PCA9306D PHILIPS [NXP Semiconductors], PCA9306D Datasheet - Page 9

• Manufacturer Part Number: PCA9306D
• Description: Dual bidirectional I2C-bus and SMBus voltage-level translator
• Manufacturer: PHILIPS [NXP Semiconductors]

NXP Semiconductors
11. Application information
PCA9306_2
Product data sheet
Fig 9. Typical application circuit (switch always enabled)
Fig 10. Typical application circuit (switch enable control)
(1) The applied voltages at V
(1) In the Enabled mode, the applied enable voltage and the applied voltage at V
than V
such that V
MASTER
MASTER
I
I
2
2
C-BUS
C-BUS
GND
GND
V
V
CC
CC
ref(1)
SDA
SDA
SCL
SCL
for best translator operation.
bias(ref)(2)
V
V
ref(1)
ref(1)
Rev. 02 — 21 February 2007
R PU
R PU
= 1.8 V
= 1.8 V
Dual bidirectional I
is at least 1 V higher than V
R PU
R PU
(1)
(1)
ref(1)
VREF1
VREF1
SDA1
SDA1
SCL1
SCL1
and V
3.3 V enable signal
off
2
3
4
2
3
4
pu(D)
PCA9306
PCA9306
should be such that V
SW
SW
SW
SW
2
on
1
1
C-bus and SMBus voltage-level translator
GND
GND
(1)
ref(1)
for best translator operation.
8 EN
7
6
5
8 EN
7
6
5
VREF2
VREF2
SCL2
SDA2
SCL2
SDA2
200 k
200 k
bias(ref)(2)
V
V
pu(D)
pu(D)
R PU
R PU
= 3.3 V
= 3.3 V
is at least 1 V higher
R PU
R PU
(1)
PCA9306
ref(1)
© NXP B.V. 2007. All rights reserved.
SCL
SDA
SCL
SDA
I
I
DEVICE
DEVICE
2
2
should be
C-BUS
C-BUS
GND
002aab847
GND
002aab848
V
V
CC
CC
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