Kintex-7 FPGAs Data Sheet: DC and AC Switching Characteristics
AC Switching Characteristics
All values represented in this data sheet are based on the speed specifications in the Vivado? Design Suite 2013.4 and
ISE? software 14.7 as outlined in Table 14 .
Table 14: Kintex-7 FPGA Speed Specification Version By Device
Version In:
ISE 14.7 Vivado 2013.4
Typical V CCINT
Device
1.10
1.09
1.05
1.05
1.11
1.09
1.06
1.05
1.0V
0.9V
1.0V
0.9V
XC7K70T, XC7K160T, XC7K325T, XC7K355T, XC7K410T, XC7K420T, XC7K480T
XC7K70T, XC7K160T, XC7K325T, XC7K355T, XC7K410T, XC7K420T, XC7K480T
XQ7K325T, XQ7K410T
XQ7K325T, XQ7K410T
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 Product Specification
These specifications are based on simulations only and are typically available soon after device design specifications are
frozen. Although speed grades with this designation are considered relatively stable and conservative, some under-
reporting might still occur.
Preliminary Product Specification
These specifications 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.
Product Specification
These specifications are released once enough production silicon of a particular device family member has been
characterized to provide full correlation between specifications and devices over numerous production lots. There is no
under-reporting of delays, and customers receive formal notification of any subsequent changes. Typically, the slowest
speed grades transition to production before faster speed grades.
Testing of AC Switching Characteristics
Internal timing parameters are derived from measuring internal test patterns. All AC switching characteristics are
representative of worst-case supply voltage and junction temperature conditions.
For more specific, more precise, and worst-case guaranteed data, use the values reported by the static timing analyzer and
back-annotate to the simulation net list. Unless otherwise noted, values apply to all Kintex-7 FPGAs.
DS182 (v2.8) March 4, 2014
Product Specification
11
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