Digital Video Clock Source

MDS 660 E

5

Revision 040104

Integrated Circuit Systems, Inc.

ICS660

AC Electrical Characteristics

Unless stated otherwise, VDD = 3.3 V ±10%, Ambient Temperature -40 to +85

° C

Note 1: Selection 1111 is 0.16 ppm lower than the PAL specified frequency

Thermal Characteristics

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Crystal Frequency

28

MHz

Output Clock Rise Time

20% to 80%, 15 pF load

1.5

ns

Output Clock Fall Time

80% to 20%, 15 pF load

1.5

ns

Output Duty Cycle

at VDD/2, 15 pF load

40

49 to 51

60

%

Power up time

inputs out of PD state to

clocks stable

10

ms

Power down time

inputs in PD state to

clocks off

1

µs

Jitter, short term

Reference clock off

100

ps p-p

Jitter, short term

Reference clock on

125

ps p-p

Jitter, long term

Reference clock off; 10

us delay

300

ps p-p

Jitter, long term

Reference clock on; 10

us delay

300

ps p-p

Single sideband phase noise

Reference clock off; 10

kHz offset

-110

dBc

Single sideband phase noise

Reference clock on; 10

kHz offset

-110

dBc

Actual mean frequency error

versus target

Note 1

0

ppm

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Thermal Resistance Junction to

Ambient

θ

JA

Still air

78

°C/W

θ

JA

1 m/s air flow

70

°C/W

θ

JA

3 m/s air flow

68

°C/W

Thermal Resistance Junction to Case

θ

JC

37

°C/W