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XQ4010E-4PG191M Datasheet, PDF (30/36 Pages) Xilinx, Inc – QPRO XQ4000E/EX
QPRO XQ4000E/EX QML High-Reliability FPGAs
R
XQ4028EX IOB Input Switching Characteristic Guidelines (Continued)
-4
Symbol
Description
Min
Units
Setup Times
TPICK Pad to Clock (IK), no delay
TPICKP Pad to Clock (IK), partial delay
TPICKD Pad to Clock (IK), full delay
TPICKF Pad to Clock (IK), via transparent Fast Capture Latch, no delay
TPICKFP Pad to Clock (IK), via transparent Fast Capture Latch, partial delay
TPOCK Pad to Fast Capture Latch Enable (OK), no delay
TPOCKP Pad to Fast Capture Latch Enable (OK), partial delay
Setup Times (TTL or CMOS Inputs)
2.5
ns
10.8
ns
15.7
ns
3.9
ns
12.3
ns
0.8
ns
9.1
ns
TECIK Clock Enable (EC) to Clock (IK)
Hold Times
0.3
ns
TIKPI
Pad to Clock (IK), no delay
0
ns
TIKPIP Pad to Clock (IK), partial delay
0
ns
TIKPID Pad to Clock (IK), full delay
0
ns
TIKPIF Pad to Clock (IK) via transparent Fast Capture Latch, no delay
0
ns
TIKFPIP Pad to Clock (IK) via transparent Fast Capture Latch, partial delay
0
ns
TIKFPID Pad to Clock (IK) via transparent Fast Capture Latch, full delay
0
ns
TIKEC Clock Enable (EC) to Clock (IK), no delay
0
ns
TIKECP Clock Enable (EC) to Clock (IK), partial delay
0
ns
TIKECD Clock Enable (EC) to Clock (IK), full delay
0
ns
TOKPI Pad to Fast Capture Latch Enable (OK), no delay
0
ns
TOKPIP Pad to Fast Capture Latch Enable (OK), partial delay
0
ns
Notes:
1. For CMOS input levels, see the "XQ4028EX Input Threshold Adjustments" on page 28.
2. For setup and hold times with respect to the clock input pin, see the Global Low Skew Clock and Global Early Clock Setup and Hold
tables on page 28.
30
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DS021 (v2.2) June 25, 2000
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