USA555

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

6 of 8

www.unisonic.com.tw

QW-R106-005.C



TYPICAL APPLICATION CIRCUIT

DISCH

GND

TRIG

THRES

CONT

RESET

OUT

(5V~15V)

5

8

3

Output

4

7

6

2

Input

1

Figure 1. Circuit for Monostable Operation

DISCH

Figure 2. Circuit for Astable Operation

TRIG

THRES

CONT

RESET

OUT

3

Output

1

(5V~15V)

C

58

4

7

6

2

0.01µF

Open

(see Note 1)

Notes: 1. Decoupling CONT voltage to ground with a capacitor can improve operation.

This should be evaluated for individual applications.

f =

=

3. Formula 0.693 values for reference only.

GND

1

T

1.44