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One of your first choices is going to be deciding on the underlying FPGA technology. Your main options are as follows:
● SRAM-based : Although very flexible, this requires an external configuration device and can take up to a few seconds to be configured when the system is first powered up. Early versions of these devices could have substantial power supply requirements due to high transient startup currents, but this problem has been addressed in the current generation of devices. One key advantage of this option is that it is based on standard CMOS technology and doesn’t require any esoteric process steps. This means that SRAM-based FPGAs are at the forefront of the components available with the most current technology node.
● Antifuse-based : Considered by many to offer the most security with regard to design IP, this also provides advantages like low power consumption, instant-on availability, and no requirement for any external configuration devices (which saves circuit board cost, space, and weight). Antifuse-based devices are also more radiation hardened than any of the other technologies, which makes them of particular interest for aerospace-type applications. On the downside, this technology is a pain to prototype with because it’s OTP. Antifuse devices are also typically one or more generations behind the most current technology node because they require additional process steps compared to standard CMOS components.
● FLASH-based : Although considered to be more secure than SRAM-based devices, these are slightly less secure than antifuse components with regard to design IP. FLASH-based FPGAs don’t require any external configuration devices, but they can be reconfigured while resident in the system if required. In the same way as antifuse components, FLASH-based devices provide advantages like instant-on capability, but are also typically one or more generations behind the most current technology node because they require additional process steps compared to standard CMOS components. Also, these devices typically offer a much smaller logic (system) gatecount than their SRAM-based counterparts.
● FLASH-based : Although considered to be more secure than SRAM-based devices, these are slightly less secure than antifuse components with regard to design IP. FLASH-based FPGAs don’t require any external configuration devices, but they can be reconfigured while resident in the system if required. In the same way as antifuse components, FLASH-based devices provide advantages like instant-on capability, but are also typically one or more generations behind the most current technology node because they require additional process steps compared to standard CMOS components. Also, these devices typically offer a much smaller logic (system) gatecount than their SRAM-based counterparts.
Manufacturer:Xilinx
Product Categories: FPGAs
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Manufacturer:Xilinx
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Manufacturer:Xilinx
Product Categories: CPLDs
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Product Categories: Voltage regulator tube
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Manufacturer:Xilinx
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