Altera FPGA Cyclone IV EP4C

Altera’s new Cyclone® IV FPGA device family extends the Cyclone FPGA series leadership in providing the market’s lowest-cost, lowest-power FPGAs, now with a transceiver variant. Cyclone IV devices are targeted to high-volume, cost-sensitive applications, enabling system designers to meet increasing bandwidth requirements while lowering costs.

Built on an optimized low-power process, the Cyclone IV device family offers the following two variants:

  • Cyclone IV E—lowest power, high functionality with the lowest cost
  • Cyclone IV GX—lowest power and lowest cost FPGAs with 3.125 Gbps transceivers

Cyclone IV E devices are offered in core voltage of 1.0 V and 1.2 V.

Providing power and cost savings without sacrificing performance, along with a low-cost integrated transceiver option, Cyclone IV devices are ideal for low-cost, small-form-factor applications in the wireless, wireline, broadcast, industrial, consumer, and communications industries.


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 and protocols 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

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