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2014-01-0009

PT0485-1

02/11/14

2

PI6ULS5V9627A

4 Channel Level Translating

Fast-Mode Plus I

Pin Description

Note:

(1) The two GND pins need to be connected to the ground, can’t be floating.

(2) The two VCCA pins need to be connected to the power supply, can’t be floating.

(3) The two VCCB pins need to be connected to the power supply, can’t be floating.

Block Diagram

Figure 1: Block Diagram

Pin No.

Pin Name

Description

QSOP

TQFN

3

1

SDAA1

serial data port A bus 1

4

2

GND

(1)

supply ground (0 V)

5

3

VCCA

(2)

port A supply voltage (0.6 V to 5.5V)

6

4

SCLA2

serial clock port A bus 2

7

5

SDAA2

serial data port A bus 2

8

6

GND

(1)

supply ground (0 V)

9

7

EN2

active HIGH repeater enable input 2

10

8

SDAB2

serial data port B bus 2

11

9

SCLB2

serial clock port B bus 2

12

10

VCCB

(3)

port B supply voltage (2.2 V to 5.5 V)

13

11

EN1

active HIGH repeater enable input 1

14

12

SDAB1

serial data port B bus 1

15

13

SCLB1

serial clock port B bus 1

16

14

VCCB

(3)

port B supply voltage (2.2 V to 5.5 V)

1

15

VCCA

(2)

port A supply voltage (0.6 V to 5.5 V)

2

16

SCLA1

serial clock port A bus 1

EN1

EN2

Function

H

X

SCLA1 = SCLB1

SDAA1= SDAB1

X

H

SCLA2 = SCLB2

SDAA2=SDAB2

L

L

disabled