XC3S50A Xilinx Corp., XC3S50A Datasheet - Page 54

• Manufacturer Part Number: XC3S50A
• Description: Spartan-3a Fpga Family Data Sheet
• Manufacturer: Xilinx Corp.

DC and Switching Characteristics
Table 46: Master Mode CCLK Output Frequency by ConfigRate Option Setting
Table 47: Master Mode CCLK Output Minimum Low and High Time
Table 48: Slave Mode CCLK Input Low and High Time
54
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
Symbol
T
T
T
T
MCCL,
MCCH
CCLK1
CCLK3
CCLK6
CCLK7
CCLK8
CCLK10
CCLK12
CCLK13
CCLK17
CCLK22
CCLK25
CCLK27
CCLK33
CCLK44
CCLK50
CCLK100
SCCL,
SCCH
Symbol
Symbol
and High Time
Minimum Low
Master Mode
CCLK
CCLK Low and High time
Equivalent CCLK clock frequency
by ConfigRate setting
Description
Commercial 595
Description
Industrial
560
1
196
185
3
98.3 84.5 74.1 58.4 48.9 44.1 34.2 25.6 22.3 20.9 17.1 12.3 10.4
92.6 79.8 69.8 55.0 46.0 41.8 32.3 24.2 21.4 20.0 16.2 11.9 10.0
Description
6
(power-on value)
ConfigRate
7
Setting
100
10
12
13
17
22
25
27
33
44
50
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1
3
6
7
8
8
10
12
Temperature
ConfigRate Setting
Commercial
Commercial
Commercial
Commercial
Commercial
Commercial
Commercial
Commercial
Commercial
Commercial
Commercial
Commercial
Commercial
Commercial
Commercial
Commercial
Industrial
Industrial
Industrial
Industrial
Industrial
Industrial
Industrial
Industrial
Industrial
Industrial
Industrial
Industrial
Industrial
Industrial
Industrial
Industrial
Range
13
17
22
Minimum
0.400
10.00
10.80
13.20
17.60
20.00
40.00
1.20
2.40
2.80
3.20
4.00
4.80
5.20
6.80
8.80
25
27
Min
5
DS529-3 (v1.5) July 10, 2007
33
Maximum
Product Specification
0.847
0.797
10.31
10.69
11.37
13.74
14.61
18.44
19.61
20.90
22.23
22.39
23.81
27.48
29.23
37.60
40.00
44.80
47.66
88.68
94.34
44
2.42
2.57
4.83
5.13
5.61
5.96
6.41
6.81
8.12
8.63
9.70
Max
∞
50
100
5.3
5.0
Units
Units
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
ns
Units
ns
ns
R