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PCA9509PDP,118
Interface - Signal Buffers, Repeaters I2C/SMBus Repeater
- Product Category: Signal Buffers, Repeaters
- Mfr. Part # PCA9509PDP,118
- Manufacturer: NXP
- Package: Cut Tape/Reel
- Lead Free Status /RoHS Status:
- Data Sheet: PCA9509PDP,118 Datasheet
- Inventory: In Stock
- Unit Price: Inquiry
- Quantity: -+
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Mfr. Part #: PCA9509PDP,118
- Product Details
Product Details
General description
The PCA9509P is a level translating I2C-bus/SMBus repeater with two voltage supplies that 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 bidirectional buffering for both the data (SDA) and the clock (SCL) lines, thus enabling the I2C-bus or SMBus maximum capacitance of 400 pF on the higher voltage side. Port A allows a voltage range from 0.8 V to 2.0 V and is overvoltage tolerant. Port B allows a voltage range from 2.3 V to 5.5 V and is overvoltage tolerant. Both port A and port B SDA and SCL pins are high-impedance when the PCA9509P is unpowered.Features and benefits
â– Bidirectional buffer isolates capacitance and allows 400 pF on port B of the deviceâ– Voltage level translation from port A (0.8 V to 2.0 V) to port B (2.3 V to 5.5 V)
â– No internal current source on A port to reduce current consumption for portable applications
â– Active HIGH enable input disables current mirrors to reduce standby power
â– Open-drain inputs/outputs
â– Lock-up free operation
â– Supports arbitration and clock stretching across the repeater
â– Accommodates Standard-mode and Fast-mode I2C-bus devices and multiple masters
â– Powered-off high-impedance I2C-bus pins
â– Operating supply voltage range of 0.8 V to 2.0 V on port A, 2.3 V to 5.5 V on port B
â– All pins are 5 V tolerant with respect to ground pin
â– 0 Hz to 400 kHz clock frequency
Remark: The maximum system operating frequency may be less than 400 kHz because of the delays added by the repeater.
â– ESD protection exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101
â– Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
â– Packages offered: TSSOP8, XQFN8
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Please send inquiry, we will respond immediately.
Mfr. Part #: PCA9509PDP,118
