Low EMI Clock Generator

MDS 1726-11 A

5

Revision 092905

Integrated Circuit Systems, Inc.

ICS1726-11

PRELIMINARY INFORMATION

AC Electrical Characteristics

Unless stated otherwise, VDD = 3.3 V, Ambient Temperature 0 to +70

° C

Thermal Characteristics

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Input Clock Frequency

16

32

MHz

Output Clock Frequency

16

32

MHz

Input Clock Duty Cycle

Time above VDD/2

40

60

%

Output Clock Duty Cycle

Time above 1.5 V

45

50

55

%

Cycle to cycle Jitter

Fin=27 MHz,

Fout=27 MHz

200

450

ps

Output Rise Time

0.4 to 2.4 V

2.4

3.2

4.0

ns

Output Fall Time

2.4 to 0.4 V

2.4

3.2

4.0

ns

EMI Peak Frequency Reduction

8 to 16

dB

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Thermal Resistance Junction to

Ambient

θ

JA

Still air

150

°C/W

θ

JA

1 m/s air flow

140

°C/W

θ

JA

3 m/s air flow

120

°C/W

Thermal Resistance Junction to Case

θ

JC

40

°C/W