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SN74AVCAH164245KR
Product Overview
- Category: Integrated Circuit (IC)
- Use: Data transmission and signal conversion
- Characteristics: High-speed, low-power, bidirectional voltage-level translation
- Package: 56-pin VQFN package
- Essence: Voltage-level translator with 16-bit bus interface
- Packaging/Quantity: Tape and reel packaging, quantity varies
Specifications
- Supply Voltage Range: 1.2V to 3.6V
- Input Voltage Range: 0V to VCCA
- Output Voltage Range: 0V to VCCB
- Maximum Data Rate: 100 Mbps
- Number of Channels: 16
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The SN74AVCAH164245KR has a total of 56 pins. The pin configuration is as follows:
- A1
- B1
- A2
- B2
- A3
- B3
- A4
- B4
- A5
- B5
- A6
- B6
- A7
- B7
- A8
- B8
- GND
- OEAB
- VCCA
- VCCB
- DIR
- A9
- B9
- A10
- B10
- A11
- B11
- A12
- B12
- A13
- B13
- A14
- B14
- A15
- B15
- A16
- B16
- VREF
- GND
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- VCC
- GND
Functional Features
- Bidirectional voltage-level translation between two different voltage domains
- Supports 1.2V, 1.8V, 2.5V, and 3.3V logic levels
- Provides automatic direction control based on the DIR pin
- Low power consumption with partial power-down mode
- High-speed data transmission up to 100 Mbps
Advantages and Disadvantages
Advantages: - Wide supply voltage range allows compatibility with various systems - Bidirectional translation simplifies interfacing between different voltage domains - High-speed operation enables efficient data transfer - Low power consumption helps conserve energy - Automatic direction control reduces complexity in system design
Disadvantages: - Limited number of channels (16) may not be sufficient for certain applications requiring more connections - Operating temperature range (-40°C to +85°C) may not be suitable for extreme environments
Working Principles
The SN74AVCAH164245KR is a bidirectional voltage-level translator that allows seamless communication between two different voltage domains. It uses a combination of level-shifting circuits and direction control to ensure proper signal conversion.
When the DIR pin is set to a specific logic level, the translator determines the direction of data flow. If DIR is high, the translation occurs from A-side to B-side, and if DIR is low, the translation occurs from B-side to A-side.
The voltage translation is achieved through a series of level-shifting circuits that convert the input signals from one voltage domain to the corresponding output signals in the other voltage domain. This enables compatibility between different logic levels and facilitates data transmission.
Detailed Application Field Plans
The SN74AVCAH164245KR is widely used in various applications that require voltage-level translation, such as:
- Microcontrollers interfacing with different peripheral devices operating at different voltage levels
- Communication systems involving multiple voltage domains, such as UART, SPI, or I2C interfaces
- Industrial automation systems where sensors and actuators operate at different logic levels
- Automotive electronics for signal conversion between different components
- Consumer electronics for level translation between different subsystems
Detailed and Complete Alternative Models
- SN74AVCAH164245
- SN74LVC4245A
- TXB0108PWR
- PCA9306DCUR
- 74LVC245APW
These alternative models offer similar functionality and can be considered as alternatives to the SN74AVCAH164245KR based on specific requirements and system constraints.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SN74AVCAH164245KR en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of SN74AVCAH164245KR in technical solutions:
Q: What is SN74AVCAH164245KR? A: SN74AVCAH164245KR is a 16-bit dual-supply voltage level translator and bus switch.
Q: What is the purpose of SN74AVCAH164245KR? A: It is used to translate signals between different voltage domains, enabling communication between devices with different voltage levels.
Q: What voltage levels can SN74AVCAH164245KR support? A: It supports translation between two voltage domains, typically ranging from 1.2V to 3.6V.
Q: How many channels does SN74AVCAH164245KR have? A: It has 16 bidirectional channels, allowing for simultaneous translation of 16 signals.
Q: Can SN74AVCAH164245KR handle high-speed data transmission? A: Yes, it is designed to support high-speed data rates up to 100 MHz.
Q: Is SN74AVCAH164245KR suitable for both uni-directional and bi-directional applications? A: Yes, it can be used for both uni-directional and bi-directional signal translation.
Q: Does SN74AVCAH164245KR have built-in ESD protection? A: Yes, it incorporates ESD protection on all pins, ensuring robustness against electrostatic discharge.
Q: Can SN74AVCAH164245KR be used in battery-powered applications? A: Yes, it is suitable for battery-powered applications as it supports low-power operation.
Q: What is the operating temperature range of SN74AVCAH164245KR? A: It can operate within a temperature range of -40°C to 85°C.
Q: Are there any application notes or reference designs available for SN74AVCAH164245KR? A: Yes, Texas Instruments provides application notes and reference designs that can help in implementing SN74AVCAH164245KR in various technical solutions.
Please note that the answers provided here are general and may vary depending on specific use cases and requirements.