XC3S50 Datasheet, PDF (70/192 Pages) Xilinx, Inc – Revolutionary 90-nanometer process technology

R
Spartan-3 FPGA Family: DC and Switching Characteristics
Table 22: Maximum Number of Simultaneously
Switching Outputs per V_CCO-GND Pair
Package
Signal Standard
VQ100,
TQ144,
PQ208
FT256,
FG320,
FG456,
FG676,
FG900,
FG1156
Single-Ended Standards
GTL
4
GTLP_DCI
3
GTLP
4
GTLP_DCI
3
HSTL_I
17
HSTL_I_DCI
17
HSTL_III
7
HSTL_III_DCI
7
HSTL_I_18
17
HSTL_I_DCI_18
HSTL_II_18
9
HSTL_II_DCI_18
HSTL_III_18
8
HSTL_III_DCI_18
LVCMOS12 Slow 2
55
4
32
6
18
Fast 2
31
4
13
6
9
LVCMOS15 Slow 2
55
4
31
6
18
8
15
12
10
Fast 2
25
4
16
6
13
8
11
12
7
LVDCI_15
10
LVDCI_DV2_15
5
Table 22: Maximum Number of Simultaneously
Switching Outputs per V_CCO-GND Pair (Continued)
Package
Signal Standard
VQ100,
TQ144,
PQ208
FT256,
FG320,
FG456,
FG676,
FG900,
FG1156
LVCMOS18 Slow 2
64
4
34
6
22
8
18
12
13
16
10
Fast 2
36
4
21
6
13
8
10
12
9
16
6
LVDCI_18
11
LVDCI_DV2_18
6
LVCMOS25 Slow 2
76
4
46
6
33
8
24
12
18
16
11
24
7
Fast 2
42
4
20
6
15
8
13
12
11
16
8
24
5
LVDCI_25
13
LVDCI_DV2_25
7
DS099-3 (v1.3) March 4, 2004
www.xilinx.com
23
Advance Product Specification
1-800-255-7778
40