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PCA9522 Datasheet(PDF) 2 Page - NXP Semiconductors

Part # PCA9522
Description  Fast dual bidirectional bus buffer with hot insertion logic
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9522 Datasheet(HTML) 2 Page - NXP Semiconductors

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PCA9522
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 1 — 28 September 2011
2 of 20
NXP Semiconductors
PCA9522
Fast dual bidirectional bus buffer with hot insertion logic
3.
Applications
Backplane management/interconnect
Telecommunications systems including ATCA
Desktop and portable computers including RAID
4.
Ordering information
5.
Block diagram
Table 1.
Ordering information
Type number
Topside
mark
Package
Name
Description
Version
PCA9522D
PCA9522
SO8
plastic small outline package; 8 leads; body width 3.9 mm
SOT96-1
PCA9522DP
9522
TSSOP8
plastic thin shrink small outline package; 8 leads; body width 3 mm
SOT505-1
Fig 1.
Block diagram of PCA9522
PCA9522
1
EN
SCLB
SDAB
3
6
SCLC
SDAC
2
7
VCC
8
4
GND
1.8 V to 10 V
2.7 V to 5.5 V
R5
SCL
SDA
1.8 V to 10 V
R1
R2
SCL
SDA
enable
(up to 10 V)
002aaf318
backplane
side
PRECHARGE
HOT INSERT
LOGIC
undervoltage
Vref
RDY
5
card
side
1.8 V to 10 V
R3
R4
ready


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