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1-1
Introduction_01.2
November 2004 Preliminary Data Sheet
© 2004 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. All other brand
or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.
Features
■
Extensive Density and Package Options
• 1.5K to 41K LUT4s
• 65 to 576 I/Os
• Density migration supported
■
sysDSP™ Block (LatticeECP™ Versions)
• High performance multiply and accumulate
•4 to 10 blocks
−
4 to 10 36x36 multipliers or
– 16 to 40 18x18 multipliers or
−
32 to 80 9x9 multipliers
■
Embedded and Distributed Memory
• 18 Kbits to 645 Kbits sysMEM™ Embedded
Block RAM (EBR)
• Up to 163 Kbits distributed RAM
• Flexible memory resources:
−
Distributed and block memory
■
Flexible I/O Buffer
• Programmable sysIO™ buffer supports wide
range of interfaces:
−
LVCMOS 3.3/2.5/1.8/1.5/1.2
−
LVTTL
−
SSTL 3/2 Class I, II, SSTL18 Class I
−
HSTL 18 Class I, II, III, HSTL15 Class I, III
−
PCI
−
LVDS, Bus-LVDS, LVPECL, RSDS
■
Dedicated DDR Memory Support
• Implements interface up to DDR400 (200MHz)
■
sysCLOCK™ PLLs
• Up to 4 analog PLLs per device
• Clock multiply, divide and phase shifting
■
System Level Support
• IEEE Standard 1149.1 Boundary Scan, plus
ispTRACY™ internal logic analyzer capability
• SPI boot flash interface
• 1.2V power supply
■
Low Cost FPGA
•Features optimized for mainstream applications
•Low cost TQFP and PQFP packaging
Table 1-1. LatticeECP/EC Family Selection Guide
Device LFEC1 LFEC3
LFEC6/
LFECP6
LFEC10/
LFECP10
LFEC15/
LFECP15
LFEC20/
LFECP20
LFEC33/
LFECP33
LFEC40/
LFECP40
PFU/PFF Rows 12 16 24 32 40 44 64 64
PFU/PFF Columns 16 24 32 40 48 56 64 80
PFUs/PFFs 192 384 768 1280 1920 2464 4096 5120
LUTs (K) 1.5 3.1 6.1 10.2 15.4 19.7 32.8 41.0
Distributed RAM (Kbits) 6 12 25 41 61 79 131 164
EBR SRAM (Kbits) 18 55 92 277 350 424 535 645
EBR SRAM Blocks 2 6 10 30 38 46 58 70
sysDSP Blocks
1
—— 4567810
18x18 Multipliers
1
——1620 24 28 32 40
V
CC
Voltage (V) 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2
Number of PLLs 22244444
Packages and I/O Combinations:
100-pin TQFP (14 x 14 mm) 67 67
144-pin TQFP (20 x 20 mm) 97 97 97
208-pin PQFP (28 x 28 mm) 112 145 147 147
256-ball fpBGA (17 x 17 mm) 160 195 195 195
484-ball fpBGA (23 x 23 mm) 224 288 352 360 360
672-ball fpBGA (27 x 27 mm) 400 496 496
900-ball fpBGA (31 x 31 mm) 576
1. LatticeECP devices only.
LatticeECP/EC Family Data Sheet
Introduction
