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Product Specification | |
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Introduction
The
The
Spartan-3A and Spartan-3A DSP FPGA Differences
The
Because of their exceptional DSP price/performance ratio,
The
Features
•Very low cost,
•250 MHz XtremeDSP DSP48A Slices
♦ Dedicated
♦Available pipeline stages for enhanced performance of at least 250 MHz in the standard
♦
♦Integration added for complex multiply or
♦Integrated
♦Optional cascaded Multiply or MAC
•Hierarchical SelectRAM™ memory architecture
♦Up to 2268 Kbits of fast block RAM with byte write enables for processor applications
♦Up to 373 Kbits of efficient distributed RAM
♦Registered outputs on the block RAM with operation of at least 280 MHz in the standard
•
•Suspend, Hibernate modes reduce system power
•
•
♦Up to 519 I/O pins or 227 differential signal pairs
♦LVCMOS, LVTTL, HSTL, and SSTL
♦3.3V, 2.5V, 1.8V, 1.5V, and 1.2V signaling
♦Selectable output drive, up to 24 mA per pin
♦QUIETIO standard reduces I/O switching noise
♦Full 3.3V ± 10% compatibility and hot swap compliance
♦622+ Mb/s data transfer rate per differential I/O
♦LVDS, RSDS,
♦Enhanced Double Data Rate (DDR) support
♦DDR/DDR2 SDRAM support up to 333 Mb/s
♦Fully compliant
•Abundant, flexible logic resources
♦Densities up to 53712 logic cells, including optional shift register
♦Efficient wide multiplexers, wide logic
♦Fast
♦IEEE 1149.1/1532 JTAG programming/debug port
•Eight Digital Clock Managers (DCMs)
♦Clock skew elimination (delay locked loop)
♦Frequency synthesis, multiplication, division
♦
♦Wide frequency range (5 MHz to over 320 MHz)
•Eight
•Configuration interface to
♦
♦x8 or x8/x16 parallel NOR Flash PROM
♦
♦Unique Device DNA identifier for design authentication
♦Load multiple bitstreams under FPGA control
•MicroBlaze™ and PicoBlaze™ embedded processor cores
•BGA and CSP packaging with
♦Common footprints support easy density migration
Table 1:
Device
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| CLB Array (One CLB = Four Slices) | Distributed | |||
System | Equivalent |
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| Total | Total | RAM |
Gates | Logic Cells | Rows | Columns | CLBs | Slices | Bits(1) |
Block
RAM
Bits(1)
|
|
| Maximum |
|
| Maximum | Differential |
DSP48As | DCMs | User I/O | I/O Pairs |
|
|
|
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XC3SD1800A | 1800K | 37,440 | 88 | 48 | 4160 | 16640 | 260K | 1512K | 84 | 8 | 519 | 227 |
XC3SD3400A | 3400K | 53,712 | 104 | 58 | 5968 | 23872 | 373K | 2268K | 126 | 8 | 469 | 213 |
Notes: 1. By convention, one Kb is equivalent to 1,024 bits.
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Product Specification