VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Data Sheet
OC-48 16:1 SONET/SDH
MUX with Clock Generator
VSC8163
The results of this calculation are listed in Table 6:
Table 6: Maximum Ambient Air Temperature without Heatsink
Airflow
Max Ambient Temp( oC)
None
43
49
54
58
60
100 lfpm
200 lfpm
400 lfpm
600 lfpm
Note that ambient air temperature varies throughout the system based on the positioning and magnitude of
heat sources and the direction of air flow.
Ordering Information
The order number for this product is formed by a combination of the device number, and package type.
VSC8163
XX
Device Type
VSC8163: OC-48 16:1 SONET/SDH
MUX with Clock Generator
Package Style
QR: 128-pin PQFP
Notice
Vitesse Semiconductor Corporation (“Vitesse”) provides this document for informational purposes only. This document contains pre-production
information about Vitesse products in their concept, development and/or testing phase. All information in this document, including descriptions of
features, functions, performance, technical specifications and availability, is subject to change without notice at any time. Nothing contained in this
document shall be construed as extending any warranty or promise, express or implied, that any Vitesse product will be available as described or
will be suitable for or will accomplish any particular task.
Vitesse products are not intended for use in life support appliances, devices or systems. Use of a Vitesse product in such applications without writ-
ten consent is prohibited.
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
G52216-0, Rev 3.3
01/05/01
Page 19
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
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