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A3P030 датащи(PDF) 96 Page - Microsemi Corporation |
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A3P030 датащи(HTML) 96 Page - Microsemi Corporation |
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96 / 220 page ![]() ProASIC3 DC and Switching Characteristics 2-82 Revision 13 Timing Characteristics VersaTile Specifications as a Sequential Module The ProASIC3 library offers a wide variety of sequential cells, including flip-flops and latches. Each has a data input and optional enable, clear, or preset. In this section, timing characteristics are presented for a representative sample from the library. For more details, refer to the Fusion, IGLOO/e, and ProASIC3/E Macro Library Guide. Table 2-105 • Combinatorial Cell Propagation Delays Commercial-Case Conditions: TJ = 70°C, Worst-Case VCC = 1.425 V Combinatorial Cell Equation Parameter –2 –1 Std. Units INV Y = !A tPD 0.40 0.46 0.54 ns AND2 Y = A · B tPD 0.47 0.54 0.63 ns NAND2 Y = !(A · B) tPD 0.47 0.54 0.63 ns OR2 Y = A + B tPD 0.49 0.55 0.65 ns NOR2 Y = !(A + B) tPD 0.49 0.55 0.65 ns XOR2 Y = A Bt PD 0.74 0.84 0.99 ns MAJ3 Y = MAJ(A, B, C) tPD 0.70 0.79 0.93 ns XOR3 Y = A B Ct PD 0.87 1.00 1.17 ns MUX2 Y = A !S + B S tPD 0.51 0.58 0.68 ns AND3 Y = A · B · C tPD 0.56 0.64 0.75 ns Note: For specific junction temperature and voltage supply levels, refer to Table 2-6 on page 2-6 for derating values. Figure 2-25 • Sample of Sequential Cells DQ DFN1 Data CLK Out D Q DFN1C1 Data CLK Out CLR DQ DFI1E1P1 Data CLK Out En PRE D Q DFN1E1 Data CLK Out En |
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