vsc880 Vitesse Semiconductor Corp, vsc880 Datasheet - Page 27

• Manufacturer Part Number: vsc880
• Description: High Performance 16x16 Serial Crosspoint Switch Semiconductor Corporation
• Manufacturer: Vitesse Semiconductor Corp

G52191-0, Rev 4.2
01/05/01
Data Sheet
VSC880
Notice
Vitesse Semiconductor Corporation (“Vitesse”) provides this document for informational purposes only. All information in this document, includ-
ing descriptions of features, functions, performance, technical specifications and availability, is subject to change without notice at any time. Noth-
ing 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.
surface configurations are shown in the package drawings. With natural convection, the junction to case thermal
resistance is estimated to be 0.45
Table 12.3. Note: The VSC880 is not guaranteed to operate under cold start conditions. If the ambient temperature is
0
equilibrium and ready for operation.
Table 8: Theta Junction-to-Ambient versus Air Velocity
Ordering Information
Package Thermal Characteristics
o
High Performance 16x16
Serial Crosspoint Switch
C, 15 seconds after power is applied, the case temperature will be at least 30
Device Type
Air Velocity
(LFPM)
The VSC880 is packaged in a thermally enhanced 31mm 304TBGA with an embedded heat sink. The heat sink
The order number for this product is formed by a combination of the device number and package type.
100
200
400
600
0
Low Conductivity
Junction-to-Ambient Thermal Resistance
2-Layer Board
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
17.5
15.0
13.0
11.0
10.0
Tel: (800) VITESSE • FAX: [phone] • Email: [e-mail]
VSC880 xx
o
C/W. The approximate air flow versus thermal resistance relationship is shown in
VITESSE
SEMICONDUCTOR CORPORATION
(
o
C/W)
High Conductivity
4-Layer Board
Package
TY: 304 BGA
Internet: www.vitesse.com
13.0
10.0
Extended Commerical Temperature: 0°C ambient to +85°C case
11.0
9.0
8.0
o
C, at which point it will be at thermal
High Performance 16x16
Serial Crosspoint Switch
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