Input 3)
6. D4 (Data Input 4)
7. D5 (Data Input 5)
8. D6 (Data Input 6)
9. D7 (Data Input 7)
10. GND (Ground)
11. Q0 (Flip-Flop Output 0)
12. Q1 (Flip-Flop Output 1)
13. Q2 (Flip-Flop Output 2)
14. Q3 (Flip-Flop Output 3)
15. Q4 (Flip-Flop Output 4)
16. Q5 (Flip-Flop Output 5)
17. Q6 (Flip-Flop Output 6)
18. Q7 (Flip-Flop Output 7)
19. CP (Clock Pulse)
20. VCC (Supply Voltage)

Functional Features

• The CD74AC273M is an octal D-type flip-flop with clear functionality.
• It operates at high speed and consumes low power, making it suitable for various applications.
• The flip-flop outputs are buffered for enhanced performance and can drive standard TTL loads.
• The clear input allows for synchronous clearing of all flip-flops.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing. - Low power consumption helps in reducing energy usage. - Buffered outputs provide improved signal integrity. - Synchronous clearing simplifies control logic.

Disadvantages: - Limited number of flip-flops (8 in this case). - Requires an external clock signal for proper operation.

Working Principles

The CD74AC273M is a sequential logic device that stores and transfers data using flip-flops. It operates based on the positive edge of the clock pulse. When the clock pulse transitions from low to high, the data present at the inputs (D0-D7) is transferred to the corresponding flip-flop outputs (Q0-Q7). The clear input (CLR) allows for synchronous clearing of all flip-flops when activated.

Detailed Application Field Plans

The CD74AC273M can be used in various applications, including:

1. Digital counters
2. Shift registers
3. Data storage systems
4. Address decoding circuits
5. Control units in microprocessors

Detailed and Complete Alternative Models

Some alternative models to the CD74AC273M include:

1. SN74HC273: High-speed CMOS logic family, 20-pin DIP package
2. MC74ACT273: Advanced CMOS logic family, 20-pin SOIC package
3. CD4013: Dual D-type flip-flop, 14-pin DIP package
4. 74LS175: Quad D-type flip-flop with clear, 16-pin DIP package

These alternative models offer similar functionality but may have different specifications or package options.

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