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HC331 датащи(PDF) 11 Page - Altera Corporation |
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HC331 датащи(HTML) 11 Page - Altera Corporation |
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11 / 26 page ![]() Chapter 1: DC and Switching Characteristics of HardCopy III Devices 1–9 Electrical Characteristics © December 2008 Altera Corporation HardCopy III Device Handbook, Volume 3 Refer to Figure 1–6 in the row “Single-Ended Voltage Referenced I/O Standard” in Table 1–33 for an example of a voltage referenced receiver input waveform and explanation of terms used in Table 1–13. Table 1–13. Single-Ended SSTL and HSTL I/O Reference Voltage Specifications – Preliminary I/O Standard V CC IO (V) V REF (V) V TT (V) Min Typ Max Min Typ Max Min Typ Max SSTL-2 CLASS I, II 2.375 2.5 2.625 0.49 × V CC IO 0.5 × V CCIO 0.51 × V CC IO V REF – 0.04 V REF V REF + 0.04 SSTL-18 CLASS I, II 1.71 1.8 1.89 0.833 0.9 0.969 V REF – 0.04 V REF V REF + 0.04 SSTL-15 CLASS I, II 1.425 1.5 1.575 0.47 × V CC IO 0.5 × V CCIO 0.53 × V CC IO 0.47 × V CCIO V REF 0.53 × V CC IO HSTL-18 CLASS I, II 1.71 1.8 1.89 0.85 0.9 0.95 — V CCIO/2 — HSTL-15 CLASS I, II 1.425 1.5 1.575 0.68 0.75 0.9 — V CCIO/2 — HSTL-12 CLASS I, II 1.14 1.2 1.26 0.47 × V CC IO 0.5 × V CCIO 0.53 × V CC IO —V CCIO/2 — Table 1–14. Single-Ended SSTL and HSTL I/O Standards Signal Specifications – Preliminary (Part 1 of 2) I/O Standard V IL (D C) (V) V IH (D C) (V) V IL(A C) (V) V IH(AC ) (V) V OL (V) V OH (V) I OL (mA) I OH (mA) Min Max Min Max Max Min Max Min SSTL-2 CLASS I –0.3 V REF – 0.15 V REF + 0.15 V CC IO + 0.3 V REF – 0.31 V REF + 0.31 VTT – 0.57 VTT + 0.57 8.1 –8.1 SSTL-2 CLASS II –0.3 V REF – 0.15 V REF + 0.15 V CC IO + 0.3 V REF – 0.31 V REF + 0.31 VTT – 0.76 VTT + 0.76 16.2 –16.2 SSTL-18 CLASS I –0.3 V REF – 0.125 V REF + 0.125 V CC IO + 0.3 V REF – 0.25 V REF + 0.25 VTT – 0.475 VTT + 0.475 6.7 –6.7 SSTL-18 CLASS II –0.3 V REF – 0.125 V REF + 0.125 V CC IO + 0.3 V REF – 0.25 V REF + 0.25 0.28 V CCIO – 0.28 13.4 –13.4 SSTL-15 CLASS I –0.3 V REF – 0.1 V REF + 0.1 V CC IO + 0.3 V REF – 0.175 V REF + 0.175 0.2 × V CCIO 0.8 × V CCIO 8–8 SSTL-15 CLASS II –0.3 V REF – 0.1 V REF + 0.1 V CC IO + 0.3 V REF – 0.175 V REF + 0.175 0.2 × V CCIO 0.8 × V CCIO 16 –16 HSTL-18 CLASS I –0.3 V REF – 0.1 V REF + 0.1 V CC IO + 0.3 V REF – 0.2 V REF + 0.2 0.4 V CCIO – 0.4 8–8 HSTL-18 CLASS II –0.3 V REF – 0.1 V REF + 0.1 V CC IO + 0.3 V REF – 0.2 V REF + 0.2 0.4 V CCIO – 0.4 16 –16 HSTL-15 CLASS I –0.3 V REF – 0.1 V REF + 0.1 V CC IO + 0.3 V REF – 0.2 V REF + 0.2 0.4 V CCIO – 0.4 8–8 HSTL-15 CLASS II –0.3 V REF – 0.1 V REF + 0.1 V CC IO + 0.3 V REF – 0.2 V REF + 0.2 0.4 V CCIO – 0.4 16 –16 |
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