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74LVC8T245BQ
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Herstellerteil #74LVC8T245BQ
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Spezifikationen
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Übersicht
Description
The device operates as an 8-bit bus transceiver with configurable direction control, allowing data transfer from A to B or B to A. It features overvoltage-tolerant inputs and outputs, ensuring robust performance even when voltages exceed the supply levels. The 74LVC8T245BQ is characterized by high-speed operation, low power consumption, and a 3-state output capability, which is essential for bus-oriented applications.
Packaged in the TSSOP or DQFN package, it is suitable for compact designs. The device is commonly used in applications such as computing, networking, and portable devices where multiple voltage domains must interact seamlessly. Its robust design makes it ideal for modern, high-speed digital communication systems.
Equivalent
1. Texas Instruments SN74LVC8T245
2. ON Semiconductor NVT8T245
3. Microchip Technology 74AVC8T245
These alternatives offer similar bus transceiver functionalities with dual-supply voltage translation suitable for interfacing between systems with different voltage levels. Always verify the specifications to ensure compatibility with your specific application.
Features
Key features include:
1. Dual Supply Operation: Supports voltage translation between different logic levels.
2. Direction Control: Controls the direction of data flow through a DIR pin.
3. 3-State Outputs: Provides high-impedance outputs for bus isolation when not enabled, controlled by the OE pin.
4. Wide Voltage Range: Operates with VCCA from 1.2V to 5.5V and VCCB from 1.2V to 5.5V.
5. High-Speed Performance: Capable of operating at high data rates.
6. Low Power Consumption: Features low static power consumption.
7. Logic Level Conversion: Ideal for interfacing between different logic families.
8. Protection Features: Includes ESD protection and latch-up performance.
The package is typically available in a small footprint for space-constrained applications.
Pinout
Key functions include:
- Bidirectional Data Transfer: Allows data transmission in both directions between two buses.
- Voltage Level Translation: Capable of translating signals between different voltage levels, making it suitable for mixed voltage systems.
- OE (Output Enable): Controls the output state. When OE is LOW, the device is enabled for operation; when HIGH, the outputs are in high-impedance state.
- DIR (Direction Control): Determines the direction of data flow through the transceiver.
The device operates over a wide power supply range, typically from 1.2V to 5.5V, which increases its versatility in different applications. It is primarily used in applications requiring interface between systems operating at different voltages, such as between low-power sub-systems and higher voltage components.