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| TCA9617A Datasheet, PDF (9/17 Pages) Texas Instruments – LEVEL-TRANSLATING FM+ I2C BUS REPEATER | |||
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www.ti.com
VCCA
240
240
Master
1 MHz
VCCB
820
VCCA VCCB
SDAA
SCLA
SDAB
SCLB
TCA9617A
EN
820
SLAVE
1 MHz
820
820
VCCA VCCB
SDAA
SCLA
SDAB
SCLB
TCA9617A
EN
BUS B
SLAVE
1 MHz
TCA9617A
SCPS244 â JUNE 2013
820
820
VCCA VCCB
SDAA
SCLA
SDAB
SCLB
TCA9617A
EN
Figure 7. Typical Star Application
SLAVE
1 MHz
Multiple TCA9617A A sides can be connected in a star configuration, allowing all nodes to communicate with
each other.
VCCA
VCCB
240
240
820
820
820
820
820
820
VCCA
SDAA
SCLA
VCCB
SDAB
SCLB
VCCA
SDAA
SCLA
VCCB
SDAB
SCLB
VCCA
SDAA
SCLA
VCCB
SDAB
SCLB
SDA
SCL
Master
1 MHz
TCA9617A
EN
TCA9617A
EN
TCA9617A
EN
Slave
1 MHz
Figure 8. Typical Series Application
Multiple TCA9617As 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.
Copyright © 2013, Texas Instruments Incorporated
Product Folder Links: TCA9617A
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