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PCA9515A - I2C-bus repeater

General Description

The PCA9515A is a CMOS integrated circuit intended for application in I2C-bus and SMBus systems.

Key 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 NXP Semiconductors PCA9515A.

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📁 Similar Datasheet

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Other Datasheets by NXP Semiconductors

Part Number Description
PCA9515 I2C-bus repeater
PCA9510 Hot swappable I2C and SMBus bus buffer
PCA9511 Hot swappable I2C and SMBus bus buffer
PCA9512 Level shifting hot swappable I2C and SMBus buffer
PCA9512A Level shifting hot swappable I2C-bus and SMBus bus buffer

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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PCA9515A I2C-bus repeater Rev. 5 — 23 March 2012 Product data sheet 1. General description The PCA9515A is a CMOS integrated circuit intended for application in I2C-bus and SMBus systems. While retaining all the operating modes and features of the I2C-bus system, it permits extension of the I2C-bus by buffering both the data (SDA) and the clock (SCL) lines, thus enabling two buses of 400 pF. The I2C-bus capacitance limit of 400 pF restricts the number of devices and bus length. Using the PCA9515A enables the system designer to isolate two halves of a bus, thus more devices or longer length can be accommodated. It can also be used to run two buses, one at 5 V and the other at 3.