4
System EBR RAM EBR RAM Distributed
Device Gates LUT-4 Total Registers Blocks Bits RAM Bits PLLs User I/O
OR4E02
397k 5.0k 6.8k 8 74k 80k 8 405
OR4E04
643k 10.4k 13.4k 12 111k 166k 8 466
OR4E06
899k 16.2k 20.4k 16 148k 259k 8 466
ORCA Series 4 Family of FPGAs
FPGA Products
Lattice Field Programmable Gate Arrays
The ispXPGA (in system programmable eXpanded field
Programmable Gate Array) family of devices allows the creation of
high-performance logic designs that are both non-volatile and
infinitely reconfigurable. Other FPGA solutions force a compromise,
being either re-programmable, or reconfigurable, or non-volatile.
Lattice’s ispXPGA family offers all these capabilities with a
mainstream architecture containing the features required for today’s
system-level design.
ORCA Series 4 FPGAs by Lattice Semiconductor are built on the familiar Optimized Reconfigurable
Cell Array (ORCA) architecture. This FPGA device family offers many new features and architectural
enhancements not available in any earlier FPGA generations. Bringing together highly flexible SRAM-
based programmable logic, powerful system features, a rich hierarchy of routing and interconnect
resources, and meeting multiple interface standards, the ORCA family of FPGAs accommodates
the most complex and high-performance design challenges.
Bringing the Best Together
ORCA Series 4 Family
■High Performance FPGA
–Up to 900k system gates
–Up to 466 user I/Os
–Up to 148k embedded memory
–250 MHz performance
■Flexible Programmable Logic Cells
(PLCs)
■sysIO™ Capability for High
Performance Interfacing
■Block and Distributed Memory
■sysCLOCK™ PLLs for Clock
Management
–6 general purpose PLLs
–2 communication specific PLLs
■System-level Design Features
–Embedded Microprocessor Interface
(MPI)
–Embedded system bus (ARM AHB bus)
Clock
Pins
(all 4 sides)
Programmable I/O Cells (PICs)
• Separate Input, Output, and OE Registers
• DDR Support
• Programmable Input Options
• Programmable Output Skew
sysMEM™ Blocks
• Up to 148k Of Dedicated Memory
• Configurable as Dual-port, FIFO, Single-port,
ROM, CAM, or Multiplier
• 256x36, 512x18, and 1kx9 Modes
sysCLOCK PLLs
• Clock Multiplication and Division
• Phase Shifting
• 2.5 MHz to 420 MHz
• Supports DS-1/E-1 & STS3 /STM-1
Microprocessor Interface (MPI)
and Associated System Bus
• 32-/16-/8-bit External Interface
• 32-bit Internal Interface With
Automatic Width Conversion
• Embedded System Multi-Master Bus
• Configuration / Readback / Control /
Status Modes
sysIO Buffers
• High Speed Memory Support: SSTL, HSTL
• Bus Support: PCI, GTL+
• Differential Support: LVDS, LVPECL
• On-chip Differential Termination
• Standard Logic Support: LVTTL,
LVCMOS 3.3, 2.5 and 1.8
Programmable Logic Cells (PLCs)
• 8 LUT-4s Per PLC
• 9 Flip-flops Per PLC
- One Flip-flop Per LUT
- Additional Flip-flop For Pipelining
• Distributed Memory
• Up to 250 MHz Operation
ORCA Series 4 Block Diagram
Time
System Gates
is
XPG
R
A
R
A 3
R
A
R
FP