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OR2C04A Datasheet PDF - Lattice Semiconductor

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The ORCA Series 2 series of SRAM-based FPGAs are an enhanced version of the ATT2C/2T architecture. The latest ORCA series includes patented architectural enhancements that make functions faster and easier to design while conserving the use of PLCs and routing resources.

■ High-performance, cost-effective, low-power 0.35 µm CMOS technology (OR2CxxA), 0.3 µm CMOS technology (OR2TxxA), and 0.25 µm CMOS technology (OR2TxxB), (four-input look-up table (LUT) delay less than 1.0 ns with -8 speed grade)
■ High density (up to 43,200 usable, logic-only gates; or 99,400 gates including RAM)
■ Up to 480 user I/Os (OR2TxxA and OR2TxxB I/Os are 5 V tolerant to allow interconnection to both 3.3 V and 5 V devices, selectable on a per-pin basis)
■ Four 16-bit look-up tables and four latches/flip-flops per PFU, nibble-oriented for implementing 4-, 8-, 16-, and/or 32-bit (or wider) bus structures
■ Eight 3-state buffers per PFU for on-chip bus structures
■ Fast, on-chip user SRAM has features to simplify RAM design and increase RAM speed:
    — Asynchronous single port: 64 bits/PFU
    — Synchronous single port: 64 bits/PFU
    — Synchronous dual port: 32 bits/PFU
■ Improved ability to combine PFUs to create larger RAM structures using write-port enable and 3-state buffers
■ Fast, dense multipliers can be created with the multiplier mode (4 x 1 multiplier/PFU):
    — 8 x 8 multiplier requires only 16 PFUs
    — 30% increase in speed
■ Flip-flop/latch options to allow programmable priority of synchronous set/reset vs. clock enable
■ Enhanced cascadable nibble-wide data path capabilities for adders, subtractors, counters, multipliers, and comparators including internal fast-carry operation
■ Innovative, abundant, and hierarchical nibbleoriented routing resources that allow automatic use of internal gates for all device densities without sacrificing performance
■ Upward bit stream compatible with the ORCA ATT2Cxx/ ATT2Txx series of devices
■ Pinout-compatible with new ORCA Series 3 FPGAs
■ TTL or CMOS input levels programmable per pin for the OR2CxxA (5 V) devices
■ Individually programmable drive capability: 12 mA sink/6 mA source or 6 mA sink/3 mA source
■ Built-in boundary scan (IEEE*1149.1 JTAG) and 3-state all I/O pins, (TS_ALL) testability functions
■ Multiple configuration options, including simple, low pincount serial ROMs, and peripheral or JTAG modes for insystem programming (ISP)
■ Full PCI bus compliance for all devices
■ Supported by industry-standard CAE tools for design entry, synthesis, and simulation with ORCA Foundry Development System support (for back-end implementation)
■ New, added features (OR2TxxB) have:
    — More I/O per package than the OR2TxxA family
    — No dedicated 5 V supply (VDD5)
    — Faster configuration speed (40 MHz)
    — Pin selectable I/O clamping diodes provide 5V or 3.3V PCI compliance and 5V tolerance
    — Full PCI bus compliance in both 5V and 3.3V PCI systems
* IEEE is a registered trademark of The Institute of Electrical and Electronics Engineers, Inc.


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Field-Programmable Gate Arrays
Quad 2-Input NOR Buffered B Series Gate • Quad 2-Input NAND Buffered B Series Gate
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CD4071BC Quad 2-Input OR Buffered B Series Gate • CD4081BC Quad 2-Input AND Buffered B Series Gate
Fairchild Semiconductor

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