SC16722

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

R EV:1.0

2006.04.19

http: www.silan.com.cn

Page 4 of 7

(Continued)

Pin No.

Pin Name

I/O

Descriptions

5

OUT0

O

Driving output

6

GND

I/O

Ground

7

OUT1

O

Driving output

8

GND

I/O

Ground

9

OUT2

O

Driving output

10

CKOUT

O

Serial clock output

11

OEOUT

O

Output enable output

12

LOUT

O

Loading signal output

13

DOUT

O

Serial data output

14

I/O

Power supply

FUNCTION DESCRIPTION

SC16722 provides serial shift register and output storage register. When the serial clock input signal (CKIN

leaps from low level to high level, the serial input data

DIN

is stored in register and the serial input changes to

3 bits parallel output; When the loading signal input (LIN

leaps from low level to high level, the output of

register is as the input of the output storage register. SC16722 applies for LED display device, and it can provide

3 driving output of heavy current. Also it adapts to various cascade applications.

TIME SEQUENCY SCHEME

CKIN

DIN

OEBIN

2

1

0

LIN

OUT0

OUT1

OUT2

CKOUT

DOUT

OEBOUT

LOUT

2

1

0

5V

0V

5V

0V

5V

0V

5V

0V

5V

0V

5V

0V

5V

0V

5V

0V

5V

0V

5V

0V

5V

0V

Hiz

Hiz

Hiz

Hiz

Hiz

Hiz