ICS557-03

2 OUTPUT PCI-EXPRESS GEN1 CLOCK SOURCE

PCIE SSCG

IDT®

2 OUTPUT PCI-EXPRESS GEN1 CLOCK SOURCE

9

ICS557-03

REV U 112111

Thermal Characteristics

Marking Diagram (ICS557G-03LF)

Marking Diagram (ICS557GI-03LF)

Notes:

1. ###### is the lot code.

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

3. “LF” designates Pb (lead) free package.

4. “I” designates industrial temperature range.

5. Bottom marking: (origin). Origin = country of origin of not USA.

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Thermal Resistance Junction to

Ambient

θJA

Still air

78

° C/W

θJA

1 m/s air flow

70

° C/W

θJA

3 m/s air flow

68

° C/W

Thermal Resistance Junction to Case

θJC

37

° C/W

8

16

9

557G03LF

######

YYWW

1

8

16

9

557GI03L

######

YYWW

1