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PCA9549 Datasheet(PDF) 14 Page - NXP Semiconductors

Part # PCA9549
Description  Octal bus switch with individually I2C-bus controlled enables
PDF  25 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9549 Datasheet(HTML) 14 Page - NXP Semiconductors

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PCA9549_2
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 13 July 2009
14 of 25
NXP Semiconductors
PCA9549
Octal bus switch with individually I2C-bus controlled enables
Fig 14. Definition of timing on the I2C-bus
tSP
tBUF
tHD;STA
P
P
S
tLOW
tr
tHD;DAT
tf
tHIGH
tSU;DAT
tSU;STA
Sr
tHD;STA
tSU;STO
SDA
SCL
002aaa986
Fig 15. Definition of RESET timing
SDA
SCL
002aac314
50 %
70 %
50 %
50 %
trec(rst)
tw(rst)L
RESET
START
trst
ACK or read cycle



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