7-491

CD4098BMS

FIGURE 10. TYPICAL MINIMUM RESET PULSE WIDTH vs EXTERNAL CAPACITANCE

FIGURE 11. AVERAGE POWER DISSIPATION vs ONE-SHOT PULSE WIDTH

Applications

FIGURE 12. PULSE DELAY

SUPPLY VOLTAGE (VDD) = 5V

10V

15V

CL = 50pF

RX = 100K

Ω

FREQUENCY = 100KHz

RISE TIME (tr), FALL (tf) = 20ns

10

24

6 8

24

6 8

24

6 8

24

6 8

EXTERNAL CAPACITANCE (CX) (pF)

10

2

4

6

8

2

4

6

8

2

4

6

8

2

4

6

8

6

4

2

6

4

2

6

4

2

6

4

2

10

6

4

2

1

8

6

4

28

6

4

28

6

4

28

6

4

28

ONE-SHOT PULSE WIDTH (

RX = 5K

Ω TO 1MΩ

CL = 50pF

VDD = 5V

= 10V

= 15V

CX = 100pF

1

µF

0.1

µF

0.01

µF

1000pF

To calculate average power dissipation(P)

for less than 100% duty cycle:

P100 = average power for 100% duty

cycle:

P =

(

width

τT

τT = trigger pulse period

e.g. For

µs, tT = 1000µs. CX = 0.01mF

VDD = 5V

P1 =

(

graph)

1000

MONO 1

4

5

3

+TR

VDD

RX1

12

6

Q

CX1

MONO 2

11

12

13

-TR

VDD

RX2

15

14

10

Q

CX2

VSS

VDD

VDD

OUTPUT

T1

T2

INPUT PULSE

OUTPUT PULSE

T1

≈

2

RX1 CX1

T2

≈

2

RX2 CX2

CX

≥ 0.01µF