Get Even Higher Bandwidth with Stratix IV and Arria II GX FPGAs

Stratix^® IV and Arria^® II GX FPGAs continue to set the bar for high-performance devices. Altera is pleased to upgrade several I/O specifications for these 40-nm device families. Along with Altera's high-performance adaptive logic module (ALM) architecture, these new specifications provide even faster transceiver and I/O performance so you can process and manage more data than before. The following specifications include:

Faster LVDS performance
Faster external memory interface performance
Faster transceiver performance

If you are designing for communications, storage, broadcast, or other market applications, the enhancements shown in Table 1 are beneficial to your next design. Specifications highlighted in light blue are product enhancements.

These upgraded specifications apply to all future and shipped devices without requalification.

*Table 1. 40-nm Product Enhancement Summary*
	Stratix IV GX (Speed)			Arria II GX (Speed)
Features	-2	-3	-4	-4	-5	-6
LVDS (Gbps)	1.6	1.25	1.25	1.25	1.05	0.84
Emulated LVDS (Gbps)	1.25	1.152	.80	0.945	0.84	0.74
DDR2 External Memory Interface (MHz)	400	333	333	333	333 (1)	267
DDR3 External Memory Interface (MHz)	533	400	400 (2)	400 (2)	333 (3)	N/A
Transceiver Speed (Gbps)	8.5	6.5	6.375	3.75	3.75 (4)	3.125

Notes:

Supports 333 MHz with 400-MHz DDR2 memory devices. Industrial grade is 300 MHz.
Supports 400 MHz with 533-MHz DDR3 memory devices. Stratix IV FPGA industrial grade is 333 MHz.
Supports 333 MHz with 400-MHz DDR3 memory devices.
Quartus^® II support for this feature will be available in the next version after 9.1 SP1.

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