pca9306gm NXP Semiconductors, pca9306gm Datasheet - Page 5

• Manufacturer Part Number: pca9306gm
• Description: Pca9306 Dual Bidirectional I2c-bus And Smbus Voltage-level Translator
• Manufacturer: NXP Semiconductors

NXP Semiconductors
6. Functional description
PCA9306_2
Product data sheet
5.2 Pin description
6.1 Function table
Table 2.
Refer to
Table 3.
H = HIGH level; L = LOW level.
[1]
Symbol
GND
VREF1
SCL1
SDA1
SDA2
SCL2
VREF2
EN
Input EN
H
L
EN is controlled by the V
operation.
Figure 1 “Logic diagram of PCA9306 (positive
[1]
Pin description
Function selection (example)
Pin
SO8,
TSSOP8 (MSOP8),
TSSOP8,
VSSOP8 (DC1),
XQFN8
1
2
3
4
5
6
7
8
Function
SCL1 = SCL2; SDA1 = SDA2
disconnect
Rev. 02 — 21 February 2007
bias(ref)(2)
Dual bidirectional I
logic levels and should be at least 1 V higher than V
VSSOP8 (DC)
4
1
2
3
5
6
7
8
2
C-bus and SMBus voltage-level translator
Description
ground (0 V)
low-voltage side reference supply voltage for
SCL1 and SDA1
serial clock, low-voltage side; connect to
VREF1 through a pull-up resistor
serial data, low-voltage side; connect to VREF1
through a pull-up resistor
serial data, high-voltage side; connect to
VREF2 through a pull-up resistor
serial clock, high-voltage side; connect to
VREF2 through a pull-up resistor
high-voltage side reference supply voltage for
SCL2 and SDA2
switch enable input; connect to VREF2 and
pull-up through a high resistor
logic)”.
PCA9306
© NXP B.V. 2007. All rights reserved.
ref(1)
for best translator
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