TABLE 1: DESIGN CHARACTERISTICS AND ENVIRONMENT FOR DIFFERENT DEVICES ON A BOARD
Item		FPGA A	FPGA B	FPGA C	Block D	Other
Target device		XC4VLX60-10FF1148C	XC4VLX100-10FF1148C	XC4VLX160-10FF1148C	ASIC XYZ	DDR 2 Gbytes
Calculated power from tools or manufacturer		3.5W	5.5W	7.0W	4W	6W
Total power		26W
Power budget		20 W
Power- supply accuracy	1.2 V	± 2%	± 2%	± 2%
	1.5 V	N/A	N/A	N/A
	2.5 V	± 5%	± 5%	± 5%
	3.3 V	± 5%	± 5%	± 5%
Modeled ambient air temperature	With fan	60° C	55° C	55° C
Modeled ambient air temperature	Without fan	72° C	75° C	79° C
Airflow		350 LFM	350 LFM	350 LFM
Heatsink		No	Yes	Yes