CD74HC245MG4

Product Overview

Category

CD74HC245MG4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for signal level shifting and voltage translation in various electronic applications.

Characteristics

• High-speed operation
• Wide voltage range compatibility
• Low power consumption
• High noise immunity
• ESD protection
• RoHS compliant

Package

CD74HC245MG4 is available in a standard 20-pin TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of CD74HC245MG4 lies in its ability to provide bidirectional voltage level translation between different logic levels, making it an essential component in digital systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 8 ns (max)
• Output Current: ±6 mA

Detailed Pin Configuration

1. A1 - Input/Output Port A1
2. A2 - Input/Output Port A2
3. A3 - Input/Output Port A3
4. A4 - Input/Output Port A4
5. A5 - Input/Output Port A5
6. A6 - Input/Output Port A6
7. A7 - Input/Output Port A7
8. GND - Ground
9. B7 - Input/Output Port B7
10. B6 - Input/Output Port B6
11. B5 - Input/Output Port B5
12. B4 - Input/Output Port B4
13. B3 - Input/Output Port B3
14. B2 - Input/Output Port B2
15. B1 - Input/Output Port B1
16. OE - Output Enable
17. VCC - Supply Voltage
18. DIR - Direction Control
19. NC - No Connection
20. GND - Ground

Functional Features

• Bidirectional voltage level translation
• Non-inverting outputs
• High-speed operation
• 3-state outputs for bus-oriented applications
• ESD protection for robustness

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer.
• Wide voltage range compatibility enables use in various systems.
• Low power consumption contributes to energy efficiency.
• High noise immunity ensures reliable signal transmission.
• ESD protection enhances durability.

Disadvantages

• Limited number of input/output ports (A1-A7, B1-B7).
• Not suitable for applications requiring higher output currents.

Working Principles

CD74HC245MG4 operates based on the principles of CMOS (Complementary Metal-Oxide-Semiconductor) technology. It utilizes a combination of MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) to achieve bidirectional voltage level shifting. The direction control pin (DIR) determines the direction of data flow, while the output enable pin (OE) controls the tri-state outputs.

Detailed Application Field Plans

CD74HC245MG4 finds extensive application in various digital systems, including but not limited to: - Microcontrollers - Data communication interfaces - Memory modules - Industrial automation systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to CD74HC245MG4 are: - SN74LVC245A - MC74LVX245 - 74HCT245

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

In conclusion, CD74HC245MG4 is a versatile integrated circuit that provides bidirectional voltage level translation. Its high-speed operation, wide voltage range compatibility, and low power consumption make it suitable for various digital applications. However, it has limitations in terms of the number of input/output ports and output current capability. Understanding its working principles and considering alternative models can help in selecting the appropriate solution for specific design needs.