XC2V8000-5BF957C Xilinx, Inc., XC2V8000-5BF957C Datasheet - Page 64

• Manufacturer Part Number: XC2V8000-5BF957C
• Description: Virtex-II 1.5V Field-Programmable Gate Array
• Manufacturer: Xilinx, Inc.

Virtex-II 1.5V Field-Programmable Gate Arrays
Clock Distribution Switching Characteristics
Table 20: Clock Distribution Switching Characteristics
CLB Switching Characteristics
Delays originating at F/G inputs vary slightly according to the input used (see
worst-case. Precise values are provided by the timing analyzer.
Table 21: CLB Switching Characteristics
Module 3 of 4
18
Global Clock Buffer I input to O output
Combinatorial Delays
4-input function: F/G inputs to X/Y outputs
5-input function: F/G inputs to F5 output
5-input function: F/G inputs to X output
FXINA or FXINB inputs to Y output via MUXFX
FXINA input to FX output via MUXFX
FXINB input to FX output via MUXFX
SOPIN input to SOPOUT output via ORCY
Incremental delay routing through transparent latch
to XQ/YQ outputs
Sequential Delays
FF Clock CLK to XQ/YQ outputs
Latch Clock CLK to XQ/YQ outputs
Setup and Hold Times Before/After Clock CLK
BX/BY inputs
DY inputs
DX inputs
CE input
SR/BY inputs (synchronous)
Clock CLK
Minimum Pulse Width, High
Minimum Pulse Width, Low
Set/Reset
Minimum Pulse Width, SR/BY inputs
Delay from SR/BY inputs to XQ/YQ outputs
(asynchronous)
Toggle Frequency (MHz) (for export control)
Description
Description
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T
T
T
T
T
DXCK
CECK
DYCK
DICK
T
Symbol
Symbol
RCK/
T
T
T
SOPSOP
T
T
T
T
T
F
IFNCTL
T
T
T
T
INAFX
INBFX
T
CKLO
T
IFXY
RPW
IF5X
CKO
TOG
GIO
ILO
RQ
IF5
CH
CL
/T
/T
/T
/T
T
CKR
CKDI
CKDY
CKDX
CKCE
0.30/– 0.07
0.30/– 0.07
0.30/– 0.07
0.19/– 0.06
0.21/– 0.02
0.17
0.35
0.36
0.26
0.26
0.35
0.41
0.45
0.54
–
800
0.6
0.8
0.7
0.7
0.7
1.1
–
6
6
Figure
Speed Grade
Speed Grade
0.33/– 0.08
0.33/– 0.08
0.33/– 0.08
0.21/– 0.07
0.23/– 0.03
15). The values listed below are
0.19
0.39
0.39
0.28
0.28
0.38
0.45
0.50
–
750
0.7
0.9
0.6
0.7
0.7
0.7
1.2
–
5
5
DS031-3 (v1.9) October 12, 2001
Advance Product Specification
0.37/– 0.09
0.37/– 0.09
0.37/– 0.09
0.24/– 0.08
0.26/– 0.03
0.21
–
0.44
0.45
0.32
0.32
0.44
0.51
650
0.8
1.0
0.6
0.7
0.8
0.8
0.8
1.4
4
–
4
ns, max
ns, max
ns, max
ns, max
ns, max
ns, max
ns, max
ns, max
ns, max
ns, max
ns, max
ns, max
ns, min
ns, min
ns, min
ns, min
ns, min
ns, min
ns, min
ns, min
Units
Units
MHz
R