LatticeECP/EC Family Data Sheet
Introduction
May 2005
Data Sheet
− 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
Features
■ Extensive Density and Package Options
• 1.5K to 32.8K LUT4s
• 65 to 496 I/Os
• Density migration supported
− LVDS, Bus-LVDS, LVPECL, RSDS
■ Dedicated DDR Memory Support
• Implements interface up to DDR400 (200MHz)
■ sysDSP™ Block (LatticeECP™ Versions)
• High performance multiply and accumulate
• 4 to 8 blocks
■ sysCLOCK™ PLLs
− 4 to 8 36x36 multipliers or
– 16 to 32 18x18 multipliers or
− 32 to 64 9x9 multipliers
• Up to four analog PLLs per device
• Clock multiply, divide and phase shifting
■ System Level Support
■ Embedded and Distributed Memory
• 18 Kbits to 498 Kbits sysMEM™ Embedded
Block RAM (EBR)
• IEEE Standard 1149.1 Boundary Scan, plus
ispTRACY™ internal logic analyzer capability
• SPI boot flash interface
• Up to 131 Kbits distributed RAM
• Flexible memory resources:
• 1.2V power supply
■ Low Cost FPGA
− Distributed and block memory
• Features optimized for mainstream applications
• Low cost TQFP and PQFP packaging
■ Flexible I/O Buffer
• Programmable sysI/O™ buffer supports wide
range of interfaces:
Table 1-1. LatticeECP/EC Family Selection Guide
LFEC6/
LFEC10/
LFECP10
LFEC15/
LFECP15
LFEC20/
LFECP20
LFEC33/
LFECP33
Device
PFU/PFF Rows
LFEC1
12
16
192
1.5
6
LFEC3
16
LFECP6
24
32
768
6.1
25
92
10
4
32
40
40
48
44
56
64
64
PFU/PFF Columns
PFUs/PFFs
24
384
3.1
12
1280
10.2
41
1920
15.4
61
2464
19.7
79
4096
32.8
131
498
54
LUTs (K)
Distributed RAM (Kbits)
EBR SRAM (Kbits)
EBR SRAM Blocks
sysDSP Blocks1
18x18 Multipliers1
18
2
55
276
30
350
38
424
46
6
—
—
5
6
7
8
—
—
16
1.2
2
20
24
28
32
V
Voltage (V)
1.2
2
1.2
2
1.2
4
1.2
4
1.2
4
1.2
4
CC
Number of PLLs
Packages and I/O Combinations:
100-pin TQFP (14 x 14 mm)
144-pin TQFP (20 x 20 mm)
208-pin PQFP (28 x 28 mm)
256-ball fpBGA (17 x 17 mm)
484-ball fpBGA (23 x 23 mm)
672-ball fpBGA (27 x 27 mm)
1. LatticeECP devices only.
67
97
67
97
97
112
145
160
147
195
224
147
195
288
195
352
360
400
360
496
© 2005 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.
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Introduction_01.3
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