CF5017 series

SEIKO NPC CORPORATION —6

Switching Characteristics

3V operation (CF5017ALA, ALB, ALC, ALD)

5V operation (CF5017ALA, ALB, ALC)

Current consumption and Output waveform with NPC’s standard crystal

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Output rise time

–

2.5

5

ns

Output fall time

–

2.5

5

ns

1. The duty cycle characteristic is checked the sample chips of each production lot.

Duty

45–55

%

2. Oscillator stop function is built-in. When INHN goes LOW, normal output stops. When INHN goes HIGH, normal output is not resumed until after the

oscillator start-up time has elapsed.

–

–

100

ns

–

–

100

ns

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Output rise time

–

2

4

ns

Output fall time

–

2

4

ns

1. The duty cycle characteristic is checked the sample chips of each production lot.

Duty

45–55

%

2. Oscillator stop function is built-in. When INHN goes LOW, normal output stops. When INHN goes HIGH, normal output is not resumed until after the

oscillator start-up time has elapsed.

–

–

100

ns

–

–

100

ns

f [MHz]

R [

Ω]

L [mH]

Ca [fF]

Cb [pF]

30

18.62

16.24

1.733

5.337

40

20.53

11.34

1.396

3.989

50

22.17

7.40

1.370

4.105

60

15.37

3.83

1.836

5.191

70

25.42

4.18

1.254

5.170

85

20.58

5.22

0.671

4.965

L

Ca

R

Cb