4-Level or 2-Level Logic to High-Voltage

Level Shifter for TFT LCD TV Display

6

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Pin Description

PIN

NAME

FUNCTION

1

A1

Level Shifter Logic Input

2

B1

Level Shifter Logic Input

3

A2

Level Shifter Logic Input

4

B2

Level Shifter Logic Input

5

A3

Level Shifter Logic Input

6

B3

Level Shifter Logic Input

7

A4

Level Shifter Logic Input

8

B4

Level Shifter Logic Input

9

A5

Level Shifter Logic Input

10

B5

Level Shifter Logic Input

11

A6

Level Shifter Logic Input

12

B6

Level Shifter Logic Input

13

A7

Level Shifter Logic Input

14

B7

Level Shifter Logic Input

15

DGND

Output Supply Ground Connection

16

VL2

Output Supply Rail. Bypass VL2 to DGND with a 0.1μF capacitor.

17

VL1

Output Supply Rail. Bypass VL1 to DGND with a 0.1μF capacitor.

18

VCOM

Output Supply Rail. Bypass VCOM to DGND with a 0.1μF capacitor.

19

OB7

Level Shifter Output

20

OA7

Level Shifter Output

21

OB6

Level Shifter Output

22

OA6

Level Shifter Output

23

OB5

Level Shifter Output

24

OA5

Level Shifter Output

25

OB4

Level Shifter Output

26

OA4

Level Shifter Output

27

OB3

Level Shifter Output

28

OA3

Level Shifter Output

29

OB2

Level Shifter Output

30

OA2

Level Shifter Output

31

OB1

Level Shifter Output

32

OA1

Level Shifter Output

33

ST

State/Combinational Logic Select. Connect ST to VCC for state logic and to DGND for combinational

logic operation.

34

VH1

Output Supply Rail. Bypass VH1 to DGND with a 0.1μF capacitor.

35

VH2

Output Supply Rail. Bypass VH2 to DGND with a 0.1μF capacitor.

36

VLS

Upper Supply Rail. Bypass VLS to DGND with a 0.1μF capacitor.

37

AGND

Input Logic Ground Connection

38

VCC

Input Logic Supply Connection. Bypass to AGND with a minimum 0.1μF capacitor.