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Ixiasoft
Single-Ended I/O Standard Specifications
Single-Ended SSTL and HSTL I/O Reference Voltage Specifications
Single-Ended SSTL and HSTL I/O Standards Signal Specifications
Differential SSTL I/O Standard Specifications
Differential HSTL I/O Standard Specifications
Differential I/O Standard Specifications
Visible to Intel only — GUID: fzg1490681726362
Ixiasoft
Single-Ended SSTL and HSTL I/O Standards Signal Specifications
I/O Standard | VIL(DC) (V) | VIH(DC) (V) | VIL(AC) (V) | VIH(AC) (V) | VOL (V) | VOH (V) | IOL (mA) | IOH (mA) | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Min | Max | Min | Max | Min | Max | Min | Max | Max | Min | |||
SSTL-2 Class I | — | VREF – 0.18 | VREF + 0.18 | — | — | VREF – 0.35 | VREF + 0.35 | — | VTT – 0.57 | VTT + 0.57 | 8.1 | –8.1 |
SSTL-2 Class II | — | VREF – 0.18 | VREF + 0.18 | — | — | VREF – 0.35 | VREF + 0.35 | — | VTT – 0.76 | VTT + 0.76 | 16.4 | –16.4 |
SSTL-18 Class I | — | VREF – 0.125 | VREF + 0.125 | — | — | VREF – 0.25 | VREF + 0.25 | — | VTT – 0.475 | VTT + 0.475 | 6.7 | –6.7 |
SSTL-18 Class II | — | VREF – 0.125 | VREF + 0.125 | — | — | VREF – 0.25 | VREF + 0.25 | — | 0.28 | VCCIO – 0.28 | 13.4 | –13.4 |
HSTL-18 Class I | — | VREF – 0.1 | VREF + 0.1 | — | — | VREF – 0.2 | VREF + 0.2 | — | 0.4 | VCCIO – 0.4 | 8 | –8 |
HSTL-18 Class II | — | VREF – 0.1 | VREF + 0.1 | — | — | VREF – 0.2 | VREF + 0.2 | — | 0.4 | VCCIO – 0.4 | 16 | –16 |
HSTL-15 Class I | — | VREF – 0.1 | VREF + 0.1 | — | — | VREF – 0.2 | VREF + 0.2 | — | 0.4 | VCCIO – 0.4 | 8 | –8 |
HSTL-15 Class II | — | VREF – 0.1 | VREF + 0.1 | — | — | VREF – 0.2 | VREF + 0.2 | — | 0.4 | VCCIO – 0.4 | 16 | –16 |
HSTL-12 Class I | –0.15 | VREF – 0.08 | VREF + 0.08 | VCCIO + 0.15 | –0.24 | VREF – 0.15 | VREF + 0.15 | VCCIO + 0.24 | 0.25 × VCCIO | 0.75 × VCCIO | 8 | –8 |
HSTL-12 Class II | –0.15 | VREF – 0.08 | VREF + 0.08 | VCCIO + 0.15 | –0.24 | VREF – 0.15 | VREF + 0.15 | VCCIO + 0.24 | 0.25 × VCCIO | 0.75 × VCCIO | 14 | –14 |