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NXP PCA9509PDP,118

Specialized Interface, I2C, SMBus, I2C Bus & SMBus Systems Applications, 2.3 V, 5.5 V, TSSOP

NXP PCA9509PDP,118
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Manufacturer:
NXP NXP
Manufacturer Part No:
PCA9509PDP,118
Order Code:
2917587RL
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Technical Datasheet:
PCA9509PDP,118   Datasheet
ECAD / MCAD
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Product Overview

PCA9509PDP,118 is a low power level translating I²C-bus/SMBus repeater with two voltage supply 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 and the clock lines, thus enabling the I²C-bus or SMBus maximum capacitance of 400pF on the higher voltage side. Port A allows a voltage range from 0.8V to 2.0V and is overvoltage tolerant. Port B allows a voltage range from 2.3V to 5.5V and is overvoltage tolerant. Both port A and port B SDA and SCL pins are high-impedance when it is unpowered. Bus port B drivers are compliant with SMBus I/O levels, while port A uses an offset LOW which prevents bus lock-up and allows the bidirectional nature of the device. When the port A I/O is driven LOW internally, the LOW is not recognized as a LOW by input.
  • Bidirectional buffer isolates capacitance and allows 400pF on port B of the device
  • No internal current source on A port to reduce current consumption for portable applications
  • Active HIGH enable input disables current mirrors to reduce standby power
  • Open-drain inputs/outputs, lock-up free operation
  • Supports arbitration and clock stretching across the repeater
  • Accommodates standard-mode and Fast-mode I²C-bus devices and multiple controllers
  • Powered-off high-impedance I²C-bus pins, all pins are 5V tolerant with respect to ground pin
  • ESD protection exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101
  • Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100mA
  • TSSOP8 package, ambient temperature range from -40°C to +85°C

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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I2C, SMBus

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I2C Bus & SMBus Systems Applications

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TSSOP

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Technical Documents (2)

Packaging type Re-reel
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201 UK stock available for 3-4 business days delivery

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