DS003-1 Datasheet, PDF (46/76 Pages) Xilinx, Inc – Fast, high-density Field-Programmable Gate Arrays

Virtex™ 2.5 V Field Programmable Gate Arrays
R
Period Tolerance: the allowed input clock period change in nanoseconds.
TCLKIN
TCLKIN +_ TIPTOL
Output Jitter: the difference between an ideal Phase Offset and Maximum Phase Difference
reference clock edge and the actual design.
Ideal Period
Actual Period
+/- Jitter
+ Maximum
Phase Difference
+ Phase Offset
Figure 1: Frequency Tolerance and Clock Jitter
ds003_20c_110399
Revision History
Date
Version
11/98
1.0
01/99
1.2
02/99
1.3
05/99
1.4
05/99
1.5
07/99
1.6
09/99
1.7
01/00
1.8
Revision
Initial Xilinx release.
Updated package drawings and specs.
Update of package drawings, updated specifications.
Addition of package drawings and specifications.
Replaced FG 676 & FG680 package drawings.
Changed Boundary Scan Information and changed Figure 11, Boundary Scan Bit
Sequence. Updated IOB Input & Output delays. Added Capacitance info for different I/O
Standards. Added 5 V tolerant information. Added DLL Parameters and waveforms and
new Pin-to-pin Input and Output Parameter tables for Global Clock Input to Output and
Setup and Hold. Changed Configuration Information including Figures 12, 14, 17 & 19.
Added device-dependent listings for quiescent currents ICCINTQ and ICCOQ. Updated
IOB Input and Output Delays based on default standard of LVTTL, 12 mA, Fast Slew Rate.
Added IOB Input Switching Characteristics Standard Adjustments.
Speed grade update to preliminary status, Power-on specification and Clock-to-Out
Minimums additions, "0" hold time listing explanation, quiescent current listing update, and
Figure 6 ADDRA input label correction. Added T_IJITCC parameter, changed T_OJIT to T_OPHASE.
Update to speed.txt file 1.96. Corrections for CRs 111036,111137, 112697, 115479,
117153, 117154, and 117612. Modified notes for Recommended Operating Conditions
(voltage and temperature). Changed Bank information for V_CCO in CS144 package on p.43.
Module 3 of 4
22
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DS003-3 (v3.2) September 10, 2002
Production Product Specification