840AG-75

www.icst.com/products/hiperclocks.html

REV A. NOVEMBER 7, 2005

7

Integrated

Circuit

Systems, Inc.

ICS840-75

PRELIMINARY

The transistor count for ICS840-75 is: 2423

θ

JA

VS

θθθθθ

0

1

2.5

Multi-Layer PCB, JEDEC Standard Test Boards

101.7°C/W

90.5°C/W

89.8°C/W

θ

JA

VS

θθθθθ

0

200

500

Single-Layer PCB, JEDEC Standard Test Boards

153.3°C/W

128.5°C/W

115.5°C/W

Multi-Layer PCB, JEDEC Standard Test Boards

112.7°C/W

103.3°C/W

97.1°C/W

NOTE: Most modern PCB designs use multi-layered boards. The data in the second row pertains to most designs.