DS003-1 Datasheet, PDF (25/76 Pages) Xilinx, Inc – Fast, high-density Field-Programmable Gate Arrays

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Virtex™ 2.5 V
Field Programmable Gate Arrays
DS003-3 (v3.2) September 10, 2002
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Virtex Electrical Characteristics
Definition of Terms
Electrical and switching characteristics are specified on a
per-speed-grade basis and can be designated as Advance,
Preliminary, or Production. Each designation is defined as
follows:
Advance: These speed files are based on simulations only
and are typically available soon after device design specifi-
cations are frozen. Although speed grades with this desig-
nation are considered relatively stable and conservative,
some under-reporting might still occur.
Preliminary: These speed files are based on complete ES
(engineering sample) silicon characterization. Devices and
speed grades with this designation are intended to give a
better indication of the expected performance of production
silicon. The probability of under-reporting delays is greatly
reduced as compared to Advance data.
Production: These speed files are released once enough
production silicon of a particular device family member has
been characterized to provide full correlation between
speed files and devices over numerous production lots.
There is no under-reporting of delays, and customers
receive formal notification of any subsequent changes. Typ-
ically, the slowest speed grades transition to Production
before faster speed grades.
All specifications are representative of worst-case supply
voltage and junction temperature conditions. The parame-
ters included are common to popular designs and typical
applications. Contact the factory for design considerations
requiring more detailed information.
Production Product Specification
Table 1 correlates the current status of each Virtex device
with a corresponding speed file designation.
Table 1: Virtex Device Speed Grade Designations
Speed Grade Designations
Device
Advance Preliminary Production
XCV50
–6, –5, –4
XCV100
–6, –5, –4
XCV150
–6, –5, –4
XCV200
–6, –5, –4
XCV300
–6, –5, –4
XCV400
–6, –5, –4
XCV600
–6, –5, –4
XCV800
–6, –5, –4
XCV1000
–6, –5, –4
All specifications are subject to change without notice.
© 1999-2002 Xilinx, Inc. All rights reserved. All Xilinx trademarks, registered trademarks, patents, and disclaimers are as listed at http://www.xilinx.com/legal.htm.
All other trademarks and registered trademarks are the property of their respective owners. All specifications are subject to change without notice.
DS003-3 (v3.2) September 10, 2002
Production Product Specification
www.xilinx.com
1-800-255-7778
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