Post-Fukushima attitudes toward nuclear energy growth (in existing nuclear countries)

1 January 2000

Circuit technology basis	SRAM	Antifuse	Flash
Status of technology	State-of-the-art	One or more generation behind	One or more generation behind
Physical change made in the chip during programming?	No	Yes	No
Reprogrammable?	Yes	No	Yes
Reprogramming speed	Fast	-	3 times slower than SRAM
External boot device is required when starting operation	Yes	No	No
IP security (external programs)	Acceptable by using bit-stream encryption	Very good	Very good
Power consumption	Medium	Low	Medium
Radiation hardness/tolerance	Some		Under testing
Maximum working frequency	>3 Gbps I/Os	350-500 MHz	350 MHz
Maximum capacity (ASIC gates equivalent)	1-4 Mgates	0.25 - 0.5 Mgates	0.9 Mgates
Principal manufacturers	Altera, Atmel, Lattice Semiconductor, Xilinx	Actel (now Microsemi)	Actel (now Microsemi)

Post to: