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The Spartan®-3A DSP family of field-programmable gate arrays (FPGAs) addresses the design challenges found in most high-volume, cost-sensitive, high-performance DSP applications. This two-member family offers densities from 1.8 million to 3.4 million system gates, as shown in Table 1.The Spartan-3A DSP family builds on the success of the Spartan-3A FPGA family by increasing the amount of memory per logic and adding the XtremeDSP™ DSP48A chip. The new features improve system performance and reduce configuration costs. These Spartan-3A DSP FPGA enhancements, combined with proven 90nm process technology, provide more features and bandwidth than ever before, setting a new standard for the programmable logic and DSP processing industry.

The Spartan-3A DSP FPGAs extend and enhance the Spartan-3A FPGA family. the XC3SD1800A and XC3SD3400A devices are tailored for DSP applications with additional block RAM and the XtremeDSP DSP48A slice, which replaces the 18x18 multiplier in the Spartan-3A devices. The XtremeDSP DSP48A slice replaces the 18x18 multiplier in the Spartan-3A device and is based on the DSP48 block in the Virtex®-4 device. The block RAM speed is also increased by adding an output register, and the block RAM and DSP48A slices in the Spartan-3A DSP devices run at 250 MHz in the lowest-cost, standard -4 speed grade.

Product Attributes - XC3SD1800A-4FGG676C

Product Category: FPGAs - Field Programmable Gate Arrays

Family: XC3SD1800A

Logic Component Count: 37440 LE

Adaptive Logic Module - ALM: 16640 ALM

Embedded memory: 1.48 Mbit

Number of inputs/outputs: 519 I/Os

Supply voltage - min: 1.14 V

Supply voltage - max: 1.26 V

Minimum operating temperature: 0 C

Maximum operating temperature: + 85 C

Mounting style: SMD/SMT

Package / Case: FBGA-676

Distributed RAM: 260 kbit

Embedded Block RAM - EBR: 1512 kbit

Maximum operating frequency: 250 MHz

Humidity sensitivity: Yes

Number of gates: 1800000

Operating supply voltage: 1 V

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