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PCA9517 Datasheet(PDF) 10 Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS

Part # PCA9517
Description  LEVEL-TRANSLATING I2C BUS REPEATER
PDF  17 Pages
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Manufacturer  TAOS [TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS]
Direct Link  http://www.taosinc.com
Logo TAOS - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS

PCA9517 Datasheet(HTML) 10 Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS

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PCA9517
SDA
SDA
SCL
SCLA
SCL
EN
V
CCA
V
CCB
SDAB
SCLB
10 k
Ω
10 k
Ω
10 k
Ω
10 k
Ω
PCA9517
SDAA
SDA
SCLA
SCL
EN
SDAB
SCLB
10 k
Ω
10 k
Ω
PCA9517
SDAA
SDA
SCLA
SCL
EN
SDAB
SCLB
10 k
Ω
10 k
Ω
BUS
MASTER
SLAVE
400 kHz
SLAVE
400 kHz
SLAVE
400 kHz
SDAA
PCA9517
SDA
SDAA
SCL
SCLA
EN
SDAB
SCLB
10 k
Ω
10 k
Ω
V
CCB
PCA9517
SDAA
SCLA
EN
SDAB
SCLB
10 k
Ω
PCA9517
SDAA
SCLA
EN
SDAB
SCLB
10 k
Ω
SDA
SCL
10 k
Ω
SLAVE
400 kHz
BUS
MASTER
10 k
Ω
10 k
Ω
10 k
Ω
PCA9517
LEVEL-TRANSLATING I2C BUS REPEATER
SCPS157A – DECEMBER 2007 – REVISED FEBRUARY 2008
Figure 6. Typical Star Application
Multiple PCA9517 A sides can be connected in a star configuration, allowing all nodes to communicate with each
other.
Figure 7. Typical Series Application
Multiple PCA9517s can be connected in series as long as the A side is connected to the B side. I2C bus slave
devices can be connected to any of the bus segments. The number of devices that can be connected in series is
limited by repeater delay/time-of-flight considerations on the maximum bus speed requirements.
10
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Copyright © 2007–2008, Texas Instruments Incorporated
Product Folder Link(s): PCA9517



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