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OR2T40A

Agere Systems
Part Number OR2T40A
Manufacturer Agere Systems
Description Field-Programmable Gate Arrays
Published May 13, 2005
Detailed Description Data Sheet June 1999 ORCA® Series 2 Field-Programmable Gate Arrays Features s s s s s s s s s s s High-perfor...
Datasheet PDF File OR2T40A PDF File

OR2T40A
OR2T40A

Overview
Data Sheet June 1999 ORCA® Series 2 Field-Programmable Gate Arrays Features s s s s s s s s s s s 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 s s s s s s s s s 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 boun...


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