DS152 Datasheet, PDF (35/56 Pages) Xilinx, Inc – DC and Switching Characteristics

Virtex-6 FPGA Data Sheet: DC and Switching Characteristics
Input/Output Delay Switching Characteristics
Table 52: Input/Output Delay Switching Characteristics
Symbol
Description
-3
IDELAYCTRL
T_{DLYCCO_RDY}
F_{IDELAYCTRL_REF}
Reset to Ready for IDELAYCTRL
3.00
Attribute REFCLK frequency = 200.0⁽¹⁾
200
Attribute REFCLK frequency = 300.0⁽¹⁾
300
IDELAYCTRL_REF_PRECISION REFCLK precision
±10
T_{IDELAYCTRL_RPW}
IODELAY
Minimum Reset pulse width
50.00
T_{IDELAYRESOLUTION}
IODELAY Chain Delay Resolution
Pattern dependent period jitter in delay
0
chain for clock pattern.⁽²⁾
T_{IDELAYPAT_JIT}
Pattern dependent period jitter in delay
±5
chain for random data pattern
(PRBS 23).⁽³⁾
Pattern dependent period jitter in delay
±9
chain for random data pattern
(PRBS 23).⁽⁴⁾
T_{IODELAY_CLK_MAX}
Maximum frequency of CLK input to
IODELAY
500.00
T_{IODCCK_CE} / T_{IODCKC_CE}
CE pin Setup/Hold with respect to CK
0.45/
–0.09
T_{IODCK_INC}/ T_{IODCKC_INC}
INC pin Setup/Hold with respect to CK
0.23/
–0.02
T_{IODCCK_RST}/ T_{IODCKC_RST}
RST pin Setup/Hold with respect to CK
0.57/
–0.08
T_{IODDO_T}
TSCONTROL delay to MUXE/MUXF
switching and through IODELAY
Note 5
T_{IODDO_IDATAIN}
T_{IODDO_ODATAIN}
Propagation delay through IODELAY
Propagation delay through IODELAY
Note 5
Note 5
Notes:
1. Average Tap Delay at 200 MHz = 78 ps, at 300 MHz = 52 ps.
2. When HIGH_PERFORMANCE mode is set to TRUE or FALSE.
3. When HIGH_PERFORMANCE mode is set to TRUE
4. When HIGH_PERFORMANCE mode is set to FALSE.
5. Delay depends on IODELAY tap setting. See TRACE report for actual values.
Speed Grade
-2
-1
3.00
200
300
±10
50.00
3.00
200
–
±10
50.00
1/(32 x 2 x F_REF)
0
0
±5
±5
±9
±9
420.00
0.53/
–0.09
0.27/
–0.01
0.62/
–0.08
Note 5
Note 5
Note 5
300.00
0.65/
–0.09
0.31/
0.00
0.69/
–0.08
Note 5
Note 5
Note 5
Units
-1L
3.25
200
–
±10
52.50
µs
MHz
MHz
MHz
ns
ps
0
ps
per tap
±5
ps
per tap
±9
ps
per tap
300.00 MHz
0.84/
ns
–0.14
0.27/
ns
–0.04
0.74/
ns
–0.13
Note 5
ps
Note 5
ps
Note 5
ps
DS152 (v2.10) October18, 2010
www.xilinx.com
Advance Product Specification
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