PCA9516 Philips Semiconductors (Acquired by NXP), PCA9516 Datasheet - Page 5

• Manufacturer Part Number: PCA9516
• Description: PCA9516; 5-channel I2C Hub
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
On the Bus 1 side of the PCA9516, the clock and data lines would
have a positive offset from ground equal to the V
After the 8th clock pulse, the data line will be pulled to the V
slave device that is very close to ground in our example.
2002 May 13
5-channel I
V
OL
OF MASTER
2
C hub
9th CLOCK PULSE
9th CLOCK PULSE
OL
of the PCA9516.
V
OL
OF SLAVE
Figure 5. Bus 0 waveform
Figure 6. Bus 1 waveform
OL
of the
5
It is important to note that any arbitration or clock stretching events
on Bus 1 require that the V
below the V
Characteristics section) to be recognized by the PCA9516 and then
transmitted to Bus 0.
OL
of the PCA9516 (see V
V
OL
OL
OF PCA9516
of the devices on Bus 1 be 70 mV
V
OL
OF PCA9516
OL
– V
2 V/DIV
2 V/DIV
ilc
in the DC
PCA9516
Product data
SW00966
SW00965