PCA9514A Description
PCA9513A; PCA9514A Hot swappable I2C-bus and SMBus bus buffer Rev.04 * 18 August 2009 Product data sheet 1.General .
The PCA9513A and PCA9514A are hot swappable I2C-bus and SMBus buffers that allow I/O card insertion into a live backplane without corrupting the data.
PCA9514A Features
* I Bidirectional buffer for SDA and SCL lines increases fan-out and prevents SDA and SCL corruption during live board insertion and removal from multipoint backplane systems
I Compatible with I2C-bus Standard mode, I2C-bus Fast mode, and SMBus standards I Built-in ∆V/∆t rise time accelerators on all
PCA9514A Applications
* Including the current source in the device provides for a consistent RC time constant as cards are removed and inserted into the backplane. The current source is high-impedance whenever the pin voltage is greater than the part VCC. The PCA9513A and PCA9514A rise time accelerator threshold is 0.8 V
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