Triple PLL Field Programmable VCXO Clock Synthesizer

MDS 275 B

7

Revision 040805

Integrated Circuit Systems, Inc.

ICS275

PRELIMINARY INFORMATION

Thermal Characteristics

Marking Diagrams

Marking Diagrams (Pb free)

Notes:

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

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

3. “I” denotes industrial temp. range (if applicable).

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

5. Bottom marking: country of origin.

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

275PG

######

YYWW

1

8

9

16

275PGI

######

YYWW

1

8

9

16

275PGL

######

YYWW

1

8

9

16

275PGIL

######

YYWW