Cyclone IV Device Family Features The Cyclone IV device family offers the following features: ■ Low-cost, low-power FPGA fabric: ■ 6K to 150K logic elements ■ Up to 6.3 Mb of embedded memory ■ Up to 360 18 × 18 multipliers for DSP processing intensive applications ■ Protocol bridging applications for under 1.5 W total power ■ Cyclone IV GX devices offer up to eight high-speed transceivers that provide: ■ Data rates up to 3.125 Gbps ■ 8B/10B encoder/decoder ■ 8-bit or 10-bit physical media attachment (PMA) to physical coding sublayer (PCS) interface ■ Byte serializer/deserializer (SERDES) ■ Word aligner ■ Rate matching FIFO ■ TX bit slipper for Common Public Radio Interface (CPRI) ■ Electrical idle ■ Dynamic channel reconfiguration allowing you to change data rates andprotocols on-the-fly ■ Static equalization and pre-emphasis for superior signal integrity ■ 150 mW per channel power consumption ■ Flexible clocking structure to support multiple protocols in a single transceiver block ■ Cyclone IV GX devices offer dedicated hard IP for PCI Express (PIPE) (PCIe) Gen 1: ■ ×1, ×2, and ×4 lane configurations ■ End-point and root-port configurations ■ Up to 256-byte payload ■ One virtual channel ■ 2 KB retry buffer ■ 4 KB receiver (Rx) buffer ■ Cyclone IV GX devices offer a wide range of protocol support: ■ PCIe (PIPE) Gen 1 ×1, ×2, and ×4 (2.5 Gbps) ■ Gigabit Ethernet (1.25 Gbps) ■ CPRI (up to 3.072 Gbps) ■ XAUI (3.125 Gbps) ■ Triple rate serial digital interface (SDI) (up to 2.97 Gbps) ■ Serial RapidIO (3.125 Gbps) ■ Basic mode (up to 3.125 Gbps) ■ V-by-One (up to 3.0 Gbps) ■ DisplayPort (2.7 Gbps) ■ Serial Advanced Technology Attachment (SATA) (up to 3.0 Gbps) ■ OBSAI (up to 3.072 Gbps) ■ Up to 532 user I/Os ■ LVDS interfaces up to 840 Mbps transmitter (Tx), 875 Mbps Rx ■ Support for DDR2 SDRAM interfaces up to 200 MHz ■ Support for QDRII SRAM and DDR SDRAM up to 167 MHz ■ Up to eight phase-locked loops (PLLs) per device ■ Offered in commercial and industrial temperature grades