CD74HC273M

Product Overview

• Category: Integrated Circuit
• Use: Flip-Flop
• Characteristics: High-speed, CMOS logic, 8-bit D-type flip-flop
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Reliable and efficient digital storage element
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Logic Family: HC
• Number of Flip-Flops: 8
• Input Voltage Range: 2V to 6V
• Propagation Delay Time: 13 ns (typical)
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2V to 6V
• Output Current: ±25mA
• Package Type: 20-SOIC

Detailed Pin Configuration

The CD74HC273M has a total of 20 pins. The pin configuration is as follows:

1. CLR (Clear) - Active LOW clear input
2. D0 (Data Input 0) - Data input for flip-flop 0
3. D1 (Data Input 1) - Data input for flip-flop 1
4. D2 (Data Input 2) - Data input for flip-flop 2
5. D3 (Data Input 3) - Data input for flip-flop 3
6. D4 (Data Input 4) - Data input for flip-flop 4
7. D5 (Data Input 5) - Data input for flip-flop 5
8. D6 (Data Input 6) - Data input for flip-flop 6
9. D7 (Data Input 7) - Data input for flip-flop 7
10. GND (Ground) - Ground reference
11. CP (Clock Pulse) - Clock input
12. OE (Output Enable) - Active LOW output enable input
13. Q0 (Flip-Flop 0 Output) - Output of flip-flop 0
14. Q1 (Flip-Flop 1 Output) - Output of flip-flop 1
15. Q2 (Flip-Flop 2 Output) - Output of flip-flop 2
16. Q3 (Flip-Flop 3 Output) - Output of flip-flop 3
17. Q4 (Flip-Flop 4 Output) - Output of flip-flop 4
18. Q5 (Flip-Flop 5 Output) - Output of flip-flop 5
19. Q6 (Flip-Flop 6 Output) - Output of flip-flop 6
20. VCC (Supply Voltage) - Positive supply voltage

Functional Features

The CD74HC273M is a high-speed CMOS logic integrated circuit that consists of eight D-type flip-flops. It provides reliable and efficient digital storage elements for various applications. The flip-flops can be clocked individually or simultaneously, allowing for flexible data storage and retrieval.

The chip operates on a wide voltage range of 2V to 6V, making it compatible with different power supply systems. It offers a propagation delay time of 13 ns, ensuring fast and accurate data processing. The output current capability of ±25mA enables direct drive of standard TTL circuits.

Advantages and Disadvantages

Advantages: - High-speed operation - Wide voltage range compatibility - Reliable and efficient digital storage - Direct drive capability for TTL circuits

Disadvantages: - Limited number of flip-flops (8) - Not suitable for applications requiring a large number of storage elements

Working Principles

The CD74HC273M operates based on the principles of D-type flip-flops. Each flip-flop stores a single bit of data and can be set or reset based on the clock input. When the clock pulse is applied, the data at the D inputs is transferred to the corresponding Q outputs. The clear input (CLR) allows for resetting all flip-flops simultaneously.

Detailed Application Field Plans

The CD74HC273M is widely used in digital systems where reliable data storage and retrieval are essential. Some common application fields include:

1. Microcontrollers: Used as temporary storage for data during processing.
2. Communication Systems: Facilitates buffering and synchronization of data signals.
3. Data Processing Units: Enables efficient storage and manipulation of binary data.
4. Control Systems: Provides memory elements for storing control signals.
5. Digital Displays: Used for driving LED or LCD segments in numeric displays.

Detailed and Complete Alternative Models

1. SN74HC273N: Similar 8-bit D-type flip-flop with a different package (DIP-20).
2. MC74HC273AN: Equivalent CMOS logic flip-flop with similar specifications.
3. CD4013BM: Dual D-type flip-f