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ICS84021 Datasheet, PDF (12/14 Pages) Integrated Circuit Systems – 260MHZ, CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER
Integrated
Circuit
Systems, Inc.
ICS84021
260MHZ, CRYSTAL-TO-LVCMOS / LVTTL
FREQUENCY SYNTHESIZER
RELIABILITY INFORMATION
TABLE 8. θJAVS. AIR FLOW TABLE FOR 32 LEAD LQFP
θJA by Velocity (Linear Feet per Minute)
Single-Layer PCB, JEDEC Standard Test Boards
Multi-Layer PCB, JEDEC Standard Test Boards
0
67.8°C/W
47.9°C/W
200
55.9°C/W
42.1°C/W
500
50.1°C/W
39.4°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 ICS84021 is: 4325
84021AY
www.icst.com/products/hiperclocks.html
12
REV. A NOVEMBER 7, 2003