XC4VLX25-10FF668C - Supported Differential DCI IO Standards
The following table lists the differential DCI (Digitally Controlled Impedance) I/O standards supported by the XC4VLX25-10FF668C device.
Table 1. Supported differential DCI I/O standards.| I/O Standard | Description |
|---|---|
DIFF_HSTL_II_DCI | Differential High-Speed Transceiver Logic (1.5V) Class II with Digitally Controlled Impedance technology |
DIFF_HSTL_II_18_DCI | Differential High-Speed Transceiver Logic (1.8V) Class II with Digitally Controlled Impedance technology |
DIFF_SSTL18_II_DCI | Differential Stub Series Terminated Logic (1.8V) Class II with Digitally Controlled Impedance technology |
DIFF_SSTL2_II_DCI | Differential Stub Series Terminated Logic (2.5V) Class II with Digitally Controlled Impedance technology |
LVDS_25_DCI | Low-Voltage Differential Signaling (2.5V) with Digitally Controlled Impedance Technology |
LVDSEXT_25_DCI | Extended Low-Voltage Differential Signaling (2.5V) with Digitally Controlled Impedance Technology |
For more information, refer to the Virtex-4 FPGA User Guide (ug070.pdf), available at www.xilinx.com.