AN6783S 参数 Datasheet PDF下载

ICs for Timer

s

Application Circuit Example

AN6783S

The AN6783S can be used as an integrator-type timer and as a long time timer using a stop pin. It is also usable

as a ultra low frequency oscillator.

1. Ultra low frequency oscillation circuit

R

L

8 Mon.

7 V

CC

6 Out

5 CR

C

t

To

Each

block

F/F

15

F/F

2

F/F

1

OSC

•

Oscillation period

t

0(S)

≈

0.947R

t

(Ω) · C

t

(F)

•

Output period

t

2(S)

≈

t

0

×

32768

≈

31.03R

t

(kΩ) · C

t

(µF)

Voltage

stabilizer

Input

circuit

Input

circuit

V

S

1

Stop 2

Reset 3

V

CC

1

µF

to 10

µF

R

t

VCR

t

0

Monitor

t

1

Out

t

2

t

1

=

2t

0

GND 4

(

t

=

2

×

t

)

=

32768t

2

15

0

0

7