ICS83940D Datasheet, PDF (12/15 Pages) Integrated Circuit Systems – LOW SKEW, 1-TO-18 LVPECL-TO-LVCMOS / LVTTL FANOUT BUFFER

Integrated
Circuit
Systems, Inc.
ICS83940D
LOW SKEW, 1-TO-18
LVPECL-TO-LVCMOS / LVTTL FANOUT BUFFER
RELIABILITY INFORMATION
TABLE 6. θ_JAVS. AIR FLOW TABLE FOR 32 LEAD LQFP
θ_JA 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 ICS83940D is: 820
83940DY
www.icst.com/products/hiperclocks.html
12
REV. B JUNE 15, 2004