描述：Architecture Overview The pASIC 3 family of devices have a range of 4,000 to 60,000 usable PLD gates. pASIC 3 FPGAs are fabricated on a 0.35 μm four-layer metal process using QuickLogic’s“ patented ViaLink“ technology to provide a unique combination of high performance, high density, low cost, and extreme ease-of-use. Device Highlights High Performance & High Density ? Up to 60,000 usable PLD gates with up to 316 I/Os ? 300 MHz 16-bit counters, 400 MHz datapaths ? 0.35 μm four-layer metal non-volatile CMOS process for smallest die sizes Easy to Use/Fast Development Cycles ? 100% routable with 100% utilization and complete pin-out stability ? Variable-grain logic cells provide high performance and 100% utilization ? Comprehensive design tools include high quality Verilog/VHDL synthesis Advanced I/O Capabilities ? Interfaces with 3.3 V and 5.0 V devices ? PCI compliant with 3.3 V and 5.0 V buses for -1/-2/-3/-4 speed grades ? Full JTAG boundary scan ? I/O cells with individually controlled registered input path and output enables Up to 316 I/O Pins ? Up to 308 bidirectional input/output pins, PCI-compliant for 5.0 V and 3.3 V buses for 1/-2/-3/-4 speed grades ? Up to eight high-drive input/distributed network pins Up to Eight Low-Skew Distributed Networks ? Two array clock/control networks are available to the logic cell flip-flop; clock, set, and reset inputs — each can be driven by an input-only pin ? Up to six global clock/control networks are available to the logic cell; F1, clock, set, and reset inputs and the data input, I/O register clock, reset, and enable inputs as well as the output enable control — each can be driven by an input only pin, I/O pin, any logic cell output, or I/O cell feedback High Performance ? Input + logic cell + output total delays under 6 ns ? Data path speeds over 400 MHz ? Counter speeds over 300 MHz