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Ixiasoft
Single-Ended I/O Standards Specifications
Single-Ended SSTL, HSTL, and HSUL I/O Reference Voltage Specifications
Single-Ended SSTL, HSTL, and HSUL I/O Standards Signal Specifications
Differential SSTL I/O Standards Specifications
Differential HSTL and HSUL I/O Standards Specifications
Differential I/O Standards Specifications
High-Speed I/O Specifications
DPA Lock Time Specifications
LVDS Soft-CDR/DPA Sinusoidal Jitter Tolerance Specifications
Memory Standards Supported by the Hard Memory Controller
DLL Range Specifications
DQS Logic Block Specifications
Memory Output Clock Jitter Specifications
OCT Calibration Block Specifications
POR Specifications
JTAG Configuration Timing
FPP Configuration Timing
AS Configuration Timing
DCLK Frequency Specification in the AS Configuration Scheme
PS Configuration Timing
Initialization
Configuration Files
Minimum Configuration Time Estimation
Remote System Upgrades
User Watchdog Internal Circuitry Timing Specifications
Visible to Intel only — GUID: uef1488510931078
Ixiasoft
Fractional PLL Specifications
Symbol | Parameter | Condition | Min | Typ | Max | Unit |
---|---|---|---|---|---|---|
fIN | Input clock frequency | — | 30 | — | 800 49 | MHz |
fINPFD | Input clock frequency to the phase frequency detector (PFD) | — | 30 | — | 700 | MHz |
fCASC_INPFD | Input clock frequency to the PFD of destination cascade PLL | — | 30 | — | 60 | MHz |
fVCO | PLL voltage-controlled oscillator (VCO) operating range | — | 6 | — | 12.5 | GHz |
tEINDUTY | Input clock duty cycle | — | 45 | — | 55 | % |
fOUT | Output frequency for internal global or regional clock | — | — | — | 644 | MHz |
fDYCONFIGCLK | Dynamic configuration clock for reconfig_clk | — | — | — | 100 | MHz |
tLOCK | Time required to lock from end-of-device configuration or deassertion of pll_powerdown | — | — | — | 1 | ms |
tDLOCK | Time required to lock dynamically (after switchover or reconfiguring any non-post-scale counters/delays) | — | — | — | 1 | ms |
fCLBW | PLL closed-loop bandwidth | — | 0.3 | — | 4 | MHz |
tPLL_PSERR | Accuracy of PLL phase shift | — | — | — | 50 | ps |
tARESET | Minimum pulse width on the pll_powerdown signal | — | 10 | — | — | ns |
tINCCJ 50 51 | Input clock cycle-to-cycle jitter | FREF ≥ 100 MHz | — | — | 0.13 | UI (p-p) |
FREF < 100 MHz | — | — | 650 | ps (p-p) | ||
tOUTPJ 52 | Period jitter for clock output | FOUT ≥ 100 MHz | — | — | 600 | ps (p-p) |
FOUT < 100 MHz | — | — | 60 | mUI (p-p) | ||
tOUTCCJ 52 | Cycle-to-cycle jitter for clock output | FOUT ≥ 100 MHz | — | — | 600 | ps (p-p) |
FOUT < 100 MHz | — | — | 60 | mUI (p-p) | ||
dKBIT | Bit number of Delta Sigma Modulator (DSM) | — | — | 32 | — | bit |
Related Information
49 This specification is limited by the I/O maximum frequency. The maximum achievable I/O frequency is different for each I/O standard and is depends on design and system specific factors. Ensure proper timing closure in your design and perform HSPICE/IBIS simulations based on your specific design and system setup to determine the maximum achievable frequency in your system.
50 A high input jitter directly affects the PLL output jitter. To have low PLL output clock jitter, you must provide a clean clock source with jitter < 120 ps.
51 FREF is fIN/N, specification applies when N = 1.
52 External memory interface clock output jitter specifications use a different measurement method, which are available in Memory Output Clock Jitter Specification for Intel® Cyclone® 10 GX Devices table.