XC3S400-4FT256C Xilinx Inc, XC3S400-4FT256C Datasheet - Page 84
XC3S400-4FT256C
Manufacturer Part Number
XC3S400-4FT256C
Description
SEMI CONDUCTOR
Manufacturer
Xilinx Inc
Datasheet
1.XC3S400-4FT256C.pdf
(208 pages)
Specifications of XC3S400-4FT256C
Case
BGA
Dc
04+
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Spartan-3 FPGA Family: DC and Switching Characteristics
Table 53: Synchronous 18 x 18 Multiplier Timing
Table 54: Asynchronous 18 x 18 Multiplier Timing
84
Notes:
1.
Notes:
1.
Clock-to-Output Times
T
Setup Times
T
Hold Times
T
Propagation Times
T
MULTCK
MULIDCK
MULCKID
MULT
Symbol
The numbers in this table are based on the operating conditions set forth in
The numbers in this table are based on the operating conditions set forth in
Symbol
When reading from the
Multiplier, the time from the
active transition at the C
clock input to data
appearing at the P outputs
Time from the setup of data
at the A and B inputs to the
active transition at the C
input of the Multiplier
Time from the active
transition at the Multiplier’s
C input to the point where
data is last held at the A
and B inputs
The time it takes for data to travel
from the A and B inputs to the P
outputs
Description
Description
P Outputs
P[15]
P[17]
P[19]
P[23]
P[31]
P[35]
P[0]
-
-
www.xilinx.com
P Outputs
P[15]
P[17]
P[19]
P[23]
P[31]
P[35]
P[0]
0.38
0.44
0.50
0.55
0.67
0.90
1.02
1.84
Min
0
-5
Table
Table
Max
1.00
1.15
1.30
1.45
1.76
2.37
2.67
-MIN
0.59
1.20
1.28
1.33
1.42
1.61
Min
Speed Grade
1.7
-
-
31.
31.
Speed Grade
0.38
0.44
0.50
0.55
0.67
0.90
1.02
2.11
Min
Max
1.55
3.15
3.36
3.49
3.73
4.23
4.47
0
-5
-4
DS099-3 (v2.2) May 25, 2007
Max
1.15
1.32
1.50
1.67
2.02
2.72
3.07
Max
1.78
3.62
3.86
4.01
4.29
4.86
5.14
Product Specification
-4
-
-
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
R
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