SN74AHC245DGVR
Product Overview
Category
SN74AHC245DGVR belongs to the category of integrated circuits (ICs).
Use
It is commonly used as a bidirectional octal bus transceiver.
Characteristics
- High-speed CMOS technology
- Wide voltage range: 2 V to 5.5 V
- Low power consumption
- Schmitt-trigger inputs for noise immunity
- 3-state outputs for bus-oriented applications
Package
SN74AHC245DGVR is available in a small and surface-mountable package.
Essence
The essence of SN74AHC245DGVR lies in its ability to facilitate bidirectional data transfer between two buses with different voltage levels.
Packaging/Quantity
SN74AHC245DGVR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.
Specifications
- Supply Voltage Range: 2 V to 5.5 V
- Input Voltage Range: 0 V to VCC
- Output Voltage Range: 0 V to VCC
- Operating Temperature Range: -40°C to +85°C
- Propagation Delay Time: 6 ns (max)
- Output Current: ±8 mA
Detailed Pin Configuration
- DIR (Direction Control)
- 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)
- VCC (Supply Voltage)
- B8 (Input/Output)
- A8 (Input/Output)
Functional Features
- Bidirectional data transfer between two buses
- 3-state outputs for bus-oriented applications
- Schmitt-trigger inputs for noise immunity
- High-speed operation with low power consumption
- Wide voltage range compatibility
Advantages and Disadvantages
Advantages
- Supports bidirectional data transfer
- Wide voltage range compatibility
- Low power consumption
- Noise immunity due to Schmitt-trigger inputs
Disadvantages
- Propagation delay time may limit high-speed applications
- Limited output current capacity
Working Principles
SN74AHC245DGVR operates by controlling the direction of data flow between two buses using the DIR pin. When DIR is set to logic high, data flows from A1-A8 to B1-B8, and when DIR is set to logic low, data flows in the opposite direction. The OE pin enables or disables the outputs.
Detailed Application Field Plans
SN74AHC245DGVR finds applications in various fields, including: 1. Microcontroller interfacing 2. Data communication systems 3. Industrial automation 4. Automotive electronics 5. Consumer electronics
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to SN74AHC245DGVR are: 1. SN74LVC245A 2. SN74HCT245 3. CD74HCT245E 4. MC74VHC245DTR2G 5. 74ACT245
These models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific applications.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74AHC245DGVR i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of SN74AHC245DGVR:
Q: What is SN74AHC245DGVR? A: SN74AHC245DGVR is a bidirectional octal bus transceiver with 3-state outputs, commonly used for level shifting and voltage translation in digital systems.
Q: What is the operating voltage range of SN74AHC245DGVR? A: The operating voltage range is from 2 V to 5.5 V.
Q: How many bidirectional channels does SN74AHC245DGVR have? A: SN74AHC245DGVR has 8 bidirectional channels.
Q: What is the maximum data transfer rate supported by SN74AHC245DGVR? A: SN74AHC245DGVR supports data transfer rates up to 400 Mbps.
Q: Can SN74AHC245DGVR be used for level shifting between different voltage domains? A: Yes, SN74AHC245DGVR can be used for level shifting between different voltage domains, as long as the voltage levels are within its operating range.
Q: Does SN74AHC245DGVR have built-in ESD protection? A: Yes, SN74AHC245DGVR has built-in ESD protection, which helps protect the device from electrostatic discharge.
Q: Can SN74AHC245DGVR be used for bi-directional communication between microcontrollers and peripherals? A: Yes, SN74AHC245DGVR is commonly used for bi-directional communication between microcontrollers and peripherals, such as sensors or displays.
Q: What is the output drive capability of SN74AHC245DGVR? A: SN74AHC245DGVR has a typical output drive capability of ±24 mA.
Q: Can SN74AHC245DGVR be used in automotive applications? A: Yes, SN74AHC245DGVR is qualified for automotive applications and can be used in automotive systems.
Q: Are there any specific layout considerations for using SN74AHC245DGVR? A: Yes, it is recommended to follow the layout guidelines provided in the datasheet to ensure proper performance and minimize noise coupling.
Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.