LatticeECP/EC Family Data Sheet
Introduction
May 2005
Data Sheet
Features
■
Extensive Density and Package Options
• 1.5K to 32.8K LUT4s
• 65 to 496 I/Os
• Density migration supported
■
sysDSP™ Block (LatticeECP™ Versions)
• High performance multiply and accumulate
• 4 to 8 blocks
−
4 to 8 36x36 multipliers or
– 16 to 32 18x18 multipliers or
−
32 to 64 9x9 multipliers
■
Dedicated DDR Memory Support
• Implements interface up to DDR400 (200MHz)
−
−
−
−
−
−
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
■
sysCLOCK™ PLLs
• Up to four analog PLLs per device
• Clock multiply, divide and phase shifting
■
Embedded and Distributed Memory
• 18 Kbits to 498 Kbits sysMEM™ Embedded
Block RAM (EBR)
• Up to 131 Kbits distributed RAM
• Flexible memory resources:
−
Distributed and block memory
■
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
■
Flexible I/O Buffer
• Programmable sysI/O™ buffer supports wide
range of interfaces:
Table 1-1. LatticeECP/EC Family Selection Guide
Device
PFU/PFF Rows
PFU/PFF Columns
PFUs/PFFs
LUTs (K)
Distributed RAM (Kbits)
EBR SRAM (Kbits)
EBR SRAM Blocks
sysDSP Blocks
1
18x18 Multipliers
1
V
CC
Voltage (V)
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.
LFEC1
12
16
192
1.5
6
18
2
—
—
1.2
2
67
97
112
LFEC3
16
24
384
3.1
12
55
6
—
—
1.2
2
67
97
145
160
LFEC6/
LFECP6
24
32
768
6.1
25
92
10
4
16
1.2
2
LFEC10/
LFECP10
32
40
1280
10.2
41
276
30
5
20
1.2
4
LFEC15/
LFECP15
40
48
1920
15.4
61
350
38
6
24
1.2
4
LFEC20/
LFECP20
44
56
2464
19.7
79
424
46
7
28
1.2
4
LFEC33/
LFECP33
64
64
4096
32.8
131
498
54
8
32
1.2
4
97
147
195
224
147
195
288
195
352
360
400
360
496
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