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PCA9512 - Level shifting hot swappable I2C and SMBus buffer

Datasheet Summary

Description

The PCA9512 is a hot swappable I2C and SMBus buffer that allows I/O card insertion into a live backplane without corruption of the data and clock buses and includes two dedicated supply voltage pins to provide level shifting between 3.3 V and 5 V systems while maintaining the best noise margin for e

Features

  • Bi-directional buffer for SDA and SCL lines increases fanout and.
  • Compatible with I2C standard mode, I2C fast mode, and SMBus standards to disable ∆V/∆t rise time accelerators through the ACC pin for lightly loaded systems prevents SDA and SCL corruption during live board insertion and removal from multi-point backplane systems Figure 1. Pin configuration. SW02070 PIN.

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Datasheet Details

Part number PCA9512
Manufacturer NXP
File Size 176.15 KB
Description Level shifting hot swappable I2C and SMBus buffer
Datasheet download datasheet PCA9512 Datasheet
Additional preview pages of the PCA9512 datasheet.

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Full PDF Text Transcription

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INTEGRATED CIRCUITS PCA9512 Level shifting hot swappable I2C and SMBus buffer Product data sheet 2004 Oct 05 Philips Semiconductors Philips Semiconductors Product data sheet Level shifting hot swappable I2C and SMBus buffer PCA9512 DESCRIPTION The PCA9512 is a hot swappable I2C and SMBus buffer that allows I/O card insertion into a live backplane without corruption of the data and clock buses and includes two dedicated supply voltage pins to provide level shifting between 3.3 V and 5 V systems while maintaining the best noise margin for each voltage level. Either pin may be powered with supply voltages ranging from 2.7 V to 5.5 V with no constraints on which supply voltage is higher.
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