PCA9515ADG4 - Brand New Texas Instruments Signal Buffers, Repeaters, Splitters
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Description
The PCA9515ADG4 is a CMOS integrated circuit designed for use in I2C-bus and SMBus systems. With the ability to buffer both the data (SDA) and clock (SCL) lines, it enables the extension of the I2C-bus by allowing two buses with a capacitance limit of 400 pF. This means that more devices or longer bus lengths can be accommodated. The PCA9515ADG4 also supports the use of two buses operating at different voltages or speeds.
Specifications and features
- 2-channel, bidirectional buffer
- I2C-bus and SMBus compatible
- Active HIGH repeater enable input
- Open-drain input/outputs
- Lock-up free operation
- Supports arbitration and clock stretching across the repeater
- Accommodates Standard-mode and Fast-mode I2C-bus devices and multiple masters
- Powered-off high-impedance I2C-bus pins
- Operating supply voltage range of 2.3 V to 3.6 V
- 5.5 V tolerant I2C-bus and enable pins
Application Scenarios
The PCA9515ADG4 is suitable for use in various application scenarios such as:
- I2C-bus systems requiring an extension beyond the 400 pF capacitance limit
- SMBus systems that need to accommodate more devices or longer bus lengths
- Systems using multiple I2C-bus devices or multiple masters
- Systems requiring isolation of two halves of a bus
- Systems using buses operating at different voltages or speeds
Comparison
Advantages- Enables extension of the I2C-bus beyond the capacitance limit
- Supports multiple devices and longer bus lengths
- Compatible with I2C-bus and SMBus systems
- Supports arbitration and clock stretching
- Accommodates Standard-mode and Fast-mode devices
- Low power consumption with high-impedance I2C-bus pins in powered-off state
- Works with different operating supply voltages
- Provides 5.5 V tolerance for I2C-bus and enable pins
Disadvantages- Requires additional circuitry to implement
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Similar parts: 673 , Click to view
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Datasheet
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- Datasheet: Download PCA9515ADG4
- Chipdatas Part: CD89-PCA9515ADG4
- Warehouse: China, Hong Kong
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- Last Updated: 2024/06/03 06:59 +0800
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