| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 8 Pin |
| Supply Voltage (DC) | 3.00V (min) |
| Case/Package | TSSOP |
| Number of Positions | 8 Position |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 3V ~ 5.5V |
| Supply Voltage (Max) | 5.5 V |
| Supply Voltage (Min) | 3 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Unknown |
| Packaging | Each |
| Operating Temperature | -40℃ ~ 85℃ |
The PCA9509DP is a level translating I²C-bus/SMBus Repeater enables processor low voltage 2-wire serial bus to interface with standard I²C-bus or SMBus I/O. While retaining all the operating modes and features of the I²C-bus system during the level shifts, it also permits extension of the I²C-bus by providing bi-directional buffering for both the data (SDA) and the clock (SCL) lines, thus enabling the I²C-bus or SMBus maximum capacitance of 400pF on the higher voltage side. Port-A allows a voltage range from 1.35V to VCC(B) 1V and requires no external pull-up resistors due to the internal current source. Port-B allows a voltage range from 3 to 5.5V and is overvoltage tolerant. Both port-A and port-B SDA and SCL pins are high-impedance when the repeater is unpowered.
● Active high repeater enable input
● Open-drain inputs/outputs
● Lock-up free operation
● Supports arbitration and clock stretching across the repeater
● Powered-off high-impedance I²C pins
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