ICS553
LOW SKEW 1 TO 4 CLOCK BUFFER
FAN OUT BUFFER
Thermal Characteristics
Parameter
Symbol Conditions
Thermal Resistance Junction to
Ambient
θJA Still air
θJA 1 m/s air flow
θJA 3 m/s air flow
Thermal Resistance Junction to Case θJC
Marking Diagrams
8
5
8
5
Min.
Typ.
150
140
120
40
Max.
Units
° C/W
° C/W
° C/W
° C/W
553MLF
LOT
YYWW
553MILF
LOT
YYWW
1
4
1
4
Notes:
1. “LOT” is the lot number.
2. YYWW is the last two digits of the year and week that the part was assembled.
3 “LF” denotes RoHS compliant package.
4. “I” denotes industrial temperature range device.
5. Bottom marking: country of origin.
IDT® LOW SKEW 1 TO 4 CLOCK BUFFER
6
ICS553
REV N 051310