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Spartan-II 2.5V FPGA Family:
Introduction and Ordering
Information
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DS001-1 (v2.3) November 1, 2001
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Preliminary Product Specification
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System level features
- SelectRAM+™ hierarchical memory:
·
16 bits/LUT distributed RAM
·
Configurable 4K bit block RAM
·
Fast interfaces to external RAM
- Fully PCI compliant
- Low-power segmented routing architecture
- Full readback ability for verification/observability
- Dedicated carry logic for high-speed arithmetic
- Dedicated multiplier support
- Cascade chain for wide-input functions
- Abundant registers/latches with enable, set, reset
- Four dedicated DLLs for advanced clock control
- Four primary low-skew global clock distribution nets
- IEEE 1149.1 compatible boundary scan logic
Versatile I/O and packaging
- Low cost packages available in all densities
- Family footprint compatibility in common packages
- 16 high-performance interface standards
- Hot swap Compact PCI friendly
- Zero hold time simplifies system timing
Fully supported by powerful Xilinx development system
- Foundation ISE Series: Fully integrated software
- Alliance Series: For use with third-party tools
- Fully automatic mapping, placement, and routing
Introduction
The Spartan™-II 2.5V Field-Programmable Gate Array fam-
ily gives users high performance, abundant logic resources,
and a rich feature set, all at an exceptionally low price. The
six-member family offers densities ranging from 15,000 to
200,000 system gates, as shown in
System perfor-
mance is supported up to 200 MHz.
Spartan-II devices deliver more gates, I/Os, and features
per dollar than other FPGAs by combining advanced pro-
cess technology with a streamlined Virtex-based architec-
ture. Features include block RAM (to 56K bits), distributed
RAM (to 75,264 bits), 16 selectable I/O standards, and four
DLLs. Fast, predictable interconnect means that successive
design iterations continue to meet timing requirements.
The Spartan-II family is a superior alternative to
mask-programmed ASICs. The FPGA avoids the initial cost,
lengthy development cycles, and inherent risk of
conventional ASICs. Also, FPGA programmability permits
design upgrades in the field with no hardware replacement
necessary (impossible with ASICs).
•
Features
•
Second generation ASIC replacement technology
- Densities as high as 5,292 logic cells with up to
200,000 system gates
- Streamlined features based on Virtex architecture
- Unlimited reprogrammability
- Very low cost
•
Table 1:
Spartan-II FPGA Family Members
Logic
Cells
432
972
1,728
2,700
3,888
5,292
System Gates
(Logic and RAM)
15,000
30,000
50,000
100,000
150,000
200,000
CLB
Array
(R x C)
8 x 12
12 x 18
16 x 24
20 x 30
24 x 36
28 x 42
Total
CLBs
96
216
384
600
864
1,176
Maximum
Available
User I/O
(1)
86
132
176
196
260
284
Total
Distributed RAM
Bits
6,144
13,824
24,576
38,400
55,296
75,264
Total
Block RAM
Bits
16K
24K
32K
40K
48K
56K
Device
XC2S15
XC2S30
XC2S50
XC2S100
XC2S150
XC2S200
Notes:
1. All user I/O counts do not include the four global clock/user input pins. See details in
© 2001 Xilinx, Inc. All rights reserved. All Xilinx trademarks, registered trademarks, patents, and disclaimers are as listed at
All other trademarks and registered trademarks are the property of their respective owners. All specifications are subject to change without notice.
DS001-1 (v2.3) November 1, 2001
Preliminary Product Specification
1-800-255-7778
1
XILINX [ XILINX, INC ]
