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Spartan-3A DSP FPGA Family: DC and Switching Characteristics
DS610 (v3.0) October 4, 2010
www.xilinx.com
Product Specification
52
Configuration Clock (CCLK) Characteristics
Table 46:
Master Mode CCLK Output Period by
ConfigRate
Option Setting
Symbol
Description
ConfigRate
Setting
(1)
Temperature
Range
Minimum
Maximum
Units
T
CCLK1
CCLK clock period by
ConfigRate
setting
1
(power-on value)
Commercial
1,254
2,500
ns
Industrial
1,180
ns
T
CCLK3
3
Commercial
413
833
ns
Industrial
390
ns
T
CCLK6
6
(default)
Commercial
207
417
ns
Industrial
195
ns
T
CCLK7
7
Commercial
178
357
ns
Industrial
168
ns
T
CCLK8
8
Commercial
156
313
ns
Industrial
147
ns
T
CCLK10
10
Commercial
123
250
ns
Industrial
116
ns
T
CCLK12
12
Commercial
103
208
ns
Industrial
97
ns
T
CCLK13
13
Commercial
93
192
ns
Industrial
88
ns
T
CCLK17
17
Commercial
72
147
ns
Industrial
68
ns
T
CCLK22
22
Commercial
54
114
ns
Industrial
51
ns
T
CCLK25
25
Commercial
47
100
ns
Industrial
45
ns
T
CCLK27
27
Commercial
44
93
ns
Industrial
42
ns
T
CCLK33
33
Commercial
36
76
ns
Industrial
34
ns
T
CCLK44
44
Commercial
26
57
ns
Industrial
25
ns
T
CCLK50
50
Commercial
22
50
ns
Industrial
21
ns
T
CCLK100
100
Commercial
11.2
25
ns
Industrial
10.6
ns
Notes:
1.
Set the
ConfigRate
option value when generating a configuration bitstream.