Spread Spectrum Clock Synthesizer

MDS 650-44 C

7

Revision 080305

Integrated Circuit Systems, Inc.

PRELIM INAR Y INFORM A T ION

ICS650-44

Thermal Characteristics

Marking Diagram

Marking Diagram (Pb free)

Notes:

1. ###### is the lot number.

2. YYWW is the last two digits of the year and the week number that the part was assembled.

3. “I” designates industrial temperature range.

4. “L” designates Pb (lead) free package.

5. Bottom marking: (origin)

Origin = country of origin of not USA.

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

1

8

9

16

650GI-44

######

YYWW

1

8

9

16

650GI44L

######

YYWW