NXP Semiconductors
PCA9507
2-wire serial bus extender for HDMI DDC I2C-bus and SMBus
SDA
SCL
BUS
MASTER
VCC(A)
VCC(B)
10 kΩ
10 kΩ
VCC(A)
10 kΩ
VCC(B)
SDAA
SCLA
SDAB
SCLB
PCA9507
EN
10 kΩ
SDA
SCL
SLAVE
400 kHz
VCC(A)
10 kΩ
VCC(B)
SDAA
SCLA
SDAB
SCLB
PCA9507
EN
10 kΩ
SDA
SCL
SLAVE
400 kHz
Fig 9. Typical star application
VCC(A)
10 kΩ
VCC(B)
SDAA
SCLA
SDAB
SCLB
PCA9507
EN
10 kΩ
SDA
SCL
SLAVE
400 kHz
002aad406
10 kΩ
SDA
SCL
BUS
MASTER
10 kΩ
10 kΩ
SDAA
SCLA
SDAB
SCLB
PCA9507
EN
VCC
10 kΩ
10 kΩ
SDAA
SCLA
SDAB
SCLB
PCA9507
EN
10 kΩ
10 kΩ
SDAA
SCLA
SDAB
SCLB
PCA9507
EN
10 kΩ
SDA
SCL
SLAVE
400 kHz
Fig 10. Typical series application
002aad407
PCA9507_1
Product data sheet
Rev. 01 — 7 February 2008
© NXP B.V. 2008. All rights reserved.
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