pca9518d NXP Semiconductors, pca9518d Datasheet - Page 6

• Manufacturer Part Number: pca9518d
• Description: Expandable 5-channel I2c Hub
• Manufacturer: NXP Semiconductors

Philips Semiconductors
It is important to note that any arbitration or clock stretching events on Bus 1 require that the V
V
2004 Sep 29
EXPANSION
OL
BUS 0
BUS 1
Expandable 5-channel I
BUS
of the PCA9518 (see V
WITH n > 1
SCL OF SLAVE
SDA OF SLAVE
BUS n
SCL OF MASTER
SDA OF MASTER
EXPSDA1
EXPSDA2
EXPSCL1
EXPSCL2
OL
t
f1
t
PHL
t
f2
– V
ilc
t
V
r1
in the DC Characteristics section) to be recognized by the PCA9518 and then transmitted to Bus 0.
OL
OF MASTER
2
C hub
t
t
r2
PLH
t
Er1
Figure 5. Bus waveforms
V
9TH CLOCK CYCLE
OL
OF SLAVE
6
t
st
OL
V
OL
of the devices on Bus 1 be 70 mV below the
OF PCA9518
V
OL
OF PCA9518
9TH CLOCK CYCLE
PCA9518
Product data sheet
SW01090