Note 2: For Symmetrical Flasher with 50% duty cycle, disconnect Pin 3 from Pin 13.

FIGURE 5. ASYMMETRICAL FLASHER

7213R-090806-5

D1

OUT1

TRIGGER

OUT2

+V

A

RC

3

13

8

12

7

5

10

14

LS7213R

1s

10s

300

LED

50k

0.02uF

OUT2

The information included herein is believed to be ac-

curate and reliable. LSI Computer Systems, Inc. as-

sumes no responsibilities for inaccuracies, nor for

any infringements of patent rights of others which

may result from its use.