74HC245D,653
Product Overview
Category
The 74HC245D,653 belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used for signal level shifting and voltage translation in digital systems.
Characteristics
- High-speed operation
- Wide operating voltage range
- Low power consumption
- Compatibility with TTL inputs
- Schmitt-trigger action on all inputs
Package
The 74HC245D,653 is available in a standard SOIC (Small Outline Integrated Circuit) package.
Essence
The essence of this product lies in its ability to provide bidirectional voltage level shifting between two different voltage domains.
Packaging/Quantity
The 74HC245D,653 is typically packaged in reels, containing a quantity of 2500 units per reel.
Specifications
- Supply Voltage Range: 2V to 6V
- Input Voltage Range: 0V to VCC
- Output Voltage Range: 0V to VCC
- Operating Temperature Range: -40°C to +125°C
- Maximum Propagation Delay: 15 ns
Detailed Pin Configuration
The 74HC245D,653 has a total of 20 pins. The pin configuration is as follows:
- OE (Output Enable)
- A1 (Input/Output)
- B1 (Input/Output)
- A2 (Input/Output)
- B2 (Input/Output)
- A3 (Input/Output)
- B3 (Input/Output)
- A4 (Input/Output)
- B4 (Input/Output)
- GND (Ground)
- B5 (Input/Output)
- A5 (Input/Output)
- B6 (Input/Output)
- A6 (Input/Output)
- B7 (Input/Output)
- A7 (Input/Output)
- B8 (Input/Output)
- A8 (Input/Output)
- VCC (Supply Voltage)
- DIR (Direction Control)
Functional Features
- Bidirectional voltage level shifting
- Non-inverting outputs
- High-speed operation
- Schmitt-trigger action for noise immunity
- Output enable control for bus isolation
Advantages and Disadvantages
Advantages
- Wide operating voltage range allows compatibility with various systems
- Low power consumption for energy-efficient designs
- Schmitt-trigger action on all inputs provides noise immunity
- Bidirectional functionality simplifies circuit design
Disadvantages
- Limited maximum propagation delay may not be suitable for certain high-speed applications
- Availability in only SOIC package may limit integration options in some designs
Working Principles
The 74HC245D,653 operates by receiving input signals from one voltage domain and translating them to the appropriate voltage levels of another domain. The bidirectional functionality allows seamless communication between different voltage systems.
Detailed Application Field Plans
The 74HC245D,653 finds applications in various fields, including:
- Microcontroller interfacing
- Data communication systems
- Industrial automation
- Automotive electronics
- Consumer electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the 74HC245D,653 include:
- SN74LV245A
- CD74HCT245E
- MC74VHC245DT
These alternatives can be considered based on specific project requirements and availability.
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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של 74HC245D,653 בפתרונות טכניים
Sure! Here are 10 common questions and answers related to the application of 74HC245D,653 in technical solutions:
Q: What is the 74HC245D,653? A: The 74HC245D,653 is a high-speed octal bus transceiver with 3-state outputs. It can be used for bidirectional level shifting between different voltage domains.
Q: What is the maximum operating voltage for the 74HC245D,653? A: The maximum operating voltage for the 74HC245D,653 is typically 5.5V.
Q: How many data lines can the 74HC245D,653 handle? A: The 74HC245D,653 can handle 8 data lines, as it is an octal (8-bit) bus transceiver.
Q: Can the 74HC245D,653 be used for level shifting between different voltage levels? A: Yes, the 74HC245D,653 can be used for level shifting between different voltage levels, as long as the voltage levels are within its specified range.
Q: Does the 74HC245D,653 have 3-state outputs? A: Yes, the 74HC245D,653 has 3-state outputs, which means that the outputs can be disabled or put into a high-impedance state when not actively driving the bus.
Q: What is the maximum data transfer rate supported by the 74HC245D,653? A: The maximum data transfer rate supported by the 74HC245D,653 is typically around 80 MHz.
Q: Can the 74HC245D,653 be used in both parallel and serial communication systems? A: Yes, the 74HC245D,653 can be used in both parallel and serial communication systems, depending on the specific application requirements.
Q: Does the 74HC245D,653 have built-in protection against overvoltage or ESD events? A: The 74HC245D,653 does not have built-in protection against overvoltage or ESD events. Additional external protection measures may be required.
Q: Can the 74HC245D,653 be used in automotive applications? A: Yes, the 74HC245D,653 is suitable for use in automotive applications, as it meets the necessary specifications for automotive electronics.
Q: Are there any recommended reference designs or application notes available for the 74HC245D,653? A: Yes, the manufacturer of the 74HC245D,653 typically provides reference designs and application notes that can help guide the implementation of the IC in various technical solutions. These resources can be found on their website or documentation.