Integrated
Circuit
Systems, Inc.
ICS85357-01
4:1 OR 2:1
DIFFERENTIAL-TO-3.3V LVPECL / ECL CLOCK MULTIPLEXER
RELIABILITY INFORMATION
TABLE 7. θJAVS. AIR FLOW TABLE FOR 20 LEAD TSSOP
θJA by Velocity (Linear Feet per Minute)
Single-Layer PCB, JEDEC Standard Test Boards
Multi-Layer PCB, JEDEC Standard Test Boards
0
114.5°C/W
73.2°C/W
200
98.0°C/W
66.6°C/W
500
88.0°C/W
63.5°C/W
NOTE: Most modern PCB designs use multi-layered boards.The data in the second row pertains to most designs.
TRANSISTOR COUNT
The transistor count for ICS85357-01 is: 400
85357AG-01
www.icst.com/products/hiperclocks.html
10
REV. A MARCH 21, 2005