PCA9517DGKR
Translation - Voltage Levels Level-Translating I2C Bus RepeaterPCA9517DGKR
Translation - Voltage Levels Level-Translating I2C Bus Repeater
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製造商零件號 # : PCA9517DGKR
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包裝/封裝: VSSOP-8
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製造商: Texas Instruments
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產品分類 : Signal Buffers, Repeaters, Splitters
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PCA9517DGKR 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
Designed for efficient signal translation, the PCA9517DGKR level translator offers 2 inputs and 2 channels for versatile performance. With an output current of 6mA, this device ensures reliable signal conversion in various applications. The propagation delay of 169ns guarantees fast response times, making the PCA9517DGKR suitable for time-critical operations. The MSOP-8 package with 8 pins provides a compact and convenient form factor for easy integration into circuit designs. Operating within a supply voltage range of 900mV to 5.5V, this level translator accommodates a wide range of voltage levels. Furthermore, the PCA9517DGKR is RoHS compliant, meeting environmental standards for sustainable and safe electronic components
主要特徵
- Precise Clock Synchronization
- High-Speed Interface Support
- Safe and Secure Operation
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Frequency (max) (MHz) | 0.4 | VCCA (min) (V) | 0.9 |
VCCA (max) (V) | 5.5 | VCCB (min) (V) | 2.7 |
VCCB (max) (V) | 5.5 | Supply restrictions | No rule |
Rating | Catalog | Operating temperature range (°C) | -40 to 85 |
常見問題解答
What is PCA9517DGKR?
The PCA9517DGKR is an I2C-bus buffer with an internal input supply voltage translator. It is designed to provide level shifting between low voltage and high voltage I2C devices in mixed-mode I2C and SMBus applications.
How Does PCA9517DGKR Work?
The PCA9517DGKR works by buffering and translating the I2C bus signals between systems with different voltage levels, allowing devices with different operating voltages to communicate seamlessly. It features a voltage-level translation function that allows the lower voltage side to be connected to a higher voltage level, while providing Bidirectional Voltage-Level Translation for both Up-and Down-Translation.
How Many Pins does PCA9517DGKR have and What are the Functions of the Pinout Configuration?
The PCA9517DGKR is housed in a 8-pin VSSOP (Very Small Outline Package) package. The pinout configuration includes:
- VCCA: Voltage supply input for side A.
- GND: Ground pin.
- SCLx, SDx: I2C bus input and output pins for side x.
- VCCB: Voltage supply input for side B.
- EN: Enable input pin for control of the I2C-bus buffer.
What are the Pros and Cons of PCA9517DGKR?
Pros:
- Level Shifting: Enables seamless communication between low and high voltage I2C devices without direct compatibility.
- Bidirectional Translation: Supports bi-directional voltage-level translation.
- Small Package: Compact VSSOP package suitable for space-constrained designs.
- Enable Pin: Provides control over the I2C-bus buffer for added flexibility.
Cons:
- Additional Component: Requires external pull-up resistors for proper I2C-bus function.
- Complexity: Users need to ensure proper understanding of voltage translations and directionality.
Are There Any Equivalents/Alternatives to PCA9517DGKR for Recommendation?
- The PCA9306 from Texas Instruments offers a similar level-shifting and voltage translating function for I2C communication.
- Alternative devices include the NLSX4373 from ON Semiconductor and the SY100ELT23 from Microchip Technology.
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