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規格
| 屬性 | 價值 |
| Brand | Nexperia |
概述
Description
The 74LVCH8T245PW is an 8-bit dual supply level shifter designed for high-speed data transmission. It features two separate power supply inputs, allowing voltage level translation between devices operating at different logic levels, typically from 1.2V to 3.6V. This makes it ideal for interfacing between low-voltage components and higher voltage systems.
Key features include high-speed operation (up to 400 Mbps), low power consumption, and support for both unidirectional and bidirectional data flow. It also includes a tri-state output, allowing multiple devices to share the same bus without interference.
The device is available in a compact TSSOP package, making it suitable for space-constrained applications. It finds applications in various fields, including telecommunications, automotive electronics, and consumer electronics, where reliable data communication between different logic levels is essential.
Overall, the 74LVCH8T245PW is a versatile and efficient solution for voltage level shifting in digital circuits.
Key features include high-speed operation (up to 400 Mbps), low power consumption, and support for both unidirectional and bidirectional data flow. It also includes a tri-state output, allowing multiple devices to share the same bus without interference.
The device is available in a compact TSSOP package, making it suitable for space-constrained applications. It finds applications in various fields, including telecommunications, automotive electronics, and consumer electronics, where reliable data communication between different logic levels is essential.
Overall, the 74LVCH8T245PW is a versatile and efficient solution for voltage level shifting in digital circuits.
Equivalent
Equivalent products to the 74LVCH8T245PW include the following: 74LVC8T245, 74LVX8T245, 74LVC8T245A, and 74LVC8T245M. These chips are similar in functionality as 8-bit bidirectional level shifters or buffers, supporting various voltage ranges. Always verify the specific voltage and performance characteristics for compatibility in your application.
Features
The 74LVCH8T245PW is an octal bidirectional level shifter and buffer designed for high-speed data communication between different voltage levels. Key features include:
1. Bidirectional Operation: Supports data transfer in both directions, making it versatile for multiple configurations.
2. Voltage Compatibility: Operates with input voltages from 1.2V to 5.5V, enabling it to interface between various logic levels (e.g., 3.3V and 5V).
3. High Speed: Capable of operating at high frequencies, typically up to 200 Mbps, facilitating fast data transfer rates.
4. Low Power Consumption: Designed for low on-state resistance and reduced power consumption, making it suitable for battery-operated devices.
5. Active Bus Hold Circuitry: Maintains the last state when inputs are floating, preventing signal loss.
6. Thermal Protection: Includes thermal shutdown features to protect against overheating.
7. Compact Package: Offered in a TSSOP-20 package, allowing for space-efficient designs.
This device is ideal for applications in telecommunications, consumer electronics, and industrial controls where level shifting and buffering are required.
1. Bidirectional Operation: Supports data transfer in both directions, making it versatile for multiple configurations.
2. Voltage Compatibility: Operates with input voltages from 1.2V to 5.5V, enabling it to interface between various logic levels (e.g., 3.3V and 5V).
3. High Speed: Capable of operating at high frequencies, typically up to 200 Mbps, facilitating fast data transfer rates.
4. Low Power Consumption: Designed for low on-state resistance and reduced power consumption, making it suitable for battery-operated devices.
5. Active Bus Hold Circuitry: Maintains the last state when inputs are floating, preventing signal loss.
6. Thermal Protection: Includes thermal shutdown features to protect against overheating.
7. Compact Package: Offered in a TSSOP-20 package, allowing for space-efficient designs.
This device is ideal for applications in telecommunications, consumer electronics, and industrial controls where level shifting and buffering are required.
Pinout
The 74LVCH8T245PW is an 8-bit dual supply transceiver, which means it has a total of 20 pins. The key functions of its pins are as follows:
1. Data Pins (A1-A8, B1-B8): These are the 8-bit data inputs and outputs for two different voltage levels.
2. Direction Control (DIR): This pin determines the direction of data flow. When HIGH, data flows from A to B; when LOW, the flow is from B to A.
3. Output Enable (OE): This pin enables or disables the outputs. When LOW, the outputs are active; when HIGH, they are in a high-impedance state.
4. Voltage Supply Pins (VCCA, VCCB): These pins supply power to the A and B sides, allowing operation at different voltage levels.
5. Ground Pins (GND): These are the common ground pins for the device.
This transceiver is commonly used for level shifting between different voltage domains in digital circuits.
1. Data Pins (A1-A8, B1-B8): These are the 8-bit data inputs and outputs for two different voltage levels.
2. Direction Control (DIR): This pin determines the direction of data flow. When HIGH, data flows from A to B; when LOW, the flow is from B to A.
3. Output Enable (OE): This pin enables or disables the outputs. When LOW, the outputs are active; when HIGH, they are in a high-impedance state.
4. Voltage Supply Pins (VCCA, VCCB): These pins supply power to the A and B sides, allowing operation at different voltage levels.
5. Ground Pins (GND): These are the common ground pins for the device.
This transceiver is commonly used for level shifting between different voltage domains in digital circuits.
Manufacturer
The manufacturer of the 74LVCH8T245PW is Nexperia. Nexperia is a global semiconductor company that specializes in the production of discrete, logic, and MOSFET components. The company was founded as a spin-off from NXP Semiconductors in 2017 and focuses on providing high-quality semiconductor solutions for a variety of applications, including automotive, industrial, and consumer electronics. Nexperia's product portfolio includes a wide range of integrated circuits (ICs), transistors, and diodes, which are essential for modern electronic devices. The company is known for its commitment to reliability and performance in its products, making it a significant player in the semiconductor industry.
Application
The 74LVCH8T245PW is an octal bidirectional level shifter and buffer/driver used in various application areas, including:
1. Bus Interfacing: Facilitates communication between devices operating at different voltage levels.
2. Signal Level Translation: Converts logic levels between 3.3V and 5V systems in mixed-voltage environments.
3. Microcontroller and FPGA Interfacing: Connects low-voltage microcontrollers to higher voltage peripherals or sensor modules.
4. Data Communication: Enhances signal integrity in data buses and interfaces (e.g., I2C, SPI).
5. Consumer Electronics: Used in devices requiring robust interfacing solutions, such as smartphones and tablets.
Its versatility makes it suitable for many digital applications requiring reliable voltage translation.
1. Bus Interfacing: Facilitates communication between devices operating at different voltage levels.
2. Signal Level Translation: Converts logic levels between 3.3V and 5V systems in mixed-voltage environments.
3. Microcontroller and FPGA Interfacing: Connects low-voltage microcontrollers to higher voltage peripherals or sensor modules.
4. Data Communication: Enhances signal integrity in data buses and interfaces (e.g., I2C, SPI).
5. Consumer Electronics: Used in devices requiring robust interfacing solutions, such as smartphones and tablets.
Its versatility makes it suitable for many digital applications requiring reliable voltage translation.
Package
The 74LVCH8T245PW is packaged in a TSSOP (Thin Shrink Small Outline Package) format, specifically a 20-pin TSSOP.
